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On January 12, 2023 at 1:14:23 PM UTC, admin:
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in Reference Vibration Measurement of Mensa Bridge Hannover -
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f | 1 | { | f | 1 | { |
2 | "author": "Ralf Herrmann", | 2 | "author": "Ralf Herrmann", | ||
3 | "author_email": "ralf.herrmann@alumni-uni-hannover.de", | 3 | "author_email": "ralf.herrmann@alumni-uni-hannover.de", | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.25835/0081614", | 5 | "doi": "10.25835/0081614", | ||
6 | "doi_date_published": "2018-08-08", | 6 | "doi_date_published": "2018-08-08", | ||
7 | "doi_publisher": "LUIS", | 7 | "doi_publisher": "LUIS", | ||
8 | "doi_status": "true", | 8 | "doi_status": "true", | ||
9 | "domain": "https://data.uni-hannover.de", | 9 | "domain": "https://data.uni-hannover.de", | ||
10 | "groups": [], | 10 | "groups": [], | ||
11 | "have_copyright": "Yes", | 11 | "have_copyright": "Yes", | ||
12 | "id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | 12 | "id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | ||
13 | "isopen": false, | 13 | "isopen": false, | ||
14 | "license_id": "CC0-1.0", | 14 | "license_id": "CC0-1.0", | ||
15 | "license_title": "CC0-1.0", | 15 | "license_title": "CC0-1.0", | ||
16 | "maintainer": "Ralf Herrmann", | 16 | "maintainer": "Ralf Herrmann", | ||
17 | "maintainer_email": "ralf.herrmann@alumni-uni-hannover.de", | 17 | "maintainer_email": "ralf.herrmann@alumni-uni-hannover.de", | ||
18 | "metadata_created": "2021-10-14T10:16:04.997230", | 18 | "metadata_created": "2021-10-14T10:16:04.997230", | ||
n | 19 | "metadata_modified": "2021-10-14T10:16:04.997234", | n | 19 | "metadata_modified": "2023-01-12T13:14:23.891371", |
20 | "name": | 20 | "name": | ||
21 | "luh-reference-vibration-measurements-of-mensa-bridge-hannover", | 21 | "luh-reference-vibration-measurements-of-mensa-bridge-hannover", | ||
22 | "notes": "The Mensa bridge in Hannover, Germany is a footbridge | 22 | "notes": "The Mensa bridge in Hannover, Germany is a footbridge | ||
23 | crossing the street Schneiderberg and connects the universites' | 23 | crossing the street Schneiderberg and connects the universites' | ||
24 | canteen and the park. The dataset contains measurments of the vertical | 24 | canteen and the park. The dataset contains measurments of the vertical | ||
25 | and the horizontal accererations of the bridge deck under ambient | 25 | and the horizontal accererations of the bridge deck under ambient | ||
26 | excitation (e.g. wind and pedestrians) and impuls excitation. The | 26 | excitation (e.g. wind and pedestrians) and impuls excitation. The | ||
27 | impuls excitations have been realized using a modal hammer. The impuls | 27 | impuls excitations have been realized using a modal hammer. The impuls | ||
28 | has been applied at six diffent positions, three times in vertical | 28 | has been applied at six diffent positions, three times in vertical | ||
29 | direction (DSV) and three times in horizontal direction (DSH) near the | 29 | direction (DSV) and three times in horizontal direction (DSH) near the | ||
30 | sensor that is indicated in the filename. ", | 30 | sensor that is indicated in the filename. ", | ||
n | 31 | "num_resources": 9, | n | 31 | "num_resources": 8, |
32 | "num_tags": 5, | 32 | "num_tags": 5, | ||
33 | "organization": { | 33 | "organization": { | ||
34 | "approval_status": "approved", | 34 | "approval_status": "approved", | ||
35 | "created": "2021-10-14T10:16:04.915846", | 35 | "created": "2021-10-14T10:16:04.915846", | ||
36 | "description": "https://www.massivbau.uni-hannover.de/", | 36 | "description": "https://www.massivbau.uni-hannover.de/", | ||
37 | "id": "3116b93b-5760-4358-b87c-0516473c2046", | 37 | "id": "3116b93b-5760-4358-b87c-0516473c2046", | ||
38 | "image_url": "", | 38 | "image_url": "", | ||
39 | "is_organization": true, | 39 | "is_organization": true, | ||
40 | "name": "institut-fur-massivbau", | 40 | "name": "institut-fur-massivbau", | ||
41 | "state": "active", | 41 | "state": "active", | ||
42 | "title": "Institut f\u00fcr Massivbau ", | 42 | "title": "Institut f\u00fcr Massivbau ", | ||
43 | "type": "organization" | 43 | "type": "organization" | ||
44 | }, | 44 | }, | ||
45 | "owner_org": "3116b93b-5760-4358-b87c-0516473c2046", | 45 | "owner_org": "3116b93b-5760-4358-b87c-0516473c2046", | ||
46 | "private": false, | 46 | "private": false, | ||
47 | "relationships_as_object": [], | 47 | "relationships_as_object": [], | ||
48 | "relationships_as_subject": [], | 48 | "relationships_as_subject": [], | ||
49 | "repository_name": "Leibniz University Hannover", | 49 | "repository_name": "Leibniz University Hannover", | ||
50 | "resources": [ | 50 | "resources": [ | ||
51 | { | 51 | { | ||
52 | "cache_last_updated": null, | 52 | "cache_last_updated": null, | ||
53 | "cache_url": null, | 53 | "cache_url": null, | ||
54 | "created": "2018-08-07T08:50:50.533505", | 54 | "created": "2018-08-07T08:50:50.533505", | ||
n | 55 | "datastore_active": false, | n | ||
56 | "description": "This is the measurement data of a vibration | 55 | "description": "This is the measurement data of a vibration | ||
57 | measurement. The CSV file contains the time series measurements of | 56 | measurement. The CSV file contains the time series measurements of | ||
58 | piezoelectric accelerometers placed at different positions at the | 57 | piezoelectric accelerometers placed at different positions at the | ||
59 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | 58 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | ||
60 | vertical direction (DSV1 - DSV7). The first column in the file | 59 | vertical direction (DSV1 - DSV7). The first column in the file | ||
61 | represents the time in seconds. The sampling rate is 2000 Hz. The | 60 | represents the time in seconds. The sampling rate is 2000 Hz. The | ||
62 | accelerations are measured in meter per square second. The measurement | 61 | accelerations are measured in meter per square second. The measurement | ||
63 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 62 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
64 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 63 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
65 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 64 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
66 | horizontal and orthogonal to the bridge' longitudinal axis. The | 65 | horizontal and orthogonal to the bridge' longitudinal axis. The | ||
67 | vibration was excited by wind and pedestrians that walked on the | 66 | vibration was excited by wind and pedestrians that walked on the | ||
68 | bridge during the measurement (ambiant).\r\n", | 67 | bridge during the measurement (ambiant).\r\n", | ||
69 | "format": "CSV", | 68 | "format": "CSV", | ||
70 | "hash": "", | 69 | "hash": "", | ||
71 | "id": "4d07b634-8523-4881-9c39-399b56701951", | 70 | "id": "4d07b634-8523-4881-9c39-399b56701951", | ||
72 | "last_modified": "2018-08-07T08:50:50.466270", | 71 | "last_modified": "2018-08-07T08:50:50.466270", | ||
n | 73 | "metadata_modified": "2021-10-14T10:16:04.970033", | n | 72 | "metadata_modified": "2023-01-12T13:14:23.895035", |
74 | "mimetype": "text/csv", | 73 | "mimetype": "text/csv", | ||
75 | "mimetype_inner": null, | 74 | "mimetype_inner": null, | ||
76 | "name": "20180424_Ambient.csv", | 75 | "name": "20180424_Ambient.csv", | ||
77 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | 76 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | ||
78 | "position": 0, | 77 | "position": 0, | ||
79 | "resource_type": null, | 78 | "resource_type": null, | ||
n | 80 | "revision_id": "2dcc5c67-3b33-45b9-88af-7a29e975f341", | n | ||
81 | "size": 87515823, | 79 | "size": 87515823, | ||
82 | "state": "active", | 80 | "state": "active", | ||
83 | "url": | 81 | "url": | ||
84 | e/4d07b634-8523-4881-9c39-399b56701951/download/20180424_ambient.csv", | 82 | e/4d07b634-8523-4881-9c39-399b56701951/download/20180424_ambient.csv", | ||
85 | "url_type": "" | 83 | "url_type": "" | ||
86 | }, | 84 | }, | ||
87 | { | 85 | { | ||
88 | "cache_last_updated": null, | 86 | "cache_last_updated": null, | ||
89 | "cache_url": null, | 87 | "cache_url": null, | ||
90 | "created": "2018-08-07T08:51:39.429481", | 88 | "created": "2018-08-07T08:51:39.429481", | ||
n | 91 | "datastore_active": false, | n | ||
92 | "description": "Leibniz University Hannover, Germany, Institute | 89 | "description": "Leibniz University Hannover, Germany, Institute | ||
93 | of Concrete Constructions\r\n\r\nThis is the measurement data of a | 90 | of Concrete Constructions\r\n\r\nThis is the measurement data of a | ||
94 | vibration measurement. The CSV file contains the time series | 91 | vibration measurement. The CSV file contains the time series | ||
95 | measurements of piezoelectric accelerometers placed at different | 92 | measurements of piezoelectric accelerometers placed at different | ||
96 | positions at the bridge deck in horizontal directions (DSH1, DSH2 and | 93 | positions at the bridge deck in horizontal directions (DSH1, DSH2 and | ||
97 | DSH3) and vertical direction (DSV1 - DSV7). The first column in the | 94 | DSH3) and vertical direction (DSV1 - DSV7). The first column in the | ||
98 | file represents the time in seconds. The sampling rate is 2000 Hz. The | 95 | file represents the time in seconds. The sampling rate is 2000 Hz. The | ||
99 | accelerations are measured in meter per square second. The measurement | 96 | accelerations are measured in meter per square second. The measurement | ||
100 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 97 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
101 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 98 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
102 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 99 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
103 | horizontal and orthogonal to the bridge' longitudinal axis.The | 100 | horizontal and orthogonal to the bridge' longitudinal axis.The | ||
104 | vibration was excited by a modal hammer near the sensor position DSH1. | 101 | vibration was excited by a modal hammer near the sensor position DSH1. | ||
105 | The bridge has been excited five times by a horizontal hit.\r\n", | 102 | The bridge has been excited five times by a horizontal hit.\r\n", | ||
106 | "format": "CSV", | 103 | "format": "CSV", | ||
107 | "hash": "", | 104 | "hash": "", | ||
108 | "id": "e9737f59-6cad-4b4c-a4b2-0f1cfaf4572a", | 105 | "id": "e9737f59-6cad-4b4c-a4b2-0f1cfaf4572a", | ||
109 | "last_modified": "2018-08-07T08:51:39.360278", | 106 | "last_modified": "2018-08-07T08:51:39.360278", | ||
n | 110 | "metadata_modified": "2021-10-14T10:16:04.979684", | n | 107 | "metadata_modified": "2023-01-12T13:14:23.895165", |
111 | "mimetype": "text/csv", | 108 | "mimetype": "text/csv", | ||
112 | "mimetype_inner": null, | 109 | "mimetype_inner": null, | ||
113 | "name": "20180424_Impuls_Pos_DSH1.csv", | 110 | "name": "20180424_Impuls_Pos_DSH1.csv", | ||
114 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | 111 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | ||
115 | "position": 1, | 112 | "position": 1, | ||
116 | "resource_type": null, | 113 | "resource_type": null, | ||
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118 | "size": 86511044, | 114 | "size": 86511044, | ||
119 | "state": "active", | 115 | "state": "active", | ||
120 | "url": | 116 | "url": | ||
121 | 59-6cad-4b4c-a4b2-0f1cfaf4572a/download/20180424_impuls_pos_dsh1.csv", | 117 | 59-6cad-4b4c-a4b2-0f1cfaf4572a/download/20180424_impuls_pos_dsh1.csv", | ||
122 | "url_type": "" | 118 | "url_type": "" | ||
123 | }, | 119 | }, | ||
124 | { | 120 | { | ||
125 | "cache_last_updated": null, | 121 | "cache_last_updated": null, | ||
126 | "cache_url": null, | 122 | "cache_url": null, | ||
127 | "created": "2018-08-07T08:52:58.769924", | 123 | "created": "2018-08-07T08:52:58.769924", | ||
n | 128 | "datastore_active": false, | n | ||
129 | "description": "This is the measurement data of a vibration | 124 | "description": "This is the measurement data of a vibration | ||
130 | measurement. The CSV file contains the time series measurements of | 125 | measurement. The CSV file contains the time series measurements of | ||
131 | piezoelectric accelerometers placed at different positions at the | 126 | piezoelectric accelerometers placed at different positions at the | ||
132 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | 127 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | ||
133 | vertical direction (DSV1 - DSV7). The first column in the file | 128 | vertical direction (DSV1 - DSV7). The first column in the file | ||
134 | represents the time in seconds. The sampling rate is 2000 Hz. The | 129 | represents the time in seconds. The sampling rate is 2000 Hz. The | ||
135 | accelerations are measured in meter per square second. The measurement | 130 | accelerations are measured in meter per square second. The measurement | ||
136 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 131 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
137 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 132 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
138 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 133 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
139 | horizontal and orthogonal to the bridge' longitudinal axis.The | 134 | horizontal and orthogonal to the bridge' longitudinal axis.The | ||
140 | vibration was excited by a modal hammer near the sensor position DSH2. | 135 | vibration was excited by a modal hammer near the sensor position DSH2. | ||
141 | The bridge has been excited five times by a horizontal hit.\r\n", | 136 | The bridge has been excited five times by a horizontal hit.\r\n", | ||
142 | "format": "CSV", | 137 | "format": "CSV", | ||
143 | "hash": "", | 138 | "hash": "", | ||
144 | "id": "e2c28f95-8986-4ee8-9799-a0b5c83843a2", | 139 | "id": "e2c28f95-8986-4ee8-9799-a0b5c83843a2", | ||
145 | "last_modified": "2018-08-07T08:52:58.698043", | 140 | "last_modified": "2018-08-07T08:52:58.698043", | ||
n | 146 | "metadata_modified": "2021-10-14T10:16:04.980925", | n | 141 | "metadata_modified": "2023-01-12T13:14:23.895273", |
147 | "mimetype": "text/csv", | 142 | "mimetype": "text/csv", | ||
148 | "mimetype_inner": null, | 143 | "mimetype_inner": null, | ||
149 | "name": "20180424_Impuls_Pos_DSH2.csv", | 144 | "name": "20180424_Impuls_Pos_DSH2.csv", | ||
150 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | 145 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | ||
151 | "position": 2, | 146 | "position": 2, | ||
152 | "resource_type": null, | 147 | "resource_type": null, | ||
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154 | "size": 83531933, | 148 | "size": 83531933, | ||
155 | "state": "active", | 149 | "state": "active", | ||
156 | "url": | 150 | "url": | ||
157 | 95-8986-4ee8-9799-a0b5c83843a2/download/20180424_impuls_pos_dsh2.csv", | 151 | 95-8986-4ee8-9799-a0b5c83843a2/download/20180424_impuls_pos_dsh2.csv", | ||
158 | "url_type": "" | 152 | "url_type": "" | ||
159 | }, | 153 | }, | ||
160 | { | 154 | { | ||
161 | "cache_last_updated": null, | 155 | "cache_last_updated": null, | ||
162 | "cache_url": null, | 156 | "cache_url": null, | ||
163 | "created": "2018-08-07T08:53:49.610438", | 157 | "created": "2018-08-07T08:53:49.610438", | ||
n | 164 | "datastore_active": false, | n | ||
165 | "description": "This is the measurement data of a vibration | 158 | "description": "This is the measurement data of a vibration | ||
166 | measurement. The CSV file contains the time series measurements of | 159 | measurement. The CSV file contains the time series measurements of | ||
167 | piezoelectric accelerometers placed at different positions at the | 160 | piezoelectric accelerometers placed at different positions at the | ||
168 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | 161 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | ||
169 | vertical direction (DSV1 - DSV7). The first column in the file | 162 | vertical direction (DSV1 - DSV7). The first column in the file | ||
170 | represents the time in seconds. The sampling rate is 2000 Hz. The | 163 | represents the time in seconds. The sampling rate is 2000 Hz. The | ||
171 | accelerations are measured in meter per square second. The measurement | 164 | accelerations are measured in meter per square second. The measurement | ||
172 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 165 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
173 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 166 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
174 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 167 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
175 | horizontal and orthogonal to the bridge' longitudinal axis. The | 168 | horizontal and orthogonal to the bridge' longitudinal axis. The | ||
176 | vibration was excited by a modal hammer near the sensor position DSH3. | 169 | vibration was excited by a modal hammer near the sensor position DSH3. | ||
177 | The bridge has been excited five times by a horizontal hit.\r\n", | 170 | The bridge has been excited five times by a horizontal hit.\r\n", | ||
178 | "format": "CSV", | 171 | "format": "CSV", | ||
179 | "hash": "", | 172 | "hash": "", | ||
180 | "id": "dc110b2a-7817-4e91-9651-547062da6f89", | 173 | "id": "dc110b2a-7817-4e91-9651-547062da6f89", | ||
181 | "last_modified": "2018-08-07T08:53:49.535719", | 174 | "last_modified": "2018-08-07T08:53:49.535719", | ||
n | 182 | "metadata_modified": "2021-10-14T10:16:04.982132", | n | 175 | "metadata_modified": "2023-01-12T13:14:23.895377", |
183 | "mimetype": "text/csv", | 176 | "mimetype": "text/csv", | ||
184 | "mimetype_inner": null, | 177 | "mimetype_inner": null, | ||
185 | "name": "20180424_Impuls_Pos_DSH3.csv", | 178 | "name": "20180424_Impuls_Pos_DSH3.csv", | ||
186 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | 179 | "package_id": "589aa2ed-8790-4c36-b620-7f33796a47d5", | ||
187 | "position": 3, | 180 | "position": 3, | ||
188 | "resource_type": null, | 181 | "resource_type": null, | ||
n | 189 | "revision_id": "a7dca060-5037-4893-a2c5-a7e33401b727", | n | ||
190 | "size": 85310893, | 182 | "size": 85310893, | ||
191 | "state": "active", | 183 | "state": "active", | ||
192 | "url": | 184 | "url": | ||
193 | 2a-7817-4e91-9651-547062da6f89/download/20180424_impuls_pos_dsh3.csv", | 185 | 2a-7817-4e91-9651-547062da6f89/download/20180424_impuls_pos_dsh3.csv", | ||
194 | "url_type": "" | 186 | "url_type": "" | ||
195 | }, | 187 | }, | ||
196 | { | 188 | { | ||
197 | "cache_last_updated": null, | 189 | "cache_last_updated": null, | ||
198 | "cache_url": null, | 190 | "cache_url": null, | ||
199 | "created": "2018-08-07T08:54:41.665097", | 191 | "created": "2018-08-07T08:54:41.665097", | ||
n | 200 | "datastore_active": false, | n | ||
201 | "description": "This is the measurement data of a vibration | 192 | "description": "This is the measurement data of a vibration | ||
202 | measurement. The CSV file contains the time series measurements of | 193 | measurement. The CSV file contains the time series measurements of | ||
203 | piezoelectric accelerometers placed at different positions at the | 194 | piezoelectric accelerometers placed at different positions at the | ||
204 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | 195 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | ||
205 | vertical direction (DSV1 - DSV7). The first column in the file | 196 | vertical direction (DSV1 - DSV7). The first column in the file | ||
206 | represents the time in seconds. The sampling rate is 2000 Hz. The | 197 | represents the time in seconds. The sampling rate is 2000 Hz. The | ||
207 | accelerations are measured in meter per square second. The measurement | 198 | accelerations are measured in meter per square second. The measurement | ||
208 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 199 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
209 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 200 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
210 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 201 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
211 | horizontal and orthogonal to the bridge' longitudinal axis. The | 202 | horizontal and orthogonal to the bridge' longitudinal axis. The | ||
212 | vibration was excited by a modal hammer near the sensor position DSV1. | 203 | vibration was excited by a modal hammer near the sensor position DSV1. | ||
213 | The bridge has been excited five times by a vertical hit.\r\n", | 204 | The bridge has been excited five times by a vertical hit.\r\n", | ||
214 | "format": "CSV", | 205 | "format": "CSV", | ||
215 | "hash": "", | 206 | "hash": "", | ||
216 | "id": "ac8a361e-0882-4ab5-814c-f45c0dce3278", | 207 | "id": "ac8a361e-0882-4ab5-814c-f45c0dce3278", | ||
217 | "last_modified": "2018-08-07T08:54:41.581819", | 208 | "last_modified": "2018-08-07T08:54:41.581819", | ||
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238 | measurement. The CSV file contains the time series measurements of | 227 | measurement. The CSV file contains the time series measurements of | ||
239 | piezoelectric accelerometers placed at different positions at the | 228 | piezoelectric accelerometers placed at different positions at the | ||
240 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | 229 | bridge deck in horizontal directions (DSH1, DSH2 and DSH3) and | ||
241 | vertical direction (DSV1 - DSV7). The first column in the file | 230 | vertical direction (DSV1 - DSV7). The first column in the file | ||
242 | represents the time in seconds. The sampling rate is 2000 Hz. The | 231 | represents the time in seconds. The sampling rate is 2000 Hz. The | ||
243 | accelerations are measured in meter per square second. The measurement | 232 | accelerations are measured in meter per square second. The measurement | ||
244 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | 233 | directions are for accelerometer DSV1 to DSV5 in Z direction vertical | ||
245 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | 234 | to the ground, DSV6 and DSV6 are in -Z direction vertical to the top. | ||
246 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | 235 | For sensors DSH1 to DSH3 the measurement direction is in Y direction | ||
247 | horizontal and orthogonal to the bridge' longitudinal axis. The | 236 | horizontal and orthogonal to the bridge' longitudinal axis. The | ||
248 | vibration was excited by a modal hammer near the sensor position DSV3. | 237 | vibration was excited by a modal hammer near the sensor position DSV3. | ||
249 | The bridge has been excited five times by a vertical hit.\r\n", | 238 | The bridge has been excited five times by a vertical hit.\r\n", | ||
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283 | horizontal and orthogonal to the bridge' longitudinal axis. The | 270 | horizontal and orthogonal to the bridge' longitudinal axis. The | ||
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