Bridge survey method

Abstract

The invention discloses a bridge survey method. The method comprises the following steps of (1) acquiring three-dimensional ground and geological data; (2) establishing DEM and DOM by using remote sensing, aerial survey, satellite images and airborne laser radar system data; (3) generating three-dimensional geological data by using a drilling machine and a geological survey report; (4) generatinga three-dimensional bridge solid model according to the route parameters and the bridge model parameters; (5) forming a bridge global three-dimensional entity curved surface model; (6) carrying out bridge structure physical mechanics analysis; (7) carrying out risk and stability prediction; and (8) generating a three-dimensional steel bar graph of the bridge structure by the bridge global three-dimensional entity curved surface model, wherein the drilling machine in the (3) comprises a carrying platform, an operating platform, a lifting arm, a drilling assembly, a drilling mechanism, a specimen collecting device, a vibrating device, a supporting sliding wing mechanism and a gas driving mechanism; the supporting sliding wing mechanism can settle by utilizing buoyancy, so that energy is saved; and the specimen collecting device 4 does not need repeated lifting.

Description

technical field [0001] The invention belongs to the technical field of bridge survey, in particular to a bridge survey method. Background technique [0002] The existing bridge survey methods include collecting and analyzing relevant design data in the bridge alignment area through surveying, selecting several possible alignment schemes on the topographic map, and reflecting the vertical and horizontal section data of different pile numbers of the bridge according to the alignment scheme. Go to the two-dimensional view, combine with the geological drilling column diagram or geological section diagram to carry out design and on-site survey, and repeatedly compare and determine the economical and reasonable horizontal and vertical alignment and bridge scheme. This bridge survey method is time-consuming and laborious, and depends largely on the actual experience and technical level of the line selection personnel, and is not suitable for projects with relatively tight construct...

AI Technical Summary

Problems solved by technology

This bridge survey method is time-consuming and laborious, and depends largely on the actual experience and technical level of the line selection personnel, and is not suitable for projects with relatively tight construction schedules and high requirements.

In particular, the two-dimensional method for line selection and position selection cannot be coordinated with the actual terrain and route landscape, nor can it be closely combined with actual conditions such as geological conditions. The accuracy of the map is not high and the effect is not good; at the same time

The drilling machine used in the bridge survey is relatively heavy, and it takes a lot of energy to go in and out of the water, and the hollow casing type is widely used. After the collection is full, it is pulled up from the water to collect the geological samples, and then re-launched to drill. When it is large, it often takes more than ten times to go back and forth, which is time-consuming and labor-intensive, and the large size of the specimen makes it difficult to transport and store

Images