Ftdm-4f Laser tunnel profiler A new type of tunnel cross section instrument Item NO.: 1945377

1、 Instrument overview

China is a mountainous country, 75% of the land is mountainous or heavy hills. In order to shorten the mileage, protect the environment and save land, we pay special attention to the tunnel scheme in the construction of mountain infrastructure. Excavation is the key process of tunnel construction period and cost. Over excavation not only increases the project cost due to the increase of slag and lining, but also directly affects the stability of surrounding rock due to the stress concentration caused by local over excavation. Under excavation will directly affect the lining thickness, which will cause hidden danger to the engineering quality and safety. Various data show that overbreak and underbreak control has an important impact on the reliability and economic benefits of tunnel structure,

The laser tunnel section detector adopts the non cooperative target laser ranging technology and precision angle measurement technology, combines the polar coordinate measurement method with computer technology, and cooperates with the professional graphics processing software. It can quickly obtain the inner contour curve of the tunnel closed space, display the overbreak and underbreak value in real time, and measure the convergence situation and the excavation earthwork. It has the function of indicating the blast hole, Without post-processing, it can produce test results and reports quickly. It is a practical engineering measurement tool.

2、 Scope of application

1. Rapid detection of tunnel excavation section

2. Internal contour detection of large span buildings

3. Acceptance inspection of slope protection retaining wall

4. Monitoring of dam bottom and ditch excavation section

5. Bridge static deflection detection

6. Mine clearance detection

7. Construction inspection, completion acceptance inspection and excavation volume inspection

3、 Instrument features

1. Real high-speed detection, without post-processing, can directly output the report

2. High precision angle control ensures the accuracy of measurement results

3. Real mass storage to meet unlimited use

4. Integrated design, compact and light, easy to operate

5. Using the special controller, the display result is visual