A method for monitoring and early warning of soil subsidence in composite strata during pipe jacking construction and an observation rod
A composite stratum and subsidence monitoring technology, which is applied in earthwork drilling, measuring devices, surveying and navigation, etc., can solve the problems of large boreholes, difficulty in controlling the detection mechanism, and the downward movement of the detection mechanism, so as to reduce difficulty and improve accuracy Degree, increase the scientific effect
Active Publication Date: 2020-11-24
CHINA MCC17 GRP
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[0007] Aiming at the deficiencies of the prior art, the present invention provides a method for monitoring and early warning of soil subsidence in composite strata for pipe jacking construction and an observation rod, which solves the problem that it is difficult to control the position of the detection mechanism well during the actual operation process. During the process, it is prone to the problem that the detection mechanism moves downward under the influence of gravity due to large boreholes or loose soil layers.
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] see Figure 1-3 , the present invention provides a technical solution: a method for monitoring and early warning of soil settlement in composite strata during pipe jacking construction, comprising the following steps:
[0030] S1. Stratum drilling: drilling holes in each stratum to be detected (the horizontal distance between the holes drilled in each stratum is not greater than 10 cm).
[0031] S2. Drive in the observation rod: drive the observation r...
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The invention discloses a monitoring and early warning method of pipe-jacking construction compound stratum soil settlement and observation poles, and relates to the technical field of pipe-jacking construction. The monitoring and early warning method of the pipe-jacking construction compound stratum soil settlement comprises the following steps: stratum drilling: drilling on every to-be-detectedstratum; observation pole driving: driving the observation poles into holes drilled in first step, and making sure every hole is inserted with one observation pole; and location signal receiver installing: installing a locating signal receiver adaptive with a locating signal sent by the observation poles on a pipe-jacking general control device. According to the monitoring and early warning methodof pipe-jacking construction compound stratum soil settlement and the observation poles, by improving hard poles and limiting devices, the positions of the hard poles can be well controlled, downwardmovement of a detection mechanism under the influence of gravity due to relatively-large drill holes or loose soil layers is avoided, detection accuracy is improved, monitoring scientificity is improved, monitoring difficulty is lowered, and convenient use by users is realized.
Description
technical field [0001] The invention relates to the technical field of pipe jacking construction, in particular to a method for monitoring and early warning of soil subsidence in composite strata during pipe jacking construction and an observation rod. Background technique [0002] Pipe jacking construction has the advantages of no need for excavation, saving land, little impact on the surrounding environment, short construction period, and good economic benefits. However, the soil settlement caused by pipe jacking construction is generally monitored by humans, which is a kind of breakpoint monitoring. , cannot monitor well in real time, and cannot predict soil settlement well. For compound strata, the settlement and damage caused by different soil properties are not the same. Therefore, accurate monitoring of soil settlement in compound strata can predict danger and take corresponding measures. Measures are very important. [0003] The invention of the existing application...
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IPC IPC(8): E21F17/18G01C5/00
Inventor 路希鑫王申杰钱浩汝刚方义军孙亚辉
Owner CHINA MCC17 GRP