A kind of high temperature reinforcement soft soil method
A soft soil and high temperature technology, applied in the field of soft soil reinforcement, can solve the problems of fast attenuation, limited influence of high temperature, restricting high temperature reinforcement of soft soil, etc., and achieve the effect of improving soil strength
Active Publication Date: 2022-05-17
浙江中正岩土技术有限公司 +2
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Problems solved by technology
Although high temperature reinforcement has the characteristics of no pollution and high efficiency, the high temperature attenuates quickly along the radius of the heating body, resulting in a limited range of high temperature influence, which has become a bottleneck restricting the development of high temperature reinforcement soft soil technology
Method used
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Embodiment Construction
[0024] Embodiments of the application will be further described below in conjunction with the accompanying drawings:
[0025] like figure 1 Shown, a kind of method of high-temperature reinforcement soft soil of the present invention comprises the following steps, according to the basic principle of " reinforcement ", " drainage " joint strengthening, concrete steps are:
[0026] a. Delineate the target area 1 at any position in the area to be reinforced, then arrange multiple drill holes 3 at equal intervals on the circumference 2 of the target area 1 and number them, and then arrange another drill hole 3 at the center of the target area 1; The circle diameter of borehole 3 is ≤ Φ50m, the diameter of borehole ≤ Φ1m, the layout interval of borehole 3 on circumference 2 is 60°, and the depth of borehole 3 is equal to the buried depth of soft soil;
[0027] b Lower the alumina ceramic tube 4 with the heating element 5 bound on the surface at the same time in all the drilled hole...
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Abstract
The invention discloses a method for strengthening soft soil at high temperature, which is suitable for strengthening soft soil foundations. Firstly, set the target area in the area, arrange drill holes on the circumference of the target area and the center of the circle, put down the alumina ceramic tube with holes in the drill hole, and lay the heating element on the outer surface of the ceramic tube; then carry out high-temperature sintering of odd-numbered drill holes , Simultaneously exhaust the even-numbered holes and the center holes of the circumference; finally carry out high-temperature sintering of the even-numbered holes and the center holes. Due to the combination of high-temperature gasification air pressure and adjacent borehole suction, the accelerated drainage and consolidation of soft soil can be realized. At the same time, the high-temperature sintered body also acts as a vertical reinforcement body to achieve the dual functions of reinforcement and consolidation.
Description
technical field [0001] The invention relates to a method for reinforcing soft soil, in particular to a method for reinforcing soft soil at high temperature which is suitable for reinforcing weak soil foundations. Background technique [0002] The high-temperature sintering method is the embodiment of the wisdom of the predecessors and has a long history. As early as the early 1960s, my country carried out the engineering practice of collapsible loess high-temperature reinforcement, and formed supporting equipment and technological processes. Early heating materials mostly used firewood, liquefied natural gas, etc., which easily caused environmental pollution. With the emergence of electric heating technology, this problem has been effectively solved. Since 2016, Professor Yi Nangai of Dalian University of Technology put forward the idea of high temperature reinforcement of soft soil, and conducted a lot of research based on theoretical analysis, indoor experiments and num...
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IPC IPC(8): E02D3/11
CPCE02D3/11
Inventor 周旭东赵晓东朱锋盼
Owner 浙江中正岩土技术有限公司