Compaction grouting type depth-variable vibration isolating groove

Abstract

The invention discloses a compact grouting type depth-variable vibration isolating groove. The vibration isolating groove is characterized by comprising a groove body, and steel plate piles which arearranged in a circle around the inner wall surface of the groove body, wherein a grouting reinforcing area is formed in the peripheries of the steel plate piles; and the grouting reinforcing area is formed by combining at least two circles of compaction grouting holes and cement paste in the periphery of the compact grouting hole. The compact grouting type depth-variable vibration isolating groovehas the advantages that the depth of the vibration isolating groove changes based on the length direction, so that the workload of excavating in the engineering is reduced; a groove body supporting enclosing structure is arranged in the groove, and soil surrounding the groove body is reinforced through the compaction grouting hole, and thus the intensity and the safety of the vibration isolatinggroove are ensured; a water draining pipe is arranged and used for completely draining subsoil water surrounding the vibration isolating groove, and thus the vibration isolating effect of the vibration isolating groove is improved.

Description

technical field [0001] The invention relates to the field of anti-seismic construction of rock and soil, in particular to an anti-seismic ditch with compacted grouting and variable depth. Background technique [0002] Huge energy will be generated during dynamic compaction construction, and part of the energy will be transformed into stress waves, which are mainly realized as seismic waves. Seismic waves will spread from the tamping point to the surroundings, causing the ground to vibrate, which will cause uneven settlement of the surrounding soil, thus causing varying degrees of damage to the surrounding environment of the construction site, residents, buildings, and underground pipelines. Affect the normal life of surrounding residents. [0003] In order to reduce the adverse impact of the vibration generated by dynamic compaction on the surrounding environment and residents, a seismic isolation ditch of a certain depth and a certain width is generally set up between the ...

AI Technical Summary

Problems solved by technology

The conventional practice in engineering is to directly dig trenches and fill them with sand or just dig trenches without filling them. This type of seismic isolation trench has the following disadvantages: First, the depth of the seismic isolation trench remains constant along the length direction, but in fact the strong vibration intensity Weakness is positively correlated with the distance from the seismic source. In fact, the location far from the seismic source does not need to excavate the same trench depth as that close to the seismic source, so the same trench depth will cause unnecessary increase in engineering volume and waste of building materials; the second is The isolation ditch does not have any internal support system. Once the isolation ditch is too deep, the soil on both sides of the isolation ditch may collapse during excavation. If the isolation ditch is not deep enough, effective isolation cannot be achieved. The third is that water is easy to accumulate in the isolation ditch, and the longitudinal wave generated by the vibration can be transmitted through the liquid. The accumulation of water in the ditch will weaken or even lose the vibration isolation effect of the isolation ditch. The groundwater spreads to the surroundings, and the seismic isolation ditch in the prior art cannot isolate this part of the vibration

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