A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Dredging method for polluted soil located on site boundary
The invention discloses a dredging method for polluted soil located on a site boundary. The dredging method includes the following steps that S1, a building outside the site boundary is fixed; S2, theground elevation and inflection pint coordinates are measured, and a soil polluted area is confirmed; S3, a trench is vertically excavated downwards at the position, 5-10 cm close to the site boundary, of the soil polluted area, pile bodies are pressed in the trench, the multiple pile bodies are arranged at intervals, the depth, by which the bottom ends of the pile bodies are inserted in the polluted soil, is 1.5-2 m larger than the dredging depth of the polluted soil, and the top ends of the pile bodies are 0.5 m higher than the ground; and S4, soil dredging is conducted in the soil pollutedarea. By means of long piles and short piles which are arranged at intervals, the protection effect during soil dredging is enhanced, the long piles act on soil on the deeper layer and transmit acting force applied by the soil around a foundation pit, the short piles share the shallow-layer acting force of the long piles nearby, resources of shallow-layer bearing stratums are well utilized, bearing safety is improved, and the phenomenon that collapse appears in soil around a dredged foundation pit is avoided.
本发明公开一种位于场地边界的污染土壤清挖方法，包括如下步骤：S1：将场地边界外侧建筑固定；S2：测定地面高程和拐点坐标，确定土壤污染区域；S3：在土壤污染区域靠近场地边界5‑10cm处垂直向下挖掘沟槽，将桩体压入沟槽内，多个桩体间隔设置，且桩体的底端插入污染土壤深度>污染土壤的清挖深度1.5‑2m，桩体的顶端高出地面0.5m；S4：在土壤污染区域内进行土壤清挖。通过间隔设置的长桩和短桩，增强了在土壤清挖时的防护作用，长桩作用于更深层的土壤并传递基坑周围土壤施加的作用力，短桩分担其附近长桩浅层的作用力，很好的利用了浅层持力层的资源，提高了承载安全，避免了清挖基坑周边土壤出现垮塌的现象。
Dredging method for polluted soil located on site boundary
The invention discloses a dredging method for polluted soil located on a site boundary. The dredging method includes the following steps that S1, a building outside the site boundary is fixed; S2, theground elevation and inflection pint coordinates are measured, and a soil polluted area is confirmed; S3, a trench is vertically excavated downwards at the position, 5-10 cm close to the site boundary, of the soil polluted area, pile bodies are pressed in the trench, the multiple pile bodies are arranged at intervals, the depth, by which the bottom ends of the pile bodies are inserted in the polluted soil, is 1.5-2 m larger than the dredging depth of the polluted soil, and the top ends of the pile bodies are 0.5 m higher than the ground; and S4, soil dredging is conducted in the soil pollutedarea. By means of long piles and short piles which are arranged at intervals, the protection effect during soil dredging is enhanced, the long piles act on soil on the deeper layer and transmit acting force applied by the soil around a foundation pit, the short piles share the shallow-layer acting force of the long piles nearby, resources of shallow-layer bearing stratums are well utilized, bearing safety is improved, and the phenomenon that collapse appears in soil around a dredged foundation pit is avoided.
本发明公开一种位于场地边界的污染土壤清挖方法，包括如下步骤：S1：将场地边界外侧建筑固定；S2：测定地面高程和拐点坐标，确定土壤污染区域；S3：在土壤污染区域靠近场地边界5‑10cm处垂直向下挖掘沟槽，将桩体压入沟槽内，多个桩体间隔设置，且桩体的底端插入污染土壤深度>污染土壤的清挖深度1.5‑2m，桩体的顶端高出地面0.5m；S4：在土壤污染区域内进行土壤清挖。通过间隔设置的长桩和短桩，增强了在土壤清挖时的防护作用，长桩作用于更深层的土壤并传递基坑周围土壤施加的作用力，短桩分担其附近长桩浅层的作用力，很好的利用了浅层持力层的资源，提高了承载安全，避免了清挖基坑周边土壤出现垮塌的现象。
Dredging method for polluted soil located on site boundary
一种位于场地边界的污染土壤清挖方法
SHU DAIRONG (author) / HUANG ZHENYANG (author) / DENG BAOYONG (author) / WANG HUAIQING (author) / GAO ZHIFANG (author) / YAN GUANGZHAN (author)
2020-07-10
Patent
Electronic Resource
Chinese
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