Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a construction method of a high-liquid-limit soil roadbed. The construction method comprises the steps that firstly, the side boundary of an excavation section is measured anddrawn; then an intercepting ditch is manufactured at the position 3-10m away from the periphery of the side boundary, and rainwater is prevented from flowing into or permeating into the excavation section; then a plurality of holes are drilled in the excavation section, the holes are filled with quick lime, and sealing is conducted after filling is completed so as to absorb moisture of high-liquid-limit soil in the excavation section; then the surface of the excavation section is covered in a closed mode, and the quick lime fully absorbs water after 5-10 days; and finally, the soil of the excavation section is excavated and transported to a filling section of the roadbed, and the roadbed is filled in a layered mode. According to the construction method, the high-liquid-limit soil is improved before being excavated and transported, the water content is reduced, compaction can be directly carried out during subsequent filling operation, the construction period is shortened, and the construction efficiency is improved.
本发明公开了一种高液限土路基施工方法，首先测量并绘出挖方段的边线；之后在所述边线外围3m～10m处制作截水沟，防止雨水流入或渗入所述挖方段内；然后在所述挖方段上钻探若干个孔洞，并向所述孔洞内填充生石灰，填充完毕后进行封口，以吸收所述挖方段中高液限土的水分；之后对所述挖方段的表面进行密闭式遮盖，再等待5～10天使所述生石灰充分吸收水分；最后将所述挖方段的土壤挖运至路基的填方段，并分层填筑路基。该施工方法在对高液限土进行挖掘运输之前已将其进行改良，降低了含水率，在后续填筑作业时可直接进行压实，缩短了施工周期，提高了施工效率。
The invention discloses a construction method of a high-liquid-limit soil roadbed. The construction method comprises the steps that firstly, the side boundary of an excavation section is measured anddrawn; then an intercepting ditch is manufactured at the position 3-10m away from the periphery of the side boundary, and rainwater is prevented from flowing into or permeating into the excavation section; then a plurality of holes are drilled in the excavation section, the holes are filled with quick lime, and sealing is conducted after filling is completed so as to absorb moisture of high-liquid-limit soil in the excavation section; then the surface of the excavation section is covered in a closed mode, and the quick lime fully absorbs water after 5-10 days; and finally, the soil of the excavation section is excavated and transported to a filling section of the roadbed, and the roadbed is filled in a layered mode. According to the construction method, the high-liquid-limit soil is improved before being excavated and transported, the water content is reduced, compaction can be directly carried out during subsequent filling operation, the construction period is shortened, and the construction efficiency is improved.
本发明公开了一种高液限土路基施工方法，首先测量并绘出挖方段的边线；之后在所述边线外围3m～10m处制作截水沟，防止雨水流入或渗入所述挖方段内；然后在所述挖方段上钻探若干个孔洞，并向所述孔洞内填充生石灰，填充完毕后进行封口，以吸收所述挖方段中高液限土的水分；之后对所述挖方段的表面进行密闭式遮盖，再等待5～10天使所述生石灰充分吸收水分；最后将所述挖方段的土壤挖运至路基的填方段，并分层填筑路基。该施工方法在对高液限土进行挖掘运输之前已将其进行改良，降低了含水率，在后续填筑作业时可直接进行压实，缩短了施工周期，提高了施工效率。
Construction method of high-liquid-limit soil filling roadbed
一种高液限土填筑路基的施工方法
LIU SIMOU (Autor:in)
10.04.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
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CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
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