Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gravel pile and construction method thereof
The invention relates to the technical field of frozen soil composite foundation treatment, in particular to a gravel pile and a construction method thereof, and the gravel pile comprises a pile body, a gravel section and a curing agent filling section. The bottom of the pile body goes deep into a permafrost layer, and the pile body comprises a gravel section and a curing agent filling section. The gravel section is located on the upper portion of the pile body and filled with gravel. The curing agent filling section is located below the gravel section, the top elevation of the curing agent filling section is higher than the upper limit preset distance of the permafrost layer, and the curing agent filling section is filled with gravel and a curing agent. The curing agent filling section can be used as a water-resisting layer while improving the strength of the bottom pile body, so that melting water of the upper seasonal frozen soil layer is prevented from directly penetrating through the freezing frontal surface of the permafrost layer, the possibility that the upper limit of the permafrost layer moves downwards is reduced, and then the risk that the bearing capacity of the pile end is unstable is reduced.
本发明涉及冻土复合地基处治技术领域，具体涉及一种碎石桩及其施工方法，所述碎石桩包括桩身、碎石段和固化剂填充段。桩身的底部深入多年冻土层中，桩身包含碎石段和固化剂填充段。碎石段位于桩身的上部，碎石段内填充有碎石。固化剂填充段位于碎石段的下方，固化剂填充段的顶标高高出多年冻土层上限预定距离，固化剂填充段内填充有碎石和固化剂。通过固化剂填充段在提高底部桩身强度的同时能作为隔水层，防止上部的季节性冻土层的融化水与多年冻土层的冻结锋面直接贯穿，减少了多年冻土层上限下移的可能性，进而减小了桩端承载力失稳的风险。
Gravel pile and construction method thereof
The invention relates to the technical field of frozen soil composite foundation treatment, in particular to a gravel pile and a construction method thereof, and the gravel pile comprises a pile body, a gravel section and a curing agent filling section. The bottom of the pile body goes deep into a permafrost layer, and the pile body comprises a gravel section and a curing agent filling section. The gravel section is located on the upper portion of the pile body and filled with gravel. The curing agent filling section is located below the gravel section, the top elevation of the curing agent filling section is higher than the upper limit preset distance of the permafrost layer, and the curing agent filling section is filled with gravel and a curing agent. The curing agent filling section can be used as a water-resisting layer while improving the strength of the bottom pile body, so that melting water of the upper seasonal frozen soil layer is prevented from directly penetrating through the freezing frontal surface of the permafrost layer, the possibility that the upper limit of the permafrost layer moves downwards is reduced, and then the risk that the bearing capacity of the pile end is unstable is reduced.
本发明涉及冻土复合地基处治技术领域，具体涉及一种碎石桩及其施工方法，所述碎石桩包括桩身、碎石段和固化剂填充段。桩身的底部深入多年冻土层中，桩身包含碎石段和固化剂填充段。碎石段位于桩身的上部，碎石段内填充有碎石。固化剂填充段位于碎石段的下方，固化剂填充段的顶标高高出多年冻土层上限预定距离，固化剂填充段内填充有碎石和固化剂。通过固化剂填充段在提高底部桩身强度的同时能作为隔水层，防止上部的季节性冻土层的融化水与多年冻土层的冻结锋面直接贯穿，减少了多年冻土层上限下移的可能性，进而减小了桩端承载力失稳的风险。
Gravel pile and construction method thereof
一种碎石桩及其施工方法
ZHANG CHAO (Autor:in) / SU WEIWEI (Autor:in) / LIU JUNYONG (Autor:in) / YIN LIHUA (Autor:in) / GAI WEIPENG (Autor:in) / GAO XUAN (Autor:in) / YE YAQING (Autor:in)
19.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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