Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pile bottom post-grouting process for strongly weathered granite layer
The invention relates to a post-grouting process for a pile bottom of a strongly-weathered granite layer, the post-grouting process for the pile bottom of the strongly-weathered granite layer adopts a twice grouting mode to reinforce the strongly-weathered granite layer where the pile bottom is located, primary grouting is used for consolidating and reinforcing broken or extremely-broken strongly-weathered granite rock mass, and secondary grouting is used for consolidating and reinforcing the broken or extremely-broken strongly-weathered granite rock mass. After the slurry of the primary grouting is solidified and shrunk, secondary grouting is carried out, the pile bottom and soil in a certain range on the upper pile side are reinforced, the grouting effectiveness is ensured, and the comprehensive bearing capacity that a bearing layer of the pile bottom of the cast-in-place pile is a strongly-weathered granite layer is enhanced, so that the pile bottom of the whole pile is located on the strongly-weathered granite layer, the length of the cast-in-place pile is greatly shortened, and the cost is reduced. And the construction time and the construction cost are reduced.
本发明涉及一种强风化花岗岩层的桩底后注浆工艺，这种强风化花岗岩层的桩底后注浆工艺采用两次注浆的方式对桩底所在的强风化花岗岩层进行加固，一次注浆用于对破碎或极破碎的强风化花岗岩岩体进行固结加固，待一次注浆的浆液凝固、收缩后，再进行二次注浆，对桩底及其上桩侧一定范围土体进行加固，确保注浆有效性，强化灌注桩桩底持力层为强风化花岗岩层的综合承载能力，从而使整条桩的桩底处在强风化花岗岩层，大大缩短灌注桩长度，进而降低施工时间和工程造价。
Pile bottom post-grouting process for strongly weathered granite layer
The invention relates to a post-grouting process for a pile bottom of a strongly-weathered granite layer, the post-grouting process for the pile bottom of the strongly-weathered granite layer adopts a twice grouting mode to reinforce the strongly-weathered granite layer where the pile bottom is located, primary grouting is used for consolidating and reinforcing broken or extremely-broken strongly-weathered granite rock mass, and secondary grouting is used for consolidating and reinforcing the broken or extremely-broken strongly-weathered granite rock mass. After the slurry of the primary grouting is solidified and shrunk, secondary grouting is carried out, the pile bottom and soil in a certain range on the upper pile side are reinforced, the grouting effectiveness is ensured, and the comprehensive bearing capacity that a bearing layer of the pile bottom of the cast-in-place pile is a strongly-weathered granite layer is enhanced, so that the pile bottom of the whole pile is located on the strongly-weathered granite layer, the length of the cast-in-place pile is greatly shortened, and the cost is reduced. And the construction time and the construction cost are reduced.
本发明涉及一种强风化花岗岩层的桩底后注浆工艺，这种强风化花岗岩层的桩底后注浆工艺采用两次注浆的方式对桩底所在的强风化花岗岩层进行加固，一次注浆用于对破碎或极破碎的强风化花岗岩岩体进行固结加固，待一次注浆的浆液凝固、收缩后，再进行二次注浆，对桩底及其上桩侧一定范围土体进行加固，确保注浆有效性，强化灌注桩桩底持力层为强风化花岗岩层的综合承载能力，从而使整条桩的桩底处在强风化花岗岩层，大大缩短灌注桩长度，进而降低施工时间和工程造价。
Pile bottom post-grouting process for strongly weathered granite layer
一种强风化花岗岩层的桩底后注浆工艺
TANG ZHIYANG (Autor:in) / GUO JIANWEI (Autor:in) / ZHANG XIAOLIN (Autor:in) / CHEN WEILIN (Autor:in) / ZENG PEIPAN (Autor:in) / HUANG PEIBIAO (Autor:in) / CHEN TUOBIN (Autor:in) / XU XIAOHANG (Autor:in) / TANG JIALAN (Autor:in) / GUO YICHONG (Autor:in)
16.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
Grouting Effect on Reinforcement of Weathered Granite
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Grouting anti-seepage treatment method for completely weathered granite stratum
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