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A platform for research: civil engineering, architecture and urbanism
Shield construction synchronous grouting stratum deformation prediction method
The invention discloses a stratum deformation prediction method for synchronous grouting in shield construction, which relates to the technical field of shield construction, and comprises the following steps: S10, obtaining the maximum consolidation strain epsilon 0 of slurry; s20, measuring the elastic modulus and permeability parameters of the slurry consolidated hardened body; s30, calculating a maximum formation loss gap parameter g caused by slurry consolidation; s40, the non-uniform convergence deformation of the displacement stratum loss gap parameter g theta around the tunnel hole at the angle theta is calculated; s50, calculating axial strain epsilon theta at different angles theta; and S60, a tunnel geometric model of shield construction synchronous grouting is established through simulation, the axial strain epsilon theta values at different angles theta and the elastic modulus and permeability parameters of a grout consolidation hardened body are input into the tunnel geometric model, and stratum deformation data are predicted. The method has the effect of improving the calculation accuracy and reliability of stratum deformation caused by shield construction synchronous grouting.
本发明公开了一种盾构施工同步注浆的地层变形预测方法，涉及盾构施工技术领域，其包括：S10，获取浆液的最大固结应变ε0；S20，测量浆液固结硬化体的弹性模量和渗透性参数；S30，计算浆液固结引起的最大地层损失间隙参数g；S40，计算隧道洞周位移地层损失间隙参数gθ在角度θ下的非均匀收敛变形；S50，计算不同的角度θ下的轴向应变εθ；S60，仿真建立盾构施工同步注浆的隧道几何模型，将不同角度θ下的轴向应变εθ值、浆液固结硬化体的弹性模量和渗透性参数输入所述隧道几何模型，预测出地层变形数据。本发明具有提高对于盾构施工同步注浆引起地层变形的计算准确性和可靠性的效果。
Shield construction synchronous grouting stratum deformation prediction method
The invention discloses a stratum deformation prediction method for synchronous grouting in shield construction, which relates to the technical field of shield construction, and comprises the following steps: S10, obtaining the maximum consolidation strain epsilon 0 of slurry; s20, measuring the elastic modulus and permeability parameters of the slurry consolidated hardened body; s30, calculating a maximum formation loss gap parameter g caused by slurry consolidation; s40, the non-uniform convergence deformation of the displacement stratum loss gap parameter g theta around the tunnel hole at the angle theta is calculated; s50, calculating axial strain epsilon theta at different angles theta; and S60, a tunnel geometric model of shield construction synchronous grouting is established through simulation, the axial strain epsilon theta values at different angles theta and the elastic modulus and permeability parameters of a grout consolidation hardened body are input into the tunnel geometric model, and stratum deformation data are predicted. The method has the effect of improving the calculation accuracy and reliability of stratum deformation caused by shield construction synchronous grouting.
本发明公开了一种盾构施工同步注浆的地层变形预测方法，涉及盾构施工技术领域，其包括：S10，获取浆液的最大固结应变ε0；S20，测量浆液固结硬化体的弹性模量和渗透性参数；S30，计算浆液固结引起的最大地层损失间隙参数g；S40，计算隧道洞周位移地层损失间隙参数gθ在角度θ下的非均匀收敛变形；S50，计算不同的角度θ下的轴向应变εθ；S60，仿真建立盾构施工同步注浆的隧道几何模型，将不同角度θ下的轴向应变εθ值、浆液固结硬化体的弹性模量和渗透性参数输入所述隧道几何模型，预测出地层变形数据。本发明具有提高对于盾构施工同步注浆引起地层变形的计算准确性和可靠性的效果。
Shield construction synchronous grouting stratum deformation prediction method
一种盾构施工同步注浆的地层变形预测方法
LIANG JIAXIN (author) / LIU WEI (author) / YANG JICHEN (author) / HUANG JIAWEI (author) / SHI PEIXIN (author)
2024-07-23
Patent
Electronic Resource
Chinese
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