A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Indoor simulation test device for influence of excavation of ultra-deep foundation pit
The invention relates to an indoor simulation test device for the influence of excavation of an ultra-deep foundation pit, and the device comprises a model box which is used for accommodating a soil body and is in a cuboid shape, and the top surface of the model box is provided with an opening; the foundation pit enclosure model is a two-frame enclosure model made of inner and outer aluminum alloy materials, after the two-frame enclosure model is positioned and placed in a soil body, mixed cement is injected, and after the cement is solidified, the cement is pulled out to form a cement enclosure wall body in the soil body; the subway tunnel ground entering and exiting model is customized by an aluminum alloy material, is divided into an underground tunnel section and a ground section, and is buried in the model box through a soil body; a plurality of LVDT displacement meters are fixed on the soil surface of the ground section and the vault and the haunch of the tunnel section through displacement meter brackets; and the plurality of strain gauges are symmetrically arranged at the arch top and the arch bottom of the tunnel section. The method can conveniently and effectively simulate the influence of the construction process of ultra-deep foundation pit excavation on the adjacent subway tunnel going in and out of the ground, and has important reference value for similar actual engineering on the site.
本发明涉及一种超深基坑开挖影响的室内模拟试验装置，包括模型箱：用于容纳土体，呈长方体状，其顶面设为开口；基坑围护模型：由内外铝合金材质制作而成的两框围护模型，在土体中定位放置后，注入拌制水泥，待水泥固结后抽出以在土体中形成水泥围护墙体；地铁隧道进出地面模型：由铝合金材质定制而成，分为地下隧道段与地面段两部分，通过土体埋设在模型箱中；多个LVDT位移计通过位移计支架固定在地面段的土体表面以及隧道段的拱顶及拱腰处；多个应变计对称地布置在隧道段的拱顶及拱底处。本发明能够方便有效地通过模拟超深基坑开挖的施工过程对邻近进出地面地铁隧道影响，对现场相似的实际工程具有重要的参考价值。
Indoor simulation test device for influence of excavation of ultra-deep foundation pit
The invention relates to an indoor simulation test device for the influence of excavation of an ultra-deep foundation pit, and the device comprises a model box which is used for accommodating a soil body and is in a cuboid shape, and the top surface of the model box is provided with an opening; the foundation pit enclosure model is a two-frame enclosure model made of inner and outer aluminum alloy materials, after the two-frame enclosure model is positioned and placed in a soil body, mixed cement is injected, and after the cement is solidified, the cement is pulled out to form a cement enclosure wall body in the soil body; the subway tunnel ground entering and exiting model is customized by an aluminum alloy material, is divided into an underground tunnel section and a ground section, and is buried in the model box through a soil body; a plurality of LVDT displacement meters are fixed on the soil surface of the ground section and the vault and the haunch of the tunnel section through displacement meter brackets; and the plurality of strain gauges are symmetrically arranged at the arch top and the arch bottom of the tunnel section. The method can conveniently and effectively simulate the influence of the construction process of ultra-deep foundation pit excavation on the adjacent subway tunnel going in and out of the ground, and has important reference value for similar actual engineering on the site.
本发明涉及一种超深基坑开挖影响的室内模拟试验装置，包括模型箱：用于容纳土体，呈长方体状，其顶面设为开口；基坑围护模型：由内外铝合金材质制作而成的两框围护模型，在土体中定位放置后，注入拌制水泥，待水泥固结后抽出以在土体中形成水泥围护墙体；地铁隧道进出地面模型：由铝合金材质定制而成，分为地下隧道段与地面段两部分，通过土体埋设在模型箱中；多个LVDT位移计通过位移计支架固定在地面段的土体表面以及隧道段的拱顶及拱腰处；多个应变计对称地布置在隧道段的拱顶及拱底处。本发明能够方便有效地通过模拟超深基坑开挖的施工过程对邻近进出地面地铁隧道影响，对现场相似的实际工程具有重要的参考价值。
Indoor simulation test device for influence of excavation of ultra-deep foundation pit
一种超深基坑开挖影响的室内模拟试验装置
SHI MINZHI (author) / KANG YI (author) / CHENG XIN (author) / SONG LIJIA (author) / BIAN ANQI (author) / FAN BINHUA (author)
2024-03-26
Patent
Electronic Resource
Chinese
IPC:
G01B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
,
Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen
/
E02D
FOUNDATIONS
,
Gründungen
/
G01C
Messen von Entfernungen, Höhen, Neigungen oder Richtungen
,
MEASURING DISTANCES, LEVELS OR BEARINGS
/
G01L
Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden
,
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
/
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
,
Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen
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