The support system of Huashan Road mainly adopts concrete support and steel support, with local concrete corner braces.
Among them, the depth of the station foundation pit is 17.
3m, and the standard section adopts three concrete cross braces (the fourth end well and the replacement brace adopt steel support, with a spacing of about 1.
6-2.
6m between steel supports, and the steel supports are connected by double spliced 40C channel steel); The excavation depth of the northern open cut section of the foundation pit is 17.
75-24.
88m, using five horizontal braces (the first and fourth braces are concrete supports, and the second, third, and fifth braces are steel supports), with a spacing of about 3m between steel supports; The excavation depth of the foundation pit in the southern open cut section is 17.
31-17.
63m, using four horizontal braces (the first one is concrete support, and the second to fourth ones are steel support), with a spacing of about 3m between steel supports.
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