Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to a string concrete truss combined supporting system. The system comprises a concrete enclosure beam, string concrete trusses, steel diagonal bracings, and steel angle bracings.Each of the string concrete trusses comprises a concrete truss body and steel string elements. The concrete trusses are arranged at the inner sides of the concrete enclosure beam, and the concrete trusses and the concrete enclosure beam are of an integrated structure. The steel diagonal bracings are perpendicular to the concrete enclosure beam and directly act on the concrete trusses; and the steel angle bracings are arranged at the corners of the concrete enclosure beam. According to the string concrete truss combined supporting system, steel pull rod and the concrete trusses form a beam string concrete truss structure system, so that super-large-span supporting can be achieved, a super-large excavation space is provided for foundation pit supporting, the construction period is shortened, the number of the diagonal bracings is reduced, and cost is saved; and a large-span high-bearing-capacity system can be achieved by adjusting the sizes of the concrete trusses and the steel pull rods, and the system is particularly suitable for deep foundation pits with large soil pressure.
本发明涉及一种张弦砼桁架组合支撑系统，包括混凝土围护梁、张弦砼桁架、钢对撑、钢角撑；所述张弦砼桁架包括砼桁架和钢制的张弦构件；所述砼桁架设于混凝土围护梁内侧，并与混凝土围护梁呈一体式结构；所述钢对撑垂直于所述混凝土围护梁并直接作用在所述砼桁架上；所述钢角撑设置于所述混凝土围护梁的角部位。本发明通过钢拉杆与砼桁架组成张弦砼桁架结构体系能够实现超大跨度的支撑，为基坑支撑提供超大的挖土空间，减少施工工期，减少对撑数量节约成本；可通过调整砼桁架及钢拉杆尺寸来实现大跨度高承载力体系，特别适用于土压力较大的深基坑。
The invention relates to a string concrete truss combined supporting system. The system comprises a concrete enclosure beam, string concrete trusses, steel diagonal bracings, and steel angle bracings.Each of the string concrete trusses comprises a concrete truss body and steel string elements. The concrete trusses are arranged at the inner sides of the concrete enclosure beam, and the concrete trusses and the concrete enclosure beam are of an integrated structure. The steel diagonal bracings are perpendicular to the concrete enclosure beam and directly act on the concrete trusses; and the steel angle bracings are arranged at the corners of the concrete enclosure beam. According to the string concrete truss combined supporting system, steel pull rod and the concrete trusses form a beam string concrete truss structure system, so that super-large-span supporting can be achieved, a super-large excavation space is provided for foundation pit supporting, the construction period is shortened, the number of the diagonal bracings is reduced, and cost is saved; and a large-span high-bearing-capacity system can be achieved by adjusting the sizes of the concrete trusses and the steel pull rods, and the system is particularly suitable for deep foundation pits with large soil pressure.
本发明涉及一种张弦砼桁架组合支撑系统，包括混凝土围护梁、张弦砼桁架、钢对撑、钢角撑；所述张弦砼桁架包括砼桁架和钢制的张弦构件；所述砼桁架设于混凝土围护梁内侧，并与混凝土围护梁呈一体式结构；所述钢对撑垂直于所述混凝土围护梁并直接作用在所述砼桁架上；所述钢角撑设置于所述混凝土围护梁的角部位。本发明通过钢拉杆与砼桁架组成张弦砼桁架结构体系能够实现超大跨度的支撑，为基坑支撑提供超大的挖土空间，减少施工工期，减少对撑数量节约成本；可通过调整砼桁架及钢拉杆尺寸来实现大跨度高承载力体系，特别适用于土压力较大的深基坑。
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