Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Improved pile foundation trimmer two-layer retaining wall structure and construction method
The invention relates to the field of slope retaining structures and discloses an improved pile foundation trimmer two-layer retaining wall structure arranged on the outer side of a fill slope. The structure comprises a first layer retaining wall, pile foundations, coupling beams, anchor cables, anchor heads, a trimmer, an unloading plate and a second layer retaining wall, wherein a foundation ofthe first layer retaining wall is arranged below the ground surface line, and a wall body of the first layer retaining wall extends above the ground surface line; foundation bodies of the pile foundations are arranged below the ground surface line, and the upper ends of the pile foundations extend above the ground surface line so as to be as high as the top of the first layer retaining wall; the coupling beams are arranged in proper positions between double-row pile cantilever segments correspondingly; the outer ends of the anchor cables are anchored to the outer side of the pile foundation trimmer through the anchor heads correspondingly, and the inner ends of the anchor cables are anchored into a firm stratum; the trimmer is connected with the tops of the pile foundations; the unloadingplate is connected with the inner side of the trimmer; and the second layer retaining wall is arranged at the upper end of the trimmer and attached to the outer side of the fill slope. Compared with the prior art, the retaining height of the improved pile foundation trimmer two-layer retaining wall structure is larger than that of a structure comprising only one layer retaining wall, the work amount is reduced, and the improved pile foundation trimmer two-layer retaining wall structure is safer, lower in construction cost, shorter in construction period and easier to construct when being compared with super-large-section super-high retaining walls, slab-pile walls and anchor cable slab-pile walls.
本发明涉及边坡支挡结构领域，公开了一种改进的桩托二层挡土墙结构置于填土边坡外侧，包括基础置于地面线以下且墙身延伸出所述地面线以上的第一层挡土墙，基础置于地面线以下且上端延伸出所述地面线以上至与所述第一层挡土墙顶等高的桩基础，在所述桩基础双排桩悬臂段之间适当位置的连梁，锚索外端通过锚头锚固于所述桩基托梁外侧，内端锚固于稳固地层中，在所述桩基础顶部与之连接的托梁，在所述托梁内侧与所述托梁联接的卸荷板，在所述托梁上端且贴设于所述填土边坡外侧的第二层挡土墙。与现有技术相比，本发明中比一层挡土墙的挡土高度更大，工程量更省，比超大断面的超高挡土墙、桩板墙、锚索桩板墙更安全、造价低、工期短、易施工。
Improved pile foundation trimmer two-layer retaining wall structure and construction method
The invention relates to the field of slope retaining structures and discloses an improved pile foundation trimmer two-layer retaining wall structure arranged on the outer side of a fill slope. The structure comprises a first layer retaining wall, pile foundations, coupling beams, anchor cables, anchor heads, a trimmer, an unloading plate and a second layer retaining wall, wherein a foundation ofthe first layer retaining wall is arranged below the ground surface line, and a wall body of the first layer retaining wall extends above the ground surface line; foundation bodies of the pile foundations are arranged below the ground surface line, and the upper ends of the pile foundations extend above the ground surface line so as to be as high as the top of the first layer retaining wall; the coupling beams are arranged in proper positions between double-row pile cantilever segments correspondingly; the outer ends of the anchor cables are anchored to the outer side of the pile foundation trimmer through the anchor heads correspondingly, and the inner ends of the anchor cables are anchored into a firm stratum; the trimmer is connected with the tops of the pile foundations; the unloadingplate is connected with the inner side of the trimmer; and the second layer retaining wall is arranged at the upper end of the trimmer and attached to the outer side of the fill slope. Compared with the prior art, the retaining height of the improved pile foundation trimmer two-layer retaining wall structure is larger than that of a structure comprising only one layer retaining wall, the work amount is reduced, and the improved pile foundation trimmer two-layer retaining wall structure is safer, lower in construction cost, shorter in construction period and easier to construct when being compared with super-large-section super-high retaining walls, slab-pile walls and anchor cable slab-pile walls.
本发明涉及边坡支挡结构领域，公开了一种改进的桩托二层挡土墙结构置于填土边坡外侧，包括基础置于地面线以下且墙身延伸出所述地面线以上的第一层挡土墙，基础置于地面线以下且上端延伸出所述地面线以上至与所述第一层挡土墙顶等高的桩基础，在所述桩基础双排桩悬臂段之间适当位置的连梁，锚索外端通过锚头锚固于所述桩基托梁外侧，内端锚固于稳固地层中，在所述桩基础顶部与之连接的托梁，在所述托梁内侧与所述托梁联接的卸荷板，在所述托梁上端且贴设于所述填土边坡外侧的第二层挡土墙。与现有技术相比，本发明中比一层挡土墙的挡土高度更大，工程量更省，比超大断面的超高挡土墙、桩板墙、锚索桩板墙更安全、造价低、工期短、易施工。
Improved pile foundation trimmer two-layer retaining wall structure and construction method
一种改进的桩托二层挡土墙结构及施工方法
LI XINGLONG (Autor:in) / WU ZHENYAO (Autor:in) / WU XIN (Autor:in)
08.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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