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Novel construction method for end-bearing type composite consolidated foundation
The invention discloses a novel construction method for an end-bearing type composite consolidated foundation. The construction method is suitable for deep soft soil foundation consolidation that a stable and reliable supporting end layer is formed at about 15 m deep of a foundation, and the space above the supporting end layer is mainly filled with deep soft soil layers. The construction method comprises the following steps that firstly, the foundation condition of an area to be constructed is analyzed, and whether the soft soil foundation of the area meets the construction conditions of the construction method or not is determined; then specific construction scheme design is conducted; then a consolidate pile composed of an inner pile body, a middle net cylinder and an outer water-permeable geomembrane is piled in the area to be constructed, the bottom end of the consolidate pile is inlaid in the stable supporting end layer, and the top end of the consolidate pile stretches out of the ground layer; and after the construction of the consolidate pile is finished, a composite cushion is laid at the top end of the consolidate pile, roadbed filling is conducted, and finally upper structural layer construction is conducted. The construction method is suitable for solving the difficult problem of deep soft soil foundation consolidation that the stable and reliable supporting end layer can be found only at about 15 m deep of the foundation, and the space above the supporting end layer is mainly filled with the deep soft soil layers.
Novel construction method for end-bearing type composite consolidated foundation
The invention discloses a novel construction method for an end-bearing type composite consolidated foundation. The construction method is suitable for deep soft soil foundation consolidation that a stable and reliable supporting end layer is formed at about 15 m deep of a foundation, and the space above the supporting end layer is mainly filled with deep soft soil layers. The construction method comprises the following steps that firstly, the foundation condition of an area to be constructed is analyzed, and whether the soft soil foundation of the area meets the construction conditions of the construction method or not is determined; then specific construction scheme design is conducted; then a consolidate pile composed of an inner pile body, a middle net cylinder and an outer water-permeable geomembrane is piled in the area to be constructed, the bottom end of the consolidate pile is inlaid in the stable supporting end layer, and the top end of the consolidate pile stretches out of the ground layer; and after the construction of the consolidate pile is finished, a composite cushion is laid at the top end of the consolidate pile, roadbed filling is conducted, and finally upper structural layer construction is conducted. The construction method is suitable for solving the difficult problem of deep soft soil foundation consolidation that the stable and reliable supporting end layer can be found only at about 15 m deep of the foundation, and the space above the supporting end layer is mainly filled with the deep soft soil layers.
Novel construction method for end-bearing type composite consolidated foundation
KANG CHENGLEI (author) / LI XIAOHE (author) / LIN ZUOZHONG (author) / XIE MIAO (author) / YANG YANWEI (author) / LI MING (author)
2016-02-24
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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