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Vertical bank protection structure used under deep soft soil condition and construction method of vertical bank protection structure
The vertical bank protection structure comprises a bank protection structure body, the bank protection structure body comprises a plurality of cast-in-place piles, jet grouting piles and pre-stressed anchor cables which are arranged at equal intervals in the length direction of a river channel, the bottom ends of the cast-in-place piles are embedded into a river bank bearing stratum, and the bottom ends of the jet grouting piles penetrate through a silt layer to enter the bearing stratum; the pre-stressed anchor cable is driven into a bearing layer, a crown beam for connecting a plurality of cast-in-place piles is arranged at the top ends of the cast-in-place piles arranged close to the top of the river channel, and gabion net cage protection feet are thrown and filled at toes of the cast-in-place piles close to the water surface side of the river channel. The method solves the problems that under the condition of deep soft soil, the implementation difficulty is large, the cost is high, the implementation cost is high when a riprap foundation bed and a concrete gravity type retaining wall cob wall are adopted, settlement is large after a quay wall is built, a concrete structure cracks, local instability is prone to being generated, a soil embankment structure is adopted, the occupied space is large permanently, and the construction cost is low. And deep soft soil needs to be subjected to foundation treatment, settlement is large after an earth embankment is built, and operation and maintenance are inconvenient.
本发明涉及一种用于深厚软土条件下的垂直护岸结构及其施工方法，包括护岸结构，护岸结构包括若干个沿河道长度方向等间距设置的灌注桩、旋喷桩、预应力锚索，灌注桩底端嵌入河岸持力层，旋喷桩底端穿透淤泥层进入持力层，预应力锚索打入持力层，靠近河道顶部设置的灌注桩顶端设置有将若干个灌注桩相连接的冠梁，临近河道水面侧灌注桩脚趾部位抛填格宾网箱护脚。本发明解决了在深厚软土条件下情况下，实施难度较大、成本较高与采用抛石基床与混凝土重力式挡墙土墙，实施成本较高，岸墙建成后沉降较大，混凝土结构开裂，易产生局部失稳以及采用土堤结构，永久占地较多，且需要对深厚软土进行地基处理，土堤建成后沉降较大，运行维护不便的问题。
Vertical bank protection structure used under deep soft soil condition and construction method of vertical bank protection structure
The vertical bank protection structure comprises a bank protection structure body, the bank protection structure body comprises a plurality of cast-in-place piles, jet grouting piles and pre-stressed anchor cables which are arranged at equal intervals in the length direction of a river channel, the bottom ends of the cast-in-place piles are embedded into a river bank bearing stratum, and the bottom ends of the jet grouting piles penetrate through a silt layer to enter the bearing stratum; the pre-stressed anchor cable is driven into a bearing layer, a crown beam for connecting a plurality of cast-in-place piles is arranged at the top ends of the cast-in-place piles arranged close to the top of the river channel, and gabion net cage protection feet are thrown and filled at toes of the cast-in-place piles close to the water surface side of the river channel. The method solves the problems that under the condition of deep soft soil, the implementation difficulty is large, the cost is high, the implementation cost is high when a riprap foundation bed and a concrete gravity type retaining wall cob wall are adopted, settlement is large after a quay wall is built, a concrete structure cracks, local instability is prone to being generated, a soil embankment structure is adopted, the occupied space is large permanently, and the construction cost is low. And deep soft soil needs to be subjected to foundation treatment, settlement is large after an earth embankment is built, and operation and maintenance are inconvenient.
本发明涉及一种用于深厚软土条件下的垂直护岸结构及其施工方法，包括护岸结构，护岸结构包括若干个沿河道长度方向等间距设置的灌注桩、旋喷桩、预应力锚索，灌注桩底端嵌入河岸持力层，旋喷桩底端穿透淤泥层进入持力层，预应力锚索打入持力层，靠近河道顶部设置的灌注桩顶端设置有将若干个灌注桩相连接的冠梁，临近河道水面侧灌注桩脚趾部位抛填格宾网箱护脚。本发明解决了在深厚软土条件下情况下，实施难度较大、成本较高与采用抛石基床与混凝土重力式挡墙土墙，实施成本较高，岸墙建成后沉降较大，混凝土结构开裂，易产生局部失稳以及采用土堤结构，永久占地较多，且需要对深厚软土进行地基处理，土堤建成后沉降较大，运行维护不便的问题。
Vertical bank protection structure used under deep soft soil condition and construction method of vertical bank protection structure
一种用于深厚软土条件下的垂直护岸结构及其施工方法
FU LIN (author) / WANG YUANYUAN (author) / CUI XIAOXIN (author) / LI LUHUA (author) / GAO XINCHAO (author)
2022-11-01
Patent
Electronic Resource
Chinese
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