[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m)

Uploaded on: 2015-05-15 10:28:02 come from: Road and bridge municipal administration / Road and bridge municipal auxiliary works

three

3.08 points

Overview: The treatment design is made for the soil slope formed by excavation, leveling and filling of the project, and to prevent the loss of engineering construction and people's lives and property caused by slope instability. The slope is filled soil slope, with silty clay locally, and the underlying rock mass is mainly sandstone and mudstone. The total length of the slope in the design section is about 35.50m, and the height is 8.0~20.4m. The slope safety grade is Grade I, which is a permanent slope. The slope stability safety factor Fs ≥ 1.35, and the reasonable service life of the slope is 50 years. The maximum height of the slope is 20.40m, which belongs to high slope.

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 1

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 2

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 3

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 4

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 5

[Chongqing] Design and Construction Drawing of High Slope Treatment (8.0 * 20.4m) - Figure 6

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Design description: 1. The setting out of the retaining wall shall be carried out at the same time as the setting out of the house. If it is found that the retaining wall intersects the house and the elevation of the top of the retaining wall does not conform to the planned ground level, the relevant design unit shall be notified to solve the problem.

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1. Overview of Unit Works Table 2.1-1 Overview of Unit Works Construction Project Name: Construction Site of Municipal Supporting Works Phase II in XX Industrial Zone: North Side of XX Intersection, XX District, XX City Building scale Land area is about 49390m2, construction road length is 698.672m, The road width is 15m, the project cost is 83.94 million yuan, the contract duration is 450 calendar days, the construction unit is XX District Construction Engineering Affairs Bureau, the design unit is XX Engineering Technology Co., Ltd., the survey unit is XX Provincial Urban and Rural Construction Survey Institute, the supervision unit is XX Shiyou Construction Supervision Co., Ltd., the construction unit is XX Construction Engineering Group Co., Ltd., the quality supervision unit is XX District Construction Quality Supervision and Inspection Station, the safety supervision sheet Safety Supervision Station in XX District, XX City 2. Overview of divisional works Table 2.1-2 List of slope support conditions Section slope height (m) Length (m) Slope ratio Lithological support structure Form Slope form AB 59 1:1.5/Spraying soil Grassing slope protection Fill slope BD 14.3 87 1:1 colluvial soil, gravelly clay, completely weathered granite Moderately weathered granite bolt lattice beam support excavation slope DE 27 20 1:1 gravelly cohesive soil, strongly weathered granite, moderately weathered granite Grade 1 bolt lattice beam support Grade 2~3 bolt lattice beam support excavation slope EH 17 120 1:1 colluvial soil, gravelly cohesive soil, completely weathered granite, apoplectic granite bolt lattice beam support excavation slope HJ 24 80 1:1 colluvial soil Gravel clay, completely weathered granite, strongly weathered granite, moderately weathered granite anchor cable (pole) lattice beam support excavation slope JV 26 80 1:1 colluvial soil, gravelly clay, strongly weathered granite, moderately weathered granite anchor rod lattice beam support excavation slope VL 26 20 1:1 colluvial soil, strongly weathered granite, moderately weathered granite Grade 1 slope adopts lattice beam vegetation slope protection, 2~3 slope adopts anchor rod lattice beam support for excavation slope LO 50 126 Grade 1 1:0.3 Grade 2 1:0.5 Grade 3~5 1:1 gravelly clay, strongly weathered granite, moderately weathered granite Anchor cable (pole) lattice beam support for excavation slope OR 37.5 107 Grade 1 1:0.5 Grade 2~4 1:1 strongly weathered granite Moderately weathered granite rockbolt lattice beam supporting excavation slope RS 6.6 73 1:0.75 Moderately weathered granite lattice beam supporting excavation slope SU 30 53 Grade 1 1:0.25 Grade 2 1:0.5 Grade 3 1:0.75 Moderately weathered granite grade 1~2 slopes are supported by anchor rod lattice beam, and after grading of grade 3 slope, lattice beam planting grass for slope protection excavation slope

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