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混凝土生态护坡施工要点
混凝土生态护坡施工要点
Key Points of Concrete Ecological Slope Protection Construction
1.按照测量放好的线,根据设计坡比,进行削坡及整平坡面;
1. According to the measured line and the design slope ratio, the slope is cut and leveled.
▲坡面开挖、整平
_Slope excavation and leveling
2.按设计高程、宽度和深度,开挖压顶、坡脚槽、匡格槽。机械开挖时的应预留 10cm 由人工开挖,多余土方运出指定位置;
2. According to the design elevation, width and depth, excavate roof pressing, foot groove and rectangular groove. In mechanical excavation, 10 cm should be reserved for manual excavation, and excess earthwork should be transported out of the designated location.
▲框格槽开挖
Frame slot excavation
3.在开挖过程中,经常测量校核开挖平面位置、标高、控制桩号、边坡坡度等是否符合设计图纸要求;
3. In the process of excavation, it is often measured and checked whether the excavation plane position, elevation, control pile number and slope meet the requirements of design drawings.
4.浇筑框格砼时,应注意防止混凝土的分层离析,在斜坡上浇筑混凝土应采用斜槽、溜管等下料;
4. When pouring frame concrete, attention should be paid to preventing the stratification and segregation of concrete, and the concrete pouring on slopes should adopt the cutting materials such as chutes and chutes.
▲框格模板安装
_Frame Template Installation
5.土工布剪裁整齐,尺寸应准确,缝合的宽度一般为 0.1m 以上,搭接宽度一般为 0.2m 以上;
5. Geotextile should be trimmed neatly and its size should be accurate. The width of stitching is generally more than 0.1 m, and the lap width is generally more than 0.2 M.
6.土工布在斜坡上搭接时,尽量减少横向接缝,将高处的土工布搭接在低处的土工布上,施工中严禁接头错动;
6. When overlapping geotextiles on slopes, minimize transverse joints and overlap geotextiles at high places with geotextiles at low places. Joint dislocation is strictly prohibited in construction.
▲铺设土工布
Laying Geotextiles
7.铺设土工布施工人员穿橡胶平底鞋施工,不准使用带尖头的钢筋作撬动工具和尖头锹平整垫层等,严禁在土工布上堆放块石和敲打石料,杜绝一切可能引起土工布损坏的施工作业;
7. Geotextiles layers shall wear rubber flat soles for construction, and shall not use steel bars with pointed ends as prying tools and cushions with pointed spades, etc. Stone stacking and knocking on geotextiles shall be strictly prohibited, and all construction operations that may cause damage to geotextiles shall be eliminated.
8.在土工布上铺 10cm 厚的中、粗砂作反滤层;
8. Place 10 cm thick medium and coarse sand on geotextile as filter layer.
▲铺设砂垫层
Laying sand cushion
9.制好生态混凝土的浇筑温度、浇筑次序、浇筑速度,确保生态商品混凝土质量;要求混凝土外表平整,振捣适宜,不呈现沉降现象,控制好浇筑厚度(一般 10~15cm)。浇筑后掩盖,养护 7~14d,依据天气状况洒水,保证混凝土湿度和温度,减少裂缝的产生。
9. The pouring temperature, pouring sequence and pouring speed of eco-concrete should be well prepared to ensure the quality of eco-commercial concrete; the surface of concrete should be smooth, the vibration should be appropriate, the settlement phenomenon should not be present, and the pouring thickness should be well controlled (generally 10-15 cm). Cover after pouring, maintain for 7 to 14 days, sprinkle water according to weather conditions, ensure concrete humidity and temperature, reduce cracks.

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