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預制檢查井的優勢
預制檢查井的優勢
Advantages of prefabricated inspection well
1、質量及進度控制
1. Quality and progress control
裝配式混凝土檢查井與傳統現澆混凝土井相比，具有現場施工簡易快捷，井室穩定性、密封性、耐久性、環保性好的特點，質量易控、工藝更先進，施工工期短的特點。
Compared with the traditional cast-in-place concrete inspection well, the fabricated concrete inspection well has the characteristics of simple and fast on-site construction, good stability, sealing, durability and environmental protection of the well chamber, easy quality control, more advanced technology and short construction period.
2、現場實際施工條件及工期
2. Actual site construction conditions and construction period
由于管網工程絕大部分位于水田中，地下水位較高，基坑開挖后水量較大，降水時間長，不利于現澆混凝土施工。又臨時征地原因，住建局要求在耕種前結束占用農民耕地的施工段，現場工期十分緊迫，住建局多次催促工期，加快施工進度，因現場實際地勘情況，現澆混凝土檢查井施工時間長，施工質量與進度無法把控。
Because most of the pipe network works are located in the water field, the underground water level is high, the water volume after the excavation of the foundation pit is large, and the precipitation time is long, which is not conducive to the cast-in-place concrete construction. As for the reason of temporary land acquisition, the Bureau of housing and urban rural development requires that the construction section occupying farmers' cultivated land should be completed before farming. The construction period is very urgent. The Bureau of housing and urban rural development urges the construction period for many times to speed up the construction progress. Due to the actual geological survey on site, the construction time of cast-in-place concrete inspection well is long, and the construction quality and progress cannot be controlled.
3、安全管理方面
3. Safety management
由于基坑開挖深度較深，開挖后水量大，基坑邊坡不穩定，易出現塌方現象，采用現澆混凝土方法施工，施工人員在基坑內作業時間長，存在一定的安全隱患。
Due to the deep excavation depth of the foundation pit, the large amount of water after excavation, the unstable slope of the foundation pit, and prone to collapse, the cast-in-place concrete method is used for construction, and the construction personnel have a long working time in the foundation pit, which has certain safety risks.
4、經濟比較方面
4. Economic comparison
從經濟比較方面考慮，采用現澆混凝土方法施工，人員、材料、設備及小型機具應用較多，施工周期長，施工成本較高；如采用裝配式混凝土檢查井，由于構件為廠內集中預制，現場安裝，既減少了人員、材料、設備等的投入，又大大縮短了施工工期，成本較現澆混凝土檢查井明顯降低
From the perspective of economic comparison, the cast-in-place concrete method is adopted for construction, with more application of personnel, materials, equipment and small machines and tools, long construction period and high construction cost; for example, the prefabricated concrete inspection well reduces the investment of personnel, materials and equipment, and greatly shortens the construction period due to the centralized prefabrication of components in the plant and on-site installation Concrete inspection well significantly reduced
Advantages of prefabricated inspection well
1、質量及進度控制
1. Quality and progress control
裝配式混凝土檢查井與傳統現澆混凝土井相比，具有現場施工簡易快捷，井室穩定性、密封性、耐久性、環保性好的特點，質量易控、工藝更先進，施工工期短的特點。
Compared with the traditional cast-in-place concrete inspection well, the fabricated concrete inspection well has the characteristics of simple and fast on-site construction, good stability, sealing, durability and environmental protection of the well chamber, easy quality control, more advanced technology and short construction period.
2、現場實際施工條件及工期
2. Actual site construction conditions and construction period
由于管網工程絕大部分位于水田中，地下水位較高，基坑開挖后水量較大，降水時間長，不利于現澆混凝土施工。又臨時征地原因，住建局要求在耕種前結束占用農民耕地的施工段，現場工期十分緊迫，住建局多次催促工期，加快施工進度，因現場實際地勘情況，現澆混凝土檢查井施工時間長，施工質量與進度無法把控。
Because most of the pipe network works are located in the water field, the underground water level is high, the water volume after the excavation of the foundation pit is large, and the precipitation time is long, which is not conducive to the cast-in-place concrete construction. As for the reason of temporary land acquisition, the Bureau of housing and urban rural development requires that the construction section occupying farmers' cultivated land should be completed before farming. The construction period is very urgent. The Bureau of housing and urban rural development urges the construction period for many times to speed up the construction progress. Due to the actual geological survey on site, the construction time of cast-in-place concrete inspection well is long, and the construction quality and progress cannot be controlled.
3、安全管理方面
3. Safety management
由于基坑開挖深度較深，開挖后水量大，基坑邊坡不穩定，易出現塌方現象，采用現澆混凝土方法施工，施工人員在基坑內作業時間長，存在一定的安全隱患。
Due to the deep excavation depth of the foundation pit, the large amount of water after excavation, the unstable slope of the foundation pit, and prone to collapse, the cast-in-place concrete method is used for construction, and the construction personnel have a long working time in the foundation pit, which has certain safety risks.
4、經濟比較方面
4. Economic comparison
從經濟比較方面考慮，采用現澆混凝土方法施工，人員、材料、設備及小型機具應用較多，施工周期長，施工成本較高；如采用裝配式混凝土檢查井，由于構件為廠內集中預制，現場安裝，既減少了人員、材料、設備等的投入，又大大縮短了施工工期，成本較現澆混凝土檢查井明顯降低
From the perspective of economic comparison, the cast-in-place concrete method is adopted for construction, with more application of personnel, materials, equipment and small machines and tools, long construction period and high construction cost; for example, the prefabricated concrete inspection well reduces the investment of personnel, materials and equipment, and greatly shortens the construction period due to the centralized prefabrication of components in the plant and on-site installation Concrete inspection well significantly reduced
