广州新白云机场冲孔桩施工难题及技术措施（Construction difficulties and technical measures of punch pile in guangzhou new baiyun airport）.doc

广州新白云机场冲孔桩施工难题及技术措施（Construction difficulties and technical measures of punch pile in guangzhou new baiyun airport） Construction difficulties and technical measures of punch pile in guangzhou new baiyun airport Construction and construction techniques 1. The dynamic construction monitoring of deep foundation pit retaining structure and environmental protection: used in underground railway stations, high-rise building foundation pit need retaining engineering fields, such as around the construction site of the settlement and deformation calculation of the old building control have certain effect. 2. Rapid connection technology of prestressed concrete pipe pile: it is applicable to the connection of prestressed concrete pipe piles with pressure, bending, anti-shear and anti-pull of all kinds of industrial and civil building foundation. 3. Self-balancing test technology of pile bearing capacity: this method is applicable to various pile types, especially water pile, slope pile, narrow site test pile, etc. 4. Light frame structure system: suitable for multi-storey or below 8 floors of residential and office buildings. 5. Application of stainless steel compound tube in the structure of network frame: used for steel frame and urban protection, anti-collision guardrail, billboard, flag pole, driving frame, medical device and so on. 6. Load bearing, light weight and decorative concrete masonry application technology: applicable to various areas, especially the area of insulation and thermal insulation requirements; The wall of the multi-storey house; Wall of high-rise residence. 7. Comprehensive application technology of coal gangue sintered porous brick: suitable for multi-storey buildings and general industrial buildings for coal producing areas and gangue areas; In actual engineering, it can be used as load bearing and enclosure structure. Application technology of mortar and mortar: suitable for construction of hollow bricks, gas blocks and various kinds of energy savin