PROBLEMS AND COUNTERMEASURES IN THE PHASED CONSTRUCTION OF THE BASEMENT
Taking this project as an example,the total construction area is 158,727.2 square meters,and the basement area is 39,471.2 square meters.The total construction area of the first phase is 99,722.47 square meters,the total area of the underground garage is 24,503.15 square meters,the construction area of the second phase is 59,004.73 square meters,the underground garage area is 14,968.05 square meters,and the construction interval between the first and second phases is close to one year.A concrete separation wall is set at the interval of the first and second basements,and the first and second basements are delivered and used,and the lap steel bars of the first and second basements are reserved and the protective mortar is used for pouring protection;For the high water level at the junction of the first and second phases,the precipitation of the well point cannot be carried out,and the blind ditch and the water collection well are used to discharge the precipitation.During the construction process,the quality of the connection of the first and second phases of the steel bar is guaranteed,and the welding quality of each steel bar is checked to ensure the construction quality.
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万方数据
