Overview:
The reasonable and scientific application of building formwork technology can shorten the construction period. It has significant economic benefits for the reduction of engineering costs and the reduction of expenses. Due to the complexity of the main building, some problems are prone to occur in the application of building formwork technology. Only after the technical preparations are completed before construction and qualified formwork materials are selected in the building formwork can the building construction be safely realized and formwork installation can be carried out efficiently. The implementation of specific formwork technology in the main construction of the building requires specific research and discussion in conjunction with engineering practice.
At this stage, the building formwork is divided according to the surface shape, mainly including curved formwork and plane formwork.According to different stress conditions, building formwork can be divided into non-load-bearing formwork and load-bearing formwork.In this process, it is necessary to follow relevant technical principles to ensure the rationality of construction.The application of building formwork technology should adhere to the principle of safety. The relevant construction personnel should install and remove the formwork in strict accordance with the technical indicators under certain construction system and process conditions to minimize the technical difficulty of the building formwork and the risk of construction safety hazards.In the application of building formwork technology, we must adhere to the principle of material advantages and make a reasonable choice of building formwork materials. In today's market economy environment, the functions and types of building formwork materials are diverse. Most of the building formwork are made of plastic, steel and wood, and mixed with some fibers, with low thermal conductivity and good thermal insulation performance.
Whether it is the application of building formwork technology or other aspects of technology, it is necessary to save costs as much as possible under the premise of ensuring the quality of construction projects, and to use more environmentally friendly materials in construction materials and other aspects, and do more for the sustainable development of the country contribute.
How to use the building formwork?
1. It is recommended to use the whole multi-layer board (both wood and bamboo) as the floor building formwork, and try to use the 15-18mm thick multi-layer building formwork with phenolic cladding. The edge of this kind of building formwork is damaged after repeated use, so it must be cut in time to ensure that the edge of the multi-layer board is flat.
2. The girder and column building formwork should adopt the medium-sized combined building formwork. Because of the large changes in the cross section of the girder and column, it is not suitable to cut with multi-layer boards.
3.The wall formwork can be assembled into a large formwork by a medium-sized combined building formwork and then dismantled as a whole. It can also be made into a large formwork by a whole multi-story building formwork, or an all-steel large formwork. Generally, the same type of high-rise building groups should be unified as much as possible to ensure a higher turnover rate.
4.Make full use of the old multi-layer boards and short residual wood after multiple cuts to produce various specifications of small and medium-sized wood composite formwork, which is used for various medium and small-scale cast-in-place concrete components, but these wooden formwork must be ensured the rib height is uniform in size, the board surface is flat, the weight is light, the rigidity is good, and it is not easy to damage.
5.Make full use of the existing small steel molds. And meet the requirements of clear water concrete. According to the experience of some companies, plastic plates or other thin plates can be used to cover the surface of the combined small steel mold, and use it on floor slabs, shear walls or other components.
6.The arc-shaped wall is increasing day by day, and the curvature is changeable. After processing the finalized arc formwork, it will be changed after several times of use, which costs labor and materials. Recently, some projects have promoted the application of "curvature adjustable arc formwork" on a large scale. The adjuster adjusts the arc formwork with any radius, the effect is remarkable, and it is worthy of vigorous promotion and application.
7.The core tube of super high-rise or high-rise buildings should adopt "hydraulic climbing formwork". Firstly,the climbing formwork technology combines the advantages of large formwork and sliding formwork. It can rise layer by layer with the construction of the structure. The construction speed is faster and saves space and tower cranes. Secondly, it is safe to work at heights, without external scaffolding. In terms of construction, it is especially suitable for the construction of steel-structured concrete inner cylinders.
Post time: Nov-18-2021