Analysis of modern foundation construction technology
Abstract: with the rapid development of economy in our country, as well as the significant increase of peoples living standard, the infrastructure construction demand is higher and higher, the construction of foundation engineering is the key to ensure the quality of modern engineering, this paper expounds the construction of modern building foundation engineering characteristics and construction technology, to provide reference for the colleague reference and.
Keywords: modern architecture; Foundation; The construction technology
The introduction
Since the reform and opening up, under the background of the rapid development of Chinas social economy, Chinas construction industry also develops rapidly. Modern housing construction style presents a diversity of characteristics, different construction types of the foundation of the actual situation is also different, so we want to solve the foundation of housing construction, first of all, we must analyze the existing foundation construction obstacles and shortcomings, and then put forward the corresponding construction technical points.
The construction characteristics of modern foundation engineering
Complexity. China is the third largest country in the world in terms of land area. It covers a wide range of latitudes and longitudes, so there are great differences in geological conditions, such as saline-alkali land, permafrost land and collapsible land. Different climatic conditions from northeast to southwest also bring complexity to the foundation construction. In addition, China is a country with frequent geological disasters. Landslides, debris flows, earthquakes and so on put forward different requirements for the foundation construction. These complex and various factors lead to a certain complexity of the foundation of Chinas housing construction. 2) multiple. According to this years housing quality testing data shows: the overall quality of Chinas housing is not high, the quality of housing collapse incidents occur from time to time, mainly caused by improper construction, to the countrys economy and peoples lives and property bring serious losses. 3) potential. In the construction process, the latter construction must operate on the basis of the former one, interlocking and relying on each other. 4) severity. The foundation is the foundation supporting the whole house. If the foundation is not tamped in the initial construction process, the later construction cannot be guaranteed, and there will be major hidden problems that cannot be adjusted or prevented. 5) difficulty. For the whole project quality management, local problems is to adopt necessary measures slowly adjust, in order to achieve the desired effect, only foundation, because it is a foundation, is the underground operation, because of its special status must be even more difficult for construction: (1) foundation engineering of underground engineering, are extremely hard to deal with the accident; (2) once the foundation bears the upper load, the treatment of itself, will inevitably affect the performance of the building superstructure.
2. Main factors affecting the foundation quality of building foundation
The types of foundation defects and their effects on the use, safety and durability of buildings.
The adaptability of the superstructures integrity, safety and application requirements to the foundation deformation.
Numerical value, development speed and trend of foundation and structure deformation.
Foundation defects and the possibility and economy of strengthening superstructure.
Ensure the reasonableness of the foundation construction of building foundation
3.1 attach importance to the accuracy of engineering exploration
Engineering investigation report to reflect comprehensively the housing construction site engineering geological and hydrogeological condition, prevention of foundation and foundation engineering accident, the first site engineering geological and hydrogeological conditions are fully correct, the solution to do this the key to do a good job in engineering exploration, according to the characteristics of the building site, building reasonable engineering investigation purpose and mission, exploration work is an important premise of the design, must not neglect not to be, also cant do without considering whether to apply. In particular, complex and weak foundations should be treated with more caution.
3. 2 improve the rationality of structural design
The design of the foundation shall be based on the use requirements of the building, the structure type and the soil conditions of the construction site, and in combination with the specific conditions of the site, under the premise of applicability and economy, to ensure that the main load-bearing structure of the building does not crack or damage in the normal use process. The designer should carefully treat the recommended value of foundation bearing capacity provided by the engineering exploration report, and strictly calculate the actual earth pressure of the foundation. If there is doubt on the recommended value of the exploration report, it can be verified by load test again. When constructing large and medium-sized projects on natural foundation, the constructors should check the rationality of designed foundation bearing capacity. In the event of major settlement or inclination of the foundation, work must be stopped immediately and the project shall be jointly studied with the surveying, designing and using units. Take necessary measu
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