The exposition of the design and calculation principle of the combined foundation of CFG pile, including the affirming of the load of the combined foundation of CFG pile and the and foundation settlement calculation.
Based on limit-state design method in steel structure design principle, the principle and method of phased strengthening design of steel structures strengthened by prestressing is represented here.
Applying the basic principle on two phase flow of air and liquid, and combined with engineering practice, this paper discusses the engineering characteristics and design principle on two phase flow of air and liquid formed by jet airflow in water and the applied vistas for preparing the wall-strengthening mud, mixing the slarry, cleaning the dregs in water, anti-quaking with pneumatic barriers or bubble creens, anti-icing, blocking fish and protectting against quake for dam.
In the thesis, main contents include:(1) The develop history, the design calculation theory, procedure about friction piles at present are summed up in the thesis.
Most of the calculation principles in engineering design used half-experimentaland half-theoretical method at present, so there are certain datum differences betweenthe scheduled structure parameter and drafted boundary condition and the actualcondition of the engineering implementation.
Based on the study of some aspects of RC special-shaped column structure such as the principle of calculation and design,the rigidity and ductility,the working performance against earthquake,and the present research on the special-shaped column structure with concealed columns and new SRC special-shaped column structure,the article points out that the special-shaped column structure has good working performance and application prospect.
This is a case history of laying a double wall steel pipeline, φ830×16mm +φ720×9mm, across a river, giving some details about the method of calculation, steps and precautions taken in the construction. Fix a center of oircle to form a radial ditch track before sinking the pipe. Then fill the pipe with water, and under negative buoyancy and horizontal push of water flow, settle down the pipe in the ditch on the river bed. This method is simple, reliable, accurate, economic and practical, applicable to river ...
Applying the basic principle on two phase flow of air and liquid, and combined with engineering practice, this paper discusses the engineering characteristics and design principle on two phase flow of air and liquid formed by jet airflow in water and the applied vistas for preparing the wall-strengthening mud, mixing the slarry, cleaning the dregs in water, anti-quaking with pneumatic barriers or bubble creens, anti-icing, blocking fish and protectting against quake for dam.
A double member open web overhead pedestrian bridge supported by lower chord member has been built in Guiyang.Its structure is new and it is beautifully shaped.Because the railing and structure of this bridge are designed as a whole,the steel consumption is economized, and the construction costs are very cheap.This bridge is an initiative construction in the country. The structural construction and its calculation principle are discu- ssed in this paper,and the algorithm is discussed as a real example of th...