Theory Research And Field Measurement Analysis Of Fastening High Support Structure

With the high steel tube support frame is widely used in engineering, safetyincidents caused by the collapse of the support frame system instability frequent causeattaches great importance to the engineering sector and the whole society. A long time,the industry has not been formwork as a real structure, but a temporary facility to treat,resulting in its design and the actual working conditions, material properties, thecomputational model out of touch out of line; calculation model and structural measures;construction operation and management out of touch and other issues.The field test is an important element in the template support system performanceby force, it is the basis for the mechanical calculation model template support system isa first-hand information of the testing laboratories structural test and analysis results canalso be too variable structure system The mechanical analysis, the control templatesupport system for construction of safety, construction design and optimization toprovide the technical basis. Measured less high support mold, and is mostly limited tothe monitoring of the frame body. This thesis is the construction of performance ofconcrete structures and the frame body to simultaneously monitor and test the stentsupport structure object for steel reinforced concrete structure, measured in the first, tofill a gap in the field. And innovative use of steel structure system with the supportframe by the force of ideas.Articles to start from the theoretical study of the high carriage to the theZhongshan international financial center,28m high rack support steel reinforcedconcrete structure during construction, engineering background, do the following work:①research typical template support frame collapsed accident, summed up the fivecommon characteristics of the accident; will result in the collapse of the accidentincentives to sum up as follows: material defects, loss of control, computing problems,field operations are not in place in four major areas, and were described in detail.②focuses on the structural features of the steel tubular stent, and made ahigh-bracket system and structure together a few structural measures.③calculated from the traditional computing programs, semi-rigid node system, theoverall stability of the three levels of the calculation of the high carriage system.④support to the Zhongshan international financial center28m high bracket ofsteel reinforced concrete structure for the project background, the use of finite element analysis software SAP2000to create a high count of mold three-dimensional finiteelement model, the construction period of the steel structure and formwork systemtogether by the simulation of the force.⑤on the Zhongshan projects of steel reinforced concrete structure and the systemof the common role of the high carriage of the whole process of the construction period(in this framework supporting steel installation, concrete pouring, removal of theunderlying template support frame, until the whole process of the concrete28days ofage) measured, data processing and analysis. And support system construction technicalmeasures put forward some suggestions.