行车事故
S爸爸最好tudy on safety appraiment and strengthening technology of masonry structure buildings damaged in wenchuan earthquake
Ying Ma , Yongsheng Yi,Shuchun Zhou ,Yuexing Zhu , and Qigang Jiang
1)Graduate Student ,School of Architecture & Civil Engineering ,CUMT ,China
2)General Manager , Xuzhou Architecture design & rearch institute CO ,LTD ,China
3)Associate Professor ,School of Architecture & Civil Engineering ,CUMT , China
4)Director ,Xuzhou Construction Engineering testing Center, China
去远方
5)文登川之战Chief Engineer ,Xuzhou Construction Engineering Testing Center, China
M*******************,***************,***************,**************
Abstract: Referring to the appraiment of masonry structure buildings in Mianzhu City, this paper studied the safety inspection methods, ismic capability appraiment process
bad on summarizing and analyzing of its earthquake damages; also, the strengthening technology was discusd. Most earthquake damages of masonry structure building were cracks on walls: the most common damages were X-shaped cracks on walls under or between windows(outer longitudinal) and incline cracks along corners of opening for doors and windows, then X-shaped, incline cracks on load bearing cross and inner longitudinal walls, also few horizontal and vertical cracks can be found. Considering the demand of ismic capability and reliability appraiment ,inspections were primarily carried out on structural measures of the mass structure. Compound ismic capability and reliability of building was appraid according to the results of first level appraiment, its performance in earthquake and values of strengthening .Strengthening of buildings damaged in earthquake must parate members to be repaired or strengthened according to their available bearing capacity; and also economic conditions and beauty appearance should be taken into consideration. All we do could be ud as a reference to ismic and reliability appraiment or strengthening design of buildings damaged in earthquake or ordinary ones.
Keywords: Wenchuan Earthquake, Masonry structure building, Seismic appraiment, Apprair of reliability, Seismic strengthening of building
销售业绩
1. INTRODUCTION
At 14:28pm on May 12 2008, a devastating earthquake (M8.0) stuck Sichuan, a province in southwest of China. mianzhu city, 35km to the epicenter (wenchuan country), is one of the regions which were most verely hit I the disaster. Most verely damaged or collapd buildings are of masonry structure. After the earthquake, we have appraid the ismic capability and reliability of buildings in Mianzhu, most of which are of masonry structure. In our paper, with a ca study we appraid, studies were carried out on the methods and items of ismic capability appraiment, bad on the investigation and analysis on earthquake damages of masonry structure buildings.
标准化车间
Safety appraiment of buildings damaged in the disaster mainly include: earthquake da
mages inspection and analysis, safety inspection, ismic appraiment and reliability appraiment. In our paper, referring to appraiment of a commercial-residential with typical earthquake damages, studies were carried out on the of safety inspection method, ismic appraiment process of masonry structure buildings bad on the investigation and analysis of its earthquake damages; also, the strengthening technology was discusd.
肥肠怎么做Commercial-Residential Building (No.2-C) of Knitting Mill in Jiannan town, Mianzhu city, a primer-frame masonry structure with 5 storeys (6 storeys partially) designed in 1999, was appraid into degrade C (moderate damaged) in Emergency Appraiment. Figturel shows the structural Plan of this building.
2. INSPECTION AND ANALYSIS ON EARTHQUAKE DAMAGES
Different from the appraiment of normal buildings, appraiment of damage buildings in earthquake-stricken areas must take earthquake damages and their effects on ismic capability and reliability into consideration. So, the buildings’ earthquake damages were i
nspected and analyzed before appraiment, and damage of the mass structure was classified into four levels: vere, moderate, slight damage and basically sound.
Earthquake damages of foundation can be reflected by cracks on walls caud by uneven ttlement, variation of the surrounding floor, incline of upper structure and their variation tendency. So, apprai foundation’s damage grades can be appraid by inspecting on items mentioned above.
>销售凭证
