Report from our correspondent (reporter Wu Peng) new castigatory ” build aseismatic appraisal standard ” will carry out formally on July 1, concerned expert expresses yesterday, the personnel such as school dining room,ugg outlet, dormitory is concentrated place, will according to key fortify kind aseismatic standard appraisal. Before this, only education building belongs to key fortify cavalcade inside school. In addition, building of education of bricky build by laying bricks or stones will be restricted 4 tall.
Standard of appraisal of 30 years old of buildings rises 10 years
In the new standard that establishs by housing and ministry of urban and rural construction, reduce of target of aseismatic to having architectural fortify, “Small shake is not bad, shake can be repaired in, big shock does not fall ” . The standard basically drafts person, China to build explanation of change of carry on of Cheng of scientific academy assistant chief engineer to say, through the building of aseismatic appraisal consolidate, when sufferring small shock, not be damaged bad commonly or do not need to repair can continue to use; When the shake in sufferring, likelihood craze, but still can continue to use via be repaired commonly or needing to repair; When sufferring big shock, do not cause collapse or produce those who endanger life to play havoc with.
Cheng Shaoge introduces,ghd usa, gave out May solicit the house that before 80 time reach the century on draft requirement, the opinion builds, the follow-up use fixed number of year after appraisal is 30 years, and in final version, this kind of building asks at least sequel uses 40 years.
Occupy standard requirement additionally, reasonable use fixed number of year is the house that 90 time design builds the century on at least 40 years, the house that the design builds after 2001 is 50 years.
Key fortify kind floor of bricky build by laying bricks or stones is top 5
Intensity of fortify of Beijing area earthquake is 8 degrees, according to standard requirement, below this one intensity, regard national construction project as aseismatic fortify second kind building, the place such as the school, hospital, press key fortify kind appraisal building, should press 9 degrees of fortify.
Cheng Shaoge says, according to ” 8 degrees ” requirement, structure of system of build by laying bricks or stones builds 6 at most, key fortify kind the building should be subtractive, and the structure of system of build by laying bricks or stones of so big like the school, hospital the standard width of a room in an old-style house, one wants to subtract again when construction, namely highest construction 4.
As we have learned, structure of system of build by laying bricks or stones includes the block construction of bricky structure, stone structure and other data. Cent is structure of system of the build by laying bricks or stones that do not have muscle and structure of system of build by laying bricks or stones matching veins that stand out under the skin.
■ dialog
“Be restricted 4 tall ” it is experience earning
The expert says, building of aseismatic unqualified education is transformed steel must be added to mix a wall in brick wall both sides
Why to ask building of education of structure of system of build by laying bricks or stones is restricted 4 tall, how to if exceed,improve again? Yesterday, our newspaper reporter interviewed a standard to basically draft person, China to build Cheng Shaoge of scientific academy assistant chief engineer with respect to these problems.
Old building must consolidate construction column
New capital signs up for: To old standard edit, is with short of Wenshui River school of plain ground epicenter damaged to be concerned badly?
Cheng Shaoge: Right in the past of education building aseismatic had taken seriously very much, after earthquake of plain of short of Wenshui River, the personnel such as student dormitory, dining room concentrated place, turn a key into fortify kind, such, the tectonic measure of the school is carried with respect to whole.
New capital signs up for: If why promote on the structure be if why promote on the structure,?
Cheng Shaoge: School of middle and primary school is structure of system of build by laying bricks or stones commonly (the house) that includes to use brick, stone and other data base to be together, old building does not have a requirement to tectonic column, press key fortify kind after aseismatic appraisal, be about to have tectonic post, if do not have, must consolidate.
“Little, ruinous different “
New capital signs up for: Since the structure promoted, why to ask to learn school, hospital in the standard such key fortify kind, when 8 degrees of fortify, build 4 at most?
Cheng Shaoge: Structure of system of build by laying bricks or stones is more inside the school,mens timberland boots, steel mixes a building less. This also is the lesson of experience of much teenager earthquake, little, ruinous different. The structure of system of build by laying bricks or stones that some build is built, also can accomplish 5, but taller to the setting requirement of tectonic column.
New capital signs up for: Outside removing experience cause, have quantified index?
Cheng Shaoge: We discover, in seismic area, same place, the building of body of build by laying bricks or stones of 6 structures is done not have bad, but the building of 8 structures is bad, this surveys the real experience that reach according to spot circumstance namely.
New capital signs up for: Does building of education of body of existing build by laying bricks or stones want unqualifiedly how to be transformed?
Cheng Shaoge: Transform go up to also can have a level, approve in the newspaper now. If exceeded number of plies, be about to be in original brick wall both sides, add ferroconcrete wall, the structure of so whole floor produced change actually.
Skyscraper is aseismatic respect demand is higher
New capital signs up for: If how want to build 10 education building to do?
Cheng Shaoge: Division of structure of system of build by laying bricks or stones is absolutely unallowed, but can use ferroconcrete structure.
New capital signs up for: Trade resembling a country 3 period such skyscraper, in aseismatic go up to ask specially?
Cheng Shaoge: Country trade 3 period those who use is armor plate is not reinforcing steel bar, when doing initial plan to design, had exceeded to countrywide freeboard be restricted committee undertakes checkup. According to common provision, in shake is OK craze, but country such freeboard builds trade, structure of key of the shake in asking also cannot craze, such demands are higher than congener building. Wu Peng of our newspaper reporter
■ sectional view
“Education building number of plies is not compulsive standard “
City teachs appoint the introduction, school building of middle and primary school is aseismatic the beard is tall for a time
Report from our correspondent (horsepower of Xin of Jiangyan of reporter Wang Jialin) as we have learned, this year Feburary, beijing teachs appoint already allotted an announcement, ask each middle and primary school entrusts professional orgnaization to have safe examination and identification to school building. Examination according to new castigatory ” build aseismatic fortify to classify a standard ” undertake, the school builds aseismatic fortify standard to want to build fortify intensity to rise commonly than place for a time.
City teachs appoint the introduction, at present the construction of school building of Beijing middle and primary school is to press ” building of middle and primary school designs a standard ” ask to undertake: Building of elementary school education should not exceed 4; Middle school, medium building of education of division, young division should not exceed 5. But this one requirement is not make compulsively, the school should be mixed according to various places climate the element such as geographical diversity, adjust measures to local conditions.
Beijing plans appoint express yesterday, current, ” Beijing builds aseismatic appraisal and consolidate technology regulations ” already examined through the expert, doing revise finally.