翔雨lollipop
1 中级工程师 Intermediate Engineer2 造价工程师Cost Engineer 3 执业资格证书Registered Qualification Certificate 4 国家注册一级建造师证书Registered Certificate of Constructor The People’s Republic of China 简称为 RCCPRC 5 施工图纸Construction Drawings 6 土建投资Civilwork Investment 7 预应力钢筋混凝土结构(后张法) Pre-stressed Reinforced Concrete Structure(Post Tensioning Method)8 建筑物抗震等级为四级Earthquake-proof strength of buildings are categorized into 4 levels. 9 胶粉聚苯颗粒保温砂浆外墙粉刷及面砖饰面层Adhesive Polystyrene Granule and Insulation Mortar Stucco and Facing Brick Finishing或Adhesive Polystyrene Granule and Insulation Mortar External Rendering and Facing Brick Finishing 10 保温与节能型建筑Thermal-insulating and Energy-saving Buildings或Heat-and-energy-preservation Buildings
huangxinru7
This building can be resistant to 9-magnitude earthquake参照下文句子:The 7.8-magnitude earthquake struck off New Zealand's western coast Wednesday, generating a small tsunami. No injuries or major damage were reported.
盛开的七月
LaE是抗震锚固长度。 LaE=ζaE La。式中: LaE——抗震锚固长度; ζaE——抗震锚固长度修正系数,对一、二级抗震等级取1.15,对三级抗震等级取1.05,对四级抗震等级取1.00 ; La——受拉钢筋锚固长度。
xulisha0221
钢筋搭接LaE:La就是钢筋锚固长度,英文首写字母,长度(Lengt),锚固(Anchor),如果再加个E(地震Earthquake)就是抗震锚固长度。 一、二级抗震等级laE=1.15la三级抗震等级laE=1.05la四级抗震等级laE=la混凝土结构设计规范第11.1.7条有抗震设防要求的混凝土结构构件,其纵向受力钢筋的锚固和连接接头除应符合本规范第9.3节和第9.4节的有关规定外,尚应符合下列要求:1、纵向受拉钢筋的抗震锚固长度laE应按下列公式计算:一、二级抗震等级laE=1.15la三级抗震等级laE=1.05la四级抗震等级laE=la2、当采用搭接接头时,纵向受拉钢筋的抗震搭接长度llE应按下列公式计算:llE=ζlaEζ--纵向受拉钢筋搭接长度修正系数,按本规范第9.4.3条确定。3钢筋混凝土结构构件的纵向受力钢筋的连接可分为两类:绑扎搭接;机械连接或焊接。宜按不同情况选用合适的连接方式;4纵向受力钢筋连接接头的位置宜避开梁端、柱端箍筋加密区;当无法避开时,应采用满足等强度要求的高质量机械连接接头,且钢筋接头面积百分率不应超过50%。【例】钢筋种类:HRB400、公称直径28,混凝土强度等级:C30,抗震等级:一、二级,求受拉钢筋抗震锚固长度?解:因La=ζaLab,用La代入计算公式:LaE=ζaELa=ζaE ζaLab式中的ζaE×35d=1.15×35d=40d 即查表受拉钢筋抗震锚固长度40d。则LaE=ζa×40d=1.1×40×28=1232㎜。(因查受拉钢筋抗震锚固长度修正系教ζa得1.10)。