钢筋工程量计算规则

videoconference Secretary of the provincial Committee of Xia Baolong stressed this year is the five water treatment 357 timetables for three years to resolve outstanding issues obviously worked victory of the year The County s departments at all levels must firmly establish the guanghui is gold and silver green development concept convinced that Castle is not relaxed always maintaining strategic ability and strong determination to improve the environment consistently playing well five water treatment of winning the war ever higher levels of comprehensive well off society was built A lay the sewage uphill battle This year we will river water quality improved at the county level up to five this basic objective grasp of pollution control that focus with the focus on three things a good job clear rivers reaching the County created Organization look back special inspection the County garbage River black and odorous River is Dragnet investigation timely rectification of problems found in place firmly to prevent river pollution rebound In accordance with the one stop strategy improving the inferior five water quality monitoring stations work this year to ensure the Elimination of 1 provincial control five water quality section 3 municipalities controlled deterioration ensure the creation this year of clear rivers standards Second pay special attention to pollution cutting construction of nanotubes Intercepting nanotubes are the basis of pollution of water source engineering engineering matter of success or failure of water management Urban sewage treatment to improve effluent from sewage treatment rate running accuracy compliance requirement speed up the town s support network construction is focusing on nanotubes home last meters question Domestic sewage treatment in rural areas this year is the final year of the three year action determination to fight and the momentum around ending the battle on which fully to ensure the realization of all County 648 formed village coverage Also be sure to attach importance to focus on rural domestic wastewater treatment facility operation and management ensure that wastewater treatment facility up and running role play avoid the Sun problem Third pay special attention to the River Lake pond desilting operation Provinces now have focused on pollution control of water go to dig up mud as the deepening water of this year s plays Next to jump start an investigation line touches work implementation plan according to the priorities and the programme of work in accordance with the one river one policy requires detailed cleaning dredging plan planning ahead of time cleaning out mud way out according to local conditions to do sludge promote scientific resource utilization of silt and mud B the heavy regulation of heavily polluting industries Pollution of water must grab the source wastewater is primarily the source of backward production capacity increase the intensity of treatment of heavily polluting industries According to municipal and municipal government deployment of seven big heavy pollution industry regulation three years action plans requirements to December 2016 end of Qian all included shut stopped eliminated of enterprise all shut stopped eliminated in place June 30 2017 Qian all included place regulation upgrade and agglomeration restructuring of enterprise by unified standard regulation in place late not standard of enterprise are implementation discontinued June 30 2018 Qian all intends Park production of enterprise relocation Park in place late not Park of are discontinued In the process of renovation will focus on four aspects to firmly close the high energy consumption and heavy pollution hopeless enterprise governance and production lines eliminated a number of yearly emission intensity low value added products of backward production capacity Second we must strictly enforce the space total project Trinity environment access system promoting industry access and environmental conditions of access of enterprises to the Park industrial park in principle no longer the class on the new project Thirdly promoting replacement and reconstruction of heavily polluting industries mergers and reorganizations guide enterprises to energy conservation recycling and low carbon and clean production and improve the level of green development Four to establish a long term supervision mechanism increase the intensity of special inspections investigate and punish the rectification is not in place normal business of running anti pollution installations do not Iii linkage to promote flood control water drainage water supply improving water saving Speed up cross Yang support river dike reinforcement and along Pu seawall except insurance reinforcement and Lake Qian sluice and BA Cao sluice and cloud cover reservoir focus flood control drainage engineering construction vigorously implementation strong library solid di spread row engineering increased geological disaster hidden points governance efforts solid advance small basin torrent disaster governance efforts from essentially solution basin sex and regional flood control drainage capacity insufficient of problem Vigorously implement the piers algae and other water sources protection and promoting rural drinking water safety projects setting up water pricing reform and environmental protection mechanism guiding water depth Further soil pollution and repair strengthen agricultural non point source pollution prevention mountain water forests fields lakes various elements mutual long Four manage to tighten control to play three to split battle Xia Baolong Secretary of provincial party Committee stressed that while the three to split operation time is over three years but three to split must continue to catch on and resolve a split cannot be changed All localities and departments to the village and no unauthorised created 钢筋工程量计算规则钢筋工程量计算规则 一 钢筋工程量计算规则 1 钢筋工程 应区别现浇 预制构件 不同钢种和规格 分别按设计长度乘以单位重量 以吨计算 2 计算钢筋工程量时 设计已规定钢筋塔接长度的 按规定塔接长度计算 设计未规定塔 接长度的 已包括在钢筋的损耗率之内 不另计算塔接长度 钢筋电渣压力焊接 套筒挤 压等接头 以个计算 3 先张法预应力钢筋 按构件外形尺寸计算长度 后张法预应力钢筋按设计图规定的预应 力钢筋预留孔道长度 并区别不同的锚具类型 分别按下列规定计算 1 低合金钢筋两端采用螺杆锚具时 预应力的钢筋按预留孔道长度减 0 35m 螺杆另行计 算 2 低合金钢筋一端采用徽头插片 另一端螺杆锚具时 预应力钢筋长度按预留孔道长度 计算 螺杆另行计算 3 低合金钢筋一端采用徽头插片 另一端采用帮条锚具时 预应力钢筋增加 0 15m 两 端采用帮条锚具时预应力钢筋共增加 0 3m 计算 4 低合金钢筋采用后张硅自锚时 预应力钢筋长度增加 0 35m 计算 5 低合金钢筋或钢绞线采用 JM XM QM 型锚具孔道长度在 20m 以内时 预应力钢筋 长度增加 lm 孔道长度 20m 以上时预应力钢筋长度增加 1 8m 计算 6 碳素钢丝采用锥形锚具 孔道长在 20m 以内时 预应力钢筋长度增加 lm 孔道长在 20m 以上时 预应力钢筋长度增加 1 8m 7 碳素钢丝两端采用镦粗头时 预应力钢丝长度增加 0 35m 计算 二 各类钢筋计算长度的确定 钢筋长度 构件图示尺寸 保护层总厚度 两端弯钩长度 图纸注明的搭接长度 弯起钢 筋斜长的增加值 式中保护层厚度 钢筋弯钩长度 钢筋搭接长度 弯起钢筋斜长的增加值以及各种类型钢 筋设计长度的计算公式见以下 1 钢筋的砼保护层厚度 受力钢筋的砼保护层厚度 应符合设计要求 当设计无具体要求时 不应小于受力钢筋直 径 并应符合下表的要求 videoconference Secretary of the provincial Committee of Xia Baolong stressed this year is the five water treatment 357 timetables for three years to resolve outstanding issues obviously worked victory of the year The County s departments at all levels must firmly establish the guanghui is gold and silver green development concept convinced that Castle is not relaxed always maintaining strategic ability and strong determination to improve the environment consistently playing well five water treatment of winning the war ever higher levels of comprehensive well off society was built A lay the sewage uphill battle This year we will river water quality improved at the county level up to five this basic objective grasp of pollution control that focus with the focus on three things a good job clear rivers reaching the County created Organization look back special inspection the County garbage River black and odorous River is Dragnet investigation timely rectification of problems found in place firmly to prevent river pollution rebound In accordance with the one stop strategy improving the inferior five water quality monitoring stations work this year to ensure the Elimination of 1 provincial control five water quality section 3 municipalities controlled deterioration ensure the creation this year of clear rivers standards Second pay special attention to pollution cutting construction of nanotubes Intercepting nanotubes are the basis of pollution of water source engineering engineering matter of success or failure of water management Urban sewage treatment to improve effluent from sewage treatment rate running accuracy compliance requirement speed up the town s support network construction is focusing on nanotubes home last meters question Domestic sewage treatment in rural areas this year is the final year of the three year action determination to fight and the momentum around ending the battle on which fully to ensure the realization of all County 648 formed village coverage Also be sure to attach importance to focus on rural domestic wastewater treatment facility operation and management ensure that wastewater treatment facility up and running role play avoid the Sun problem Third pay special attention to the River Lake pond desilting operation Provinces now have focused on pollution control of water go to dig up mud as the deepening water of this year s plays Next to jump start an investigation line touches work implementation plan according to the priorities and the programme of work in accordance with the one river one policy requires detailed cleaning dredging plan planning ahead of time cleaning out mud way out according to local conditions to do sludge promote scientific resource utilization of silt and mud B the heavy regulation of heavily polluting industries Pollution of water must grab the source wastewater is primarily the source of backward production capacity increase the intensity of treatment of heavily polluting industries According to municipal and municipal government deployment of seven big heavy pollution industry regulation three years action plans requirements to December 2016 end of Qian all included shut stopped eliminated of enterprise all shut stopped eliminated in place June 30 2017 Qian all included place regulation upgrade and agglomeration restructuring of enterprise by unified standard regulation in place late not standard of enterprise are implementation discontinued June 30 2018 Qian all intends Park production of enterprise relocation Park in place late not Park of are discontinued In the process of renovation will focus on four aspects to firmly close the high energy consumption and heavy pollution hopeless enterprise governance and production lines eliminated a number of yearly emission intensity low value added products of backward production capacity Second we must strictly enforce the space total project Trinity environment access system promoting industry access and environmental conditions of access of enterprises to the Park industrial park in principle no longer the class on the new project Thirdly promoting replacement and reconstruction of heavily polluting industries mergers and reorganizations guide enterprises to energy conservation recycling and low carbon and clean production and improve the level of green development Four to establish a long term supervision mechanism increase the intensity of special inspections investigate and punish the rectification is not in place normal business of running anti pollution installations do not Iii linkage to promote flood control water drainage water supply improving water saving Speed up cross Yang support river dike reinforcement and along Pu seawall except insurance reinforcement and Lake Qian sluice and BA Cao sluice and cloud cover reservoir focus flood control drainage engineering construction vigorously implementation strong library solid di spread row engineering increased geological disaster hidden points governance efforts solid advance small basin torrent disaster governance efforts from essentially solution basin sex and regional flood control drainage capacity insufficient of problem Vigorously implement the piers algae and other water sources protection and promoting rural drinking water safety projects setting up water pricing reform and environmental protection mechanism guiding water depth Further soil pollution and repair strengthen agricultural non point source pollution prevention mountain water forests fields lakes various elements mutual long Four manage to tighten control to play three to split battle Xia Baolong Secretary of provincial party Committee stressed that while the three to split operation time is over three years but three to split must continue to catch on and resolve a split cannot be changed All localities and departments to the village and no unauthorised created 钢筋的砼保护层厚度 mm 砼强度等级 环境条件构件名称 低于 C25C25 及 C30高于 C30 板 墙 壳15室内正常 环境梁 柱25 板 墙 壳352515 露天或室内高湿度环境 梁 柱453525 35 有垫层 无垫层 基础 70 注 1 轻骨料砼的钢筋的保护层厚度应符合国家现行标准 轻骨料砼结构设计规程 2 处于室内正常环境由工厂生产的预制构件 当砼强度等级不低于 C20 且施工质量 有可靠保证时 其保护层厚度可按表中规定减少 5mm 但预制构件中的预应力钢筋的保护 层厚度不应小于 15mm 处于露天或室内高湿度环境的预制构件 当表面另作水泥砂浆抹 面且有质量可靠保证措施时其保护层厚度可按表中室内正常环境中的构件的保护层厚度数 值采用 3 钢筋砼受弯构件 钢筋端头的保护层厚度一般为 10mm 预制的肋形板 其主肋 的保护层厚度可按梁考虑 4 板 墙 壳中分布钢筋的保护层厚度不应小于 10mm 梁 柱中的箍筋和构造钢 筋的保护层厚度不应小于 15mm 2 钢筋的弯钩长度 级钢筋末端需要做 1800 1350 900 弯钩时 其圆弧弯曲直径 D 不应小于钢筋直径 d 的 2 5 倍 平直部分长度不宜小于钢筋直径 d 的 3 倍 HRRB335 级 HRB400 级钢筋的 弯弧内径不应小于钢筋直径 d 的 4 倍 弯钩的平直部分长度应符合设计要求 如下图所示 1800 的每个弯钩长度 6 25 d d 为钢筋直径 mm videoconference Secretary of the provincial Committee of Xia Baolong stressed this year is the five water treatment 357 timetables for three years to resolve outstanding issues obviously worked victory of the year The County s departments at all levels must firmly establish the guanghui is gold and silver green development concept convinced that Castle is not relaxed always maintaining strategic ability and strong determination to improve the environment consistently playing well five water treatment of winning the war ever higher levels of comprehensive well off society was built A lay the sewage uphill battle This year we will river water quality improved at the county level up to five this basic objective grasp of pollution control that focus with the focus on three things a good job clear rivers reaching the County created Organization look back special inspection the County garbage River black and odorous River is Dragnet investigation timely rectification of problems found in place firmly to prevent river pollution rebound In accordance with the one stop strategy improving the inferior five water quality monitoring stations work this year to ensure the Elimination of 1 provincial control five water quality section 3 municipalities controlled deterioration ensure the creation this year of clear rivers standards Second pay special attention to pollution cutting construction of nanotubes Intercepting nanotubes are the basis of pollution of water source engineering engineering matter of success or failure of water management Urban sewage treatment to improve effluent from sewage treatment rate running accuracy compliance requirement speed up the town s support network construction is focusing on nanotubes home last meters question Domestic sewage treatment in rural areas this year is the final year of the three year action determination to fight and the momentum around ending the battle on which fully to ensure the realization of all County 648 formed village coverage Also be sure to attach importance to focus on rural domestic wastewater treatment facility operation and management ensure that wastewater treatment facility up and running role play avoid the Sun problem Third pay special attention to the River Lake pond desilting operation Provinces now have focused on pollution control of water go to dig up mud as the deepening water of this year s plays Next to jump start an investigation line touches work implementation plan according to the priorities and the programme of work in accordance with the one river one policy requires detailed cleaning dredging plan planning ahead of time cleaning out mud way out according to local conditions to do sludge promote scientific resource utilization of silt and mud B the heavy regulation of heavily polluting industries Pollution of water must grab the source wastewater is primarily the source of backward production capacity increase the intensity of treatment of heavily polluting industries According to municipal and municipal government deployment of seven big heavy pollution industry regulation three years action plans requirements to December 2016 end of Qian all included shut stopped eliminated of enterprise all shut stopped eliminated in place June 30 2017 Qian all included place regulation upgrade and agglomeration restructuring of enterprise by unified standard regulation in place late not standard of enterprise are implementation discontinued June 30 2018 Qian all intends Park production of enterprise relocation Park in place late not Park of are discontinued In the process of renovation will focus on four aspects to firmly close the high energy consumption and heavy pollution hopeless enterprise governance and production lines eliminated a number of yearly emission intensity low value added products of backward production capacity Second we must strictly enforce the space total project Trinity environment access system promoting industry access and environmental conditions of access of enterprises to the Park industrial park in principle no longer the class on the new project Thirdly promoting replacement and reconstruction of heavily polluting industries mergers and reorganizations guide enterprises to energy conservation recycling and low carbon and clean production and improve the level of green development Four to establish a long term supervision mechanism increase the intensity of special inspections investigate and punish the rectification is not in place normal business of running anti pollution installations do not Iii linkage to promote flood control water drainage water supply improving water saving Speed up cross Yang support river dike reinforcement and along Pu seawall except insurance reinforcement and Lake Qian sluice and BA