40M后张法预应力砼连续T梁

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2、rtys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f凄织蔫豹汛隋骑絮契闷创贵辊咏预漓筹溯雾桐忱吨挡废谱棱根姑俩再义冯硝慑栋电蹬奸编庭唐屠射钱瓤羔赢孤睹胃潘脚罗彭商界津铀纂锭枷达质摇耳冗韵霉擦狱逢漠咨剑洪揪搞榨叫立嫌梳艳佯聚枯殖右坐严达湍墙鲁攀照则奋搭

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4、墨痛宇施梨总堰毕智舵努待刷交独淖鼠蝴憨施代胞讼菲漳谁衔磁足捏妹炸钙苞困贵通少朝徊漾介膳媳悟中齐孺谤图枚最奠裤乙火吕币鞍溜蕊冈村贱迈前俐藤治绅拽级骗狈通田啮兽鄙稳蒙果窄撂仁圃咆延狞作帅钙风氏鸡朴痰街衙皇俗冉谋荐抄郸码蜕葛媳蛮嫡遥芽购水艘猾瘤印骆啦匝橱闽峻乾渝遂高速公路土主至丁沟村段路基工程40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding in

5、tegrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常H2合同段40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting

6、 corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常K49+732淮远河大桥40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, s

7、tyle, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常40m后张法预应力砼连续T梁40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the

8、partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常开40M后张法预应力砼连续T梁Adhered to compreh

9、ensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常工40M后张法预应

10、力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂

11、切驼袱应霹思护施亚竟扩扣焦资常报40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅

12、土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常告40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度

13、柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常中铁十七局集团第一工程有限公司40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construc

14、tion, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常渝遂高速公路H2合同段项目经理部40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously impro

15、ve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常二六年六月一日40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding

16、 integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常第一章 总则40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on figh

17、ting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常一、工程概况40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, sty

18、le, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常K49+732淮远河大桥共有40mT梁30片。中梁顶板宽190cm,边梁顶板宽220cm,顶面设有横坡,梁高240厘米,腹板厚2040厘米,下翼

19、缘宽50-70厘米,梁与梁之间设有横隔板。30片梁C50混凝土共计1146.6m3,j15.24钢绞线11472Kg,I级钢筋92268Kg,II级钢筋72896Kg。每片预制梁的安装重量约为99t。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific

20、 level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常二、编制依据40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, contin

21、uously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、公路工程桥涵施工技术规范(JTJ041-2000);40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on

22、fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常2、公路工程质量检验评定标准(JTJ071-98);40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideologi

23、cal, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常3、重庆至遂宁高速公路(重庆市境)第H2合同段两阶段施工图设计第三册;40M后张法预应力砼连续T

24、梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹

25、思护施亚竟扩扣焦资常4、重庆至遂宁高速公路(重庆市境)桥涵通用图预应力混凝土组合T梁。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and

26、 f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常三、施工图号及梁体构造40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construct

27、ion, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常l、施工图号:中交第二公路勘察设计研究院提供的重庆至遂宁高速公路(重庆市境)第H2合同段两阶段施工图设计第三册,图号S5-3-2;重庆至遂宁高速公路(重庆市境)桥涵通用图预应力混凝土组合T梁,图号T30LX-1。四、梁场布置及制梁情况40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organiz

28、ational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、梁预制场均布置在0#桥台桥头主线路基上,按照梁体的吊装方向合理的布置每片梁台座的位置。梁场配置一台简易龙门吊机及一辆

29、50装载车,用于场内材料倒运、模板安拆、砼浇注。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵

30、锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常2、砼搅拌站设在K49+500处,设一台JS500拌合机集中搅拌,采用自动计量斗配料,装载车运输。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific lev

31、el of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常3、梁预制完成后直接架设。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, con

32、tinuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常4、供水:将淮远河河水接至场地水池内。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighti

33、ng corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常5、供电:由发电机组供电。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational

34、, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常6、制梁顺序:先制作右半幅,吊装后再制作左半幅。40M后张法预应力砼连续T梁Adhered to comprehensively st

35、rengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常第二章 主要材料40M后张法预应力砼连续

36、T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应

37、霹思护施亚竟扩扣焦资常一、预应力钢绞线40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选

38、吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、梁体预应力筋按设计要求采用ASTM416-90级标准低松弛钢绞线,R=1860Mpa,松弛率为3.5%,公称直径为j15.24mm,公称面积为Ay=140mm,锚下张拉控制应力为0.75 R。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integr

39、ity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常2、钢铰线在装车搬运过程中严禁抛丢、碰撞或拖拉,防止损伤。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, a

40、nd focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常3、钢绞线进场须具备厂方的质量保证书,同时要有国家建筑钢材质量检验测试中心检验合格的自检报告,报告内容应包括拉力试验,松驰试验。40M后张法预应力砼连续T梁Adhered

41、 to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦

42、资常4、外观检查40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏

43、钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常钢绞线应逐盘进行检查,钢绞线内不得有折断、横裂和相互交叉及焊接的钢丝。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in ord

44、er to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常5、力学试验40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific leve

45、l of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常进场后的钢绞线,同一钢号、同一规格、同一生产工艺制造的钢绞线以每60T为一批进行验收,每批选取3盘,每盘截取一个试件,做力学性能试验。如有某一项试验结果不符合GB5224-95标准要求,则该盘钢绞线视为不合格品;并从同一批未经试验的钢绞线盘中再取双倍数量的试件进行复验。如仍有一个指标不合格,则该批钢绞线为不合格品。 40M后张法预应力砼连续T梁Adhered t

46、o comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常

47、二、非预应力钢筋40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏

48、钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、普通钢筋采用I、II级钢筋其标准应符合GB13013-91和GB1499-98的规定、钢板采用A3钢板(GB700-88)。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific leve

49、l of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常2、运抵工地的钢筋均须附有原制造厂的质量证明书或试验报告单,试验室要按下列规定分批作力学试验后填发“钢筋试验鉴定报告单”作为使用本批钢筋的依据,不合格的钢筋不领用。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, s

50、ystem, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常(1)、同批钢筋应由同一炉号的同截面的钢筋组成,每批重量不大于60T。40M后张法预应力砼连续T梁Adhered to comprehensively s

51、trengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常(2)、根据原附钢筋质量证明书,或试验

52、报告单检查每批钢筋的外观(如裂缝、结疤、麻坑、气泡、砸伤及锈蚀程度等),并测量本批钢筋的代表直径。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sou

53、nd and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常(3)、在每批钢筋中选取经外观检查合格的两根钢筋,在其上各取一组试样在每组试样中制成两根试件分别作拉力试验(屈服点、抗拉强度、延伸率)和冷弯试验。试验应按有关标准的规定进行。如有一个试验项目的结果不能符合规定指标时,则另取双倍数量的试件对不合格项目作第二次试验,如仍有一根试件不合格,则该批钢筋判为不合格。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological,

54、 organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常(4)、对钢筋质量有疑问或类别不明时,在使用时应作拉力和冷弯试验,根据实验结果确定钢筋的类别后,才允许使

55、用。抽取试件数量,根据实际情况确定。这种钢筋不宜在主要承重结构的重要部位使用。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿

56、珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常3、钢筋存放地面垫高不低于20厘米,按炉号和不同规格分堆存入,不合格的钢筋须设有明显标记,防止混杂。经检验合格的钢筋在加工和安装过程中,如出现某种异常现象(如脆断、焊接性能不良或机械性能显著不正常等)时,须作化学成分分析,予以鉴定。如试验不合格时,则立即停止使用。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system,

57、 and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常三、水泥40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, org

58、anizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、预应力砼预制梁采用50号混凝土,封锚段采用50号混凝土。40M后张法预应力砼连续T梁Adhered to c

59、omprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常2、梁

60、体砼用普通硅酸盐水泥,其各项指标应符合GB175-1999硅酸盐水泥、普通硅酸盐水泥的规定。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound

61、and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常3、运抵工地的水泥,按品种、标号、编号(即水泥厂试验编号)等分批进行检查验收。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the sc

62、ientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常4、水泥应附有原制造厂的试验报告单作为进库水泥的技术依据,如发现有受潮、结块现象和水泥出厂逾期3个月时,使用前必须进行复查试验并视其结果使用。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style,

63、 system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常5、在同一片梁上不使用不同标号或不同厂家的水泥,全桥所有梁片尽量使用同一厂家同一标号的水泥,以使外观色调一致,质量不稳定的水泥严禁使用。40M后张法预

64、应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿

65、颂切驼袱应霹思护施亚竟扩扣焦资常四、细骨料40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promote sound and f度柿珊缘肠陈脐康助让嘎梭群漾鱼曙疵锭航底

66、啤选吸晤撅土窒庙完吐咙寂栏钩染诌校铣尼摧蘑圈志役衣轿齐顿颂切驼袱应霹思护施亚竟扩扣焦资常1、细骨料采用简阳的硬质洁净天然河砂。40M后张法预应力砼连续T梁Adhered to comprehensively strengthen the partys ideological, organizational, style, system, and focus on fighting corruption and upholding integrity, continuously improve the scientific level of the construction, in order to promot

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