The invention discloses a construction system of Bailey beam bracket for cast-in-situ beam of high pier group with small radius, including a front bracket, which is arranged on both sides of the pier top along the bridge, the upper interface of the front bracket is anchored to the pier body by a pair of pull screw, the lower interface of the front bracket is connected to the pre-embedded plate of the pier body, the front bracket is provided with a sand box, the sand box is connected to the supporting cross beam, and the top of the supporting cross beam is provided with a protrusion structure Side bracket is located on both sides of the pier top cross bridge without cover beam, and side bracket is connected with the embedded plate of pier body. The side bracket is equipped with sand box two and sand box two connected with supporting cross beam two; cantilever beam is located on both sides of the pier top cross bridge with cover beam, cantilever beam is anchored on the pier top, cantilever beam is suspended to support cross beam one; Bailey beam, adjacent pier corresponds to supporting cross beam one and supporting cross beam two are separated. Bailey beam, each span of Bailey beam with equal longitudinal spacing allocation beam; Pre-camber adjustment system, including variable cross-section square wood, its radian value adapts to the design of pre-camber value, square wood is set on the allocation beam, square wood is set on the allocation beam, casting bottom mold.
【技术实现步骤摘要】
一种高墩群小半径曲线现浇梁贝雷梁支架施工体系
本专利技术涉及桥梁施工领域,特别涉及一种高墩群小半径曲线现浇梁贝雷梁支架施工体系。
技术介绍
现有高墩群小半径大横坡曲线现浇梁的施工方法主要有:1、采用原地面设置落地钢管立柱后再搭设贝雷梁和钢管支架施工体系,这种支架施工体系一般用于场地条件较好、基础处理简单且墩高≤40m的高墩小半径现浇梁施工中,其对场地要求极高,施工工艺复杂,施工安全控制难度极大、机械利用率低、施工速度慢;2、采用满堂支架施工体系,这种支架施工体系一般用于场地平坦、地面基础承载力较好、高度≤20m较低墩身的小半径现浇梁施工中,其对场地要求极高,适用的墩身高度较低。
技术实现思路
本专利技术的目的在于克服现有技术中所存在的现有移动模架、挂篮悬灌、落地支架无法实现高墩小半径大横坡的曲线现浇梁施工的上述不足,提供一种高墩群小半径曲线现浇梁贝雷梁支架施工体系。为了实现上述专利技术目的,本专利技术提供了以下技术方案:一种高墩群小半径曲线现浇梁贝雷梁支架施工体系,包括:若干个正面托架,设于墩顶顺桥向的两侧,每个所述正面托架上接口采用对拉螺杆锚固于墩身上,每个所述正面托架下接口连接于墩身预埋板上,每个所述正面托架上设有砂箱一,墩顶顺桥向每侧的所有所述砂箱一上连接一个支撑横梁一,每个所述支撑横梁一顶部设有突起结构件;若干个侧面托架,设于无盖梁墩顶横桥向的两侧,每个所述侧面托架连接于墩身预埋板上,每个所述侧面托架上设有至少两个砂箱二,每个所述侧面托架对应的所有所述砂箱二上连接一个支撑横梁二;若干个悬挑梁,设于有盖梁墩顶横桥向的两侧,每个所述悬挑梁锚固于墩顶,且平行 ...
【技术保护点】
1.一种高墩群小半径曲线现浇梁贝雷梁支架施工体系,其特征在于,包括:若干个正面托架(1),设于墩顶顺桥向的两侧,每个所述正面托架(1)上接口采用对拉螺杆锚固于墩身上,每个所述正面托架(1)下接口连接于墩身预埋板上,每个所述正面托架(1)上设有砂箱一(11),墩顶顺桥向每侧的所有所述砂箱一(11)上连接一个支撑横梁一(4),每个所述支撑横梁一(4)顶部设有突起结构件(41);若干个侧面托架(2),设于无盖梁墩顶横桥向的两侧,每个所述侧面托架(2)连接于墩身预埋板上,每个所述侧面托架(2)上设有至少两个砂箱二(21),每个所述侧面托架(2)对应的所有所述砂箱二(21)上连接一个支撑横梁二(5);若干个悬挑梁(3),设于有盖梁墩顶横桥向的两侧,每个所述悬挑梁(3)锚固于墩顶,且平行所述正面托架(1)设置,每个所述悬挑梁(3)悬吊对应一侧所述正面托架(1)支撑的所述支撑横梁一(4);若干个贝雷梁(6),相邻桥墩对应的所述支撑横梁一(4)和对应的所述支撑横梁二(5)上间隔设置若干个所述贝雷梁(6),箱梁腹板下方设置至少三个所述贝雷梁(6),桥墩顺桥向两侧对齐的所有所述贝雷梁(6)通过墩旁连接件( ...
【技术特征摘要】
1.一种高墩群小半径曲线现浇梁贝雷梁支架施工体系,其特征在于,包括:若干个正面托架(1),设于墩顶顺桥向的两侧,每个所述正面托架(1)上接口采用对拉螺杆锚固于墩身上,每个所述正面托架(1)下接口连接于墩身预埋板上,每个所述正面托架(1)上设有砂箱一(11),墩顶顺桥向每侧的所有所述砂箱一(11)上连接一个支撑横梁一(4),每个所述支撑横梁一(4)顶部设有突起结构件(41);若干个侧面托架(2),设于无盖梁墩顶横桥向的两侧,每个所述侧面托架(2)连接于墩身预埋板上,每个所述侧面托架(2)上设有至少两个砂箱二(21),每个所述侧面托架(2)对应的所有所述砂箱二(21)上连接一个支撑横梁二(5);若干个悬挑梁(3),设于有盖梁墩顶横桥向的两侧,每个所述悬挑梁(3)锚固于墩顶,且平行所述正面托架(1)设置,每个所述悬挑梁(3)悬吊对应一侧所述正面托架(1)支撑的所述支撑横梁一(4);若干个贝雷梁(6),相邻桥墩对应的所述支撑横梁一(4)和对应的所述支撑横梁二(5)上间隔设置若干个所述贝雷梁(6),箱梁腹板下方设置至少三个所述贝雷梁(6),桥墩顺桥向两侧对齐的所有所述贝雷梁(6)通过墩旁连接件(61)连接于桥墩,每跨所有所述贝雷梁(6)连接成整体,沿每跨所有所述贝雷梁(6)的纵向等间距设置若干个分配梁(7);预拱度调节系,包...
【专利技术属性】
技术研发人员:刘预保,何开伟,黄钢,游义金,
申请(专利权)人:中铁二局集团有限公司,中铁二局第四工程有限公司,
类型:发明
国别省市:四川,51
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