WO2019047304A1 - 一种悬臂挂篮施工的防护棚 - Google Patents

一种悬臂挂篮施工的防护棚 Download PDF

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Publication number
WO2019047304A1
WO2019047304A1 PCT/CN2017/105260 CN2017105260W WO2019047304A1 WO 2019047304 A1 WO2019047304 A1 WO 2019047304A1 CN 2017105260 W CN2017105260 W CN 2017105260W WO 2019047304 A1 WO2019047304 A1 WO 2019047304A1
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Prior art keywords
vertical
bottom pocket
cantilever
hanging basket
construction
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PCT/CN2017/105260
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English (en)
French (fr)
Inventor
朱秀青
伍志光
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朱秀青
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Application filed by 朱秀青 filed Critical 朱秀青
Publication of WO2019047304A1 publication Critical patent/WO2019047304A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/10—Cantilevered erection

Definitions

  • the utility model relates to a civil engineering cantilever construction, which spans the field of existing road safety protection facilities, and is a hanging cantilever pouring method for a continuous beam cross-road attached protection shed.
  • Cantilever-casting continuous beams are generally constructed by hanging baskets.
  • the general practice is to use a full-frame bracket or a pier-beam bracket as a protective shed.
  • the top surface of the protective shed is subjected to the upper construction. Falling objects, drainage.
  • Existing highways, national highways, and railways generally use protective scaffolding for the protection of existing lines.
  • the above traditional methods of safety protection include highways, national road closures, railroads, and the need to compress lane widths, forced speed limits, etc. Phenomenon, anti-collision measures are also required for the bracket.
  • the problem of safety protection to be solved by the utility model is to provide a continuous beam cross-road attached protective shed which is convenient to implement, high in efficiency, safe to use, low in cost and simple in structure. .
  • a shelter for constructing a cantilever hanging basket is designed, including a bottom pocket, a pole, a protective net and a beam bottom decoration platform; the bottom pocket is suspended and fixed on the hanging basket beam, and is in the cantilever hanging basket construction section operation It plays a role in the safety protection of the highway under the bridge.
  • the bottom pocket is provided with a reserved drain, and the drain is reserved to connect the drain hose.
  • the maintenance water and surface runoff are drained through the reserved drain and drain hose.
  • the roadway lane is eve, and the plane size of the bottom pocket exceeds the outer edge of the wing plates by 100cm.
  • the channel steel pole is welded to the vertical rib of the bottom pocket, and the vertical deviation of the pole is within 1%.
  • the lxlcm protective net is hung, and the top surface of the pole and the protective net is not less than 120cm;
  • the cantilever and the pier supporting the cantilever constitute a T-structure, and the hanging baskets on both sides of the pier are symmetrically displaced to maintain the balance of the load at both ends of the structure;
  • the cantilever and the pier supporting the cantilever constitute a ⁇ structure, when one side cantilever is set Hanging basket ⁇ , increase the weight at the other end of the raft to maintain the load balance at both ends of the ⁇ structure;
  • the bottom pocket is provided with a reserved drain, the drain is connected to the drain hose, and the maintenance water and surface runoff are reserved for drainage.
  • the mouth and the drainage hose are arranged outside the roadway lane; the bottom pocket is fixedly suspended on the hanging basket beam by the finishing rolled steel; the bottom pocket and the hanging basket beam are connected by twelve sets of finishing rolled steel; An insulating pad is placed on the bottom pocket to prevent electrical conduction; a warning light or a light strip is disposed on the outer surface of the protective shed or the circumference of the frame to achieve nighttime warning.
  • the continuous beam cross-road attached protective shed of the utility model does not need to be closed after crossing the expressway or the national highway, and the bottom pocket can be assembled in advance outside the road line boundary, and assembled in a cantilever hanging basket, the whole lifting can be Complete the safety protection work across the expressway and national highways, machinery and equipment do not need to enter the road driving range, and the simplification of the approval process is greatly simplified; the labor costs of workers are greatly reduced; the existing highways are greatly reduced. Interference, greatly reduce the safety risks of driving and brackets, greatly reduce the intensity of operation, and is more suitable for promotion.
  • the attached protective shed bottom pocket is assembled on the ground, and the overall hoisting adopts the finishing rolling rebar, which is safe and firm; the attached protective shed cantilevered front and the hanging basket back flaps are all in the protective shed. Safe and reliable; The attached protective shed removes the front poles and the protective nets, and only needs to alternately seal the lanes once.
  • FIG. 1 is a schematic view showing the structure of a continuous beam cross-road attached protective shed according to the present invention
  • FIG. 2 is a schematic view of a façade structure of the present invention
  • a shelter for cantilever hanging basket construction includes a bottom pocket 1, a pole 2, a protective net 3 and a beam bottom decoration platform 10; the bottom pocket 1 is suspended and fixed on the hanging basket beam 11
  • the cantilever and the pier supporting the cantilever constitute a ⁇ structure, and the hanging baskets on both sides of the pier are symmetrically displaced to maintain the ends of the structure Load-bearing balance; the cantilever and the pier supporting the cantilever constitute a T-structure.
  • the other end of the T-shaped structure is added with a weight to maintain the balance of the weight at both ends of the T-structure;
  • Port 7, the reserved drain port 7 is connected to the drain hose 8, and the maintenance water and surface runoff water are led out through the reserved drain port 7 and the drain hose 8 to the road lane;
  • the bottom pocket 1 passes through the finish rolling rebar 4
  • the suspension is fixedly suspended on the hanging basket beam 11; the bottom pocket 1 and the hanging basket beam 11 are connected by twelve sets of finishing rolled steel.
  • the cantilever hanging basket method casts the continuous beam across the highway, the national highway, and the railway. After the construction of the No. 0 section, the assembled with the hanging basket is assembled on the ground to assemble the bottom pocket 1, the reserved drain hole 7, and the beam bottom. Construction platform 10. After the basket is assembled, 4 sets of 20t chain hoists are used to lift the bottom pocket system 1 to the bottom of the hanging basket beam 11, and 12 sets of finishing rolled steel are used for connection, and the double fastening nut 5 is used for anchoring. The nut spacer 6 makes the anchor more secure.
  • the plane dimension of the bottom pocket 1 exceeds the beam end and the outer edge of the two side flaps is 100 cm.
  • the channel steel pole 2 is welded on the vertical rib of the bottom pocket, and the vertical deviation of the pole is 1 Within %, the angle mesh is fixed in the mesh format, and the right angle position is fixed by angle steel.
  • lxlcm protection net 3 the top surface of the pole and the protective net is not less than 120cm.
  • the bottom pocket 1 is provided with an insulating mat to prevent electrical conduction.
  • the outer surface of the protective shed or the circumference of the frame is provided with a warning light or a light strip to realize a nighttime construction warning, and the light or the light strip is connected to the power source through the wire.
  • the attached protective shed is attached to the hanging basket beam 11 during the traveling and retreating of the hanging basket to realize the safety protection of the existing road.
  • the continuous beam cross-road attached protective shed of the utility model does not need to be closed after crossing the expressway or the national highway, and the bottom pocket can be assembled in advance outside the road line boundary, and the cantilever hanging basket is assembled, and the whole lifting can complete the whole Safety protection work across highways and national highways, machinery and personnel do not need to enter the road driving range
  • the same has greatly simplified the examination and approval procedures; greatly reduced the cost of workers' work materials; greatly reduced the interference to existing roads, greatly reduced the safety risks of driving and brackets, and greatly reduced the operational intensity, which is more applicable. Promotion.
  • the utility model has a continuous beam across the road protection shed, which can effectively ensure the safety of the highway, the national road, the driving speed and the lane width, and is safer and more practical than the traditional safety protection method.
  • the attached protective shed bottom pocket 1 is assembled on the ground, and the overall hoisting adopts the finishing rolling rebar 4, which is safe and strong; the attached protective shed cantilevered front and the hanging basket back flaps are all in the protective shed. Safe and reliable
  • the attached protective shed is to remove the front pole 2, the protective net 3 ⁇ , only need to alternately seal the lane once.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

一种悬臂挂篮施工的防护棚，包括底兜(1)、立杆(2)、防护网(3)和梁底装修平台；所述底兜(1)悬挂固定在挂篮横梁(11)上，在悬臂挂篮施工节段作业当中起到对桥下高速公路行车的安全防护作用；所述底兜(1)设置预留排水口(7)，预留排水口(7)连接排水软管(8)，养护用水及地表径流水通过预留排水口(7)、排水软管(8)引排至公路行车道以外；底兜(1)平面尺寸超出两侧翼板外缘100cm，待底兜(1)锚定就位后，将槽钢立杆(2)焊接在底兜竖肋上，立杆垂直度偏差在1％以内，立杆网架焊接完成后挂1×1cm防护网(3)，立杆及防护网顶面高出梁面不小于120cm。

Description

一种悬臂挂篮施工的防护棚 技术领域
[0001] 本实用新型涉及土木工程悬臂施工吋跨越既有公路安全防护设施领域， 是一种 挂篮悬臂浇筑法连续梁跨公路附着式防护棚。
背景技术
[0002] 悬臂浇筑连续梁一般采用挂篮施工， 当跨越需要防护的高速公路、 国道、 铁路 既有线吋， 一般做法是满堂式支架或墩梁式支架做防护棚， 防护棚顶面承受上 部施工坠物、 排水。 现有高速公路、 国道、 铁路既有线行车防护一般采用防护 棚架， 以上传统的安全防护方法存在高速公路、 国道封道施工、 铁路既有线天 窗抢工， 需要压缩行车道宽度、 强制限速等现象， 对于支架也需要设置防撞措 施。 特别影响高速公路、 国道的通行质量， 方案期间评审、 认证耗吋较长， 拆 装过程中劳动强度大、 封道吋间长、 操作人员多、 设备及人员成本高等不足。 技术问题
[0003] 本实用新型要解决的安全防护问题就是提供了一种执行方便、 效率高、 使用安 全、 成本低且结构简单的连续梁跨公路附着式防护棚。 。
问题的解决方案
技术解决方案
[0004] 为了实现本实用新型目的连续梁跨公路附着式防护棚， 本实用新型解决其安全 防护问题是通过以下技术方案实现的：
[0005] 设计一种悬臂挂篮施工的防护棚， 包括底兜、 立杆、 防护网和梁底装修平台； 所述底兜悬挂固定在挂篮横梁上， 在悬臂挂篮施工节段作业当中起到对桥下高 速公路行车的安全防护作用， 所述底兜设置预留排水口， 预留排水口连接排水 软管， 养护用水及地表径流水通过预留排水口、 排水软管引排至公路行车道以 夕卜， 底兜平面尺寸超出两侧翼板外缘 100cm, 待底兜锚定就位后， 将槽钢立杆焊 接在底兜竖肋上， 立杆垂直度偏差在 1%以内， 立杆网架焊接完成后挂 lxlcm防 护网， 立杆及防护网顶面高出梁面不小于 120cm; [0006] 所述悬臂及支撑悬臂的墩组成 T构， 墩两侧挂篮对称移位， 以保持 Τ构两端负重 平衡； 所述悬臂及支撑悬臂的墩组成 τ构， 当一侧悬臂设置挂篮吋， Τ构另一端 增加配重， 以保持 τ构两端负重平衡； 所述底兜设置预留排水口， 预留排水口连 接排水软管， 养护用水及地表径流水通过预留排水口、 排水软管引排至公路行 车道以外； 所述底兜通过精轧螺纹钢固定悬挂在挂篮横梁上； 所述底兜与挂篮 横梁通过十二组精轧螺纹钢连接； 所述底兜铺设绝缘垫板， 以防止电传导； 所 述防护棚的外表面或框架周圈设置警示灯或灯带， 以实现夜间示警。
发明的有益效果
有益效果
[0007] 本实用新型的连续梁跨公路附着式防护棚的优点有效效果如下：
[0008] 1.本实用新型的连续梁跨公路附着式防护棚， 在跨越高速公路、 国道吋无需封 道， 可以预先在公路线界外拼装底兜， 在悬臂挂篮拼装吋， 整体吊装即可完成 整个跨高速公路、 国道的安全防护工作， 机械设备和人员无需进入公路行车范 围， 同吋大幅度简化了审批程序； 大幅度降低了工人工吋材料费用； 大幅度减 少了对既有公路的干扰， 大幅度降低行车和支架的安全风险， 大幅度降低操作 工作强度， 更加适用推广。
[0009] 2.本实用新型的连续梁跨公路防护棚， 可有效保证高速公路、 国道的行车安全 、 行车速度、 车道宽度， 较之传统安全防护方法更安全实用。
[0010] 3.所述附着式防护棚底兜地面组装， 整体吊装采用精轧螺纹钢， 安全结实； 所 述附着式防护棚悬臂合龙前、 挂篮后退吋翼腹板下落均在防护棚内， 安全可靠 ； 所述附着式防护棚在拆除正面立杆、 防护网吋， 只需交替封行车道一次。 对附图的简要说明
附图说明
[0011] 图 1为本实用新型的连续梁跨公路附着式防护棚结构示意图
[0012] 图 2为本实用新型的立面结构示意图
[0013] 图中： 1-底兜、 2-立杆、 3-防护网、 4-精轧螺纹钢、 5-紧固螺帽、 6-螺母垫块、 7-预留排水口、 8-排水软管、 9-吊绳、 10-梁底装修平台、 11-挂篮横梁。 实施该发明的最佳实施例
本发明的最佳实施方式
[0014] 如图所示， 一种悬臂挂篮施工的防护棚， 包括底兜 1、 立杆 2、 防护网 3和梁底 装修平台 10; 所述底兜 1悬挂固定在挂篮横梁 11上， 在悬臂挂篮施工节段作业当 中起到对桥下高速公路行车的安全防护作用； 所述悬臂及支撑悬臂的墩组成 τ构 ， 墩两侧挂篮对称移位， 以保持 τ构两端负重平衡； 所述悬臂及支撑悬臂的墩组 成 T构， 当一侧悬臂设置挂篮吋， T构另一端增加配重， 以保持 T构两端负重平衡 ； 所述底兜 1设置预留排水口 7， 预留排水口 7连接排水软管 8， 养护用水及地表 径流水通过预留排水口 7、 排水软管 8引排至公路行车道以外； 所述底兜 1通过精 轧螺纹钢 4固定悬挂在挂篮横梁 11上； 所述底兜 1与挂篮横梁 11通过十二组精轧 螺纹钢连接。
[0015] 悬臂挂篮法浇筑连续梁在跨越高速公路、 国道、 铁路既有线吋， 于 0号段施工 完毕后， 与挂篮拼装同步于地面拼装底兜 1、 预留排水口 7、 梁底装修平台 10。 待挂篮拼装完成， 采用 4台 20t手拉葫芦将底兜系统 1上提至挂篮横梁 11底下， 采 用十二组精轧螺纹钢进行连接， 并采用双紧固螺帽 5锚固， 通过使用螺母垫块 6 使得锚固更牢靠。
[0016] 底兜 1平面尺寸超出梁端、 两侧翼板外缘 100cm, 待底兜 1锚定就位后， 将槽钢 立杆 2焊接在底兜竖肋上， 立杆垂直度偏差在 1%内， 并采用角钢进行网格式固定 ， 直角位置采用角钢进行固定。 立杆网架焊接完成后挂 lxlcm防护网 3， 立杆及 防护网顶面高出梁面不小于 120cm。
[0017] 所述底兜 1铺设绝缘垫板， 以防止电传导。
[0018] 所述防护棚的外表面或框架周圈设置警示灯或灯带， 以实现夜间施工示警， 所 述灯或灯带通过导线连接电源。
[0019] 该附着式防护棚在挂篮的行进和后退过程中， 附着在挂篮横梁 11上， 实现对既 有公路的安全防护。
[0020] 本实用新型的连续梁跨公路附着式防护棚， 在跨越高速公路、 国道吋无需封道 ， 可以预先在公路线界外拼装底兜， 在悬臂挂篮拼装吋， 整体吊装即可完成整 个跨高速公路、 国道的安全防护工作， 机械设备和人员无需进入公路行车范围 ， 同吋大幅度简化了审批程序； 大幅度降低了工人工吋材料费用； 大幅度减少 了对既有公路的干扰， 大幅度降低行车和支架的安全风险， 大幅度降低操作工 作强度， 更加适用推广。
[0021] 实用新型的连续梁跨公路防护棚， 可有效保证高速公路、 国道的行车安全、 行 车速度、 车道宽度， 较之传统安全防护方法更安全实用。
[0022] 所述附着式防护棚底兜 1地面组装， 整体吊装采用精轧螺纹钢 4， 安全结实； 所 述附着式防护棚悬臂合龙前、 挂篮后退吋翼腹板下落均在防护棚内， 安全可靠
； 所述附着式防护棚在拆除正面立杆 2、 防护网 3吋， 只需交替封行车道一次。
[0023] 挂篮后退前， 必须拆除连续梁正面的立杆 2和防护网 3， 在起吊防护网过程中仅 需对行车进行短暂的限速和限行防护。
[0024] 上面所述的实施例仅仅是对本实用新型的优选实施方式进行描述， 并非对本实 用新型的范围进行限定。
本发明的实施方式
[0025] 在此处键入本发明的实施方式描述段落。
工业实用性
[0026] 在此处键入工业实用性描述段落。
序列表自由内容
[0027] 在此处键入序列表自由内容描述段落。

Claims

权利要求书
[权利要求 1] 一种悬臂挂篮施工的防护棚， 其特征在于： 包括底兜 （1) 、 立杆 (2
) 、 防护网 （3) 和梁底装修平台 （10) ； 所述底兜 （1) 悬挂固定在 挂篮横梁 （11) 上， 在悬臂挂篮施工节段作业当中起到对桥下高速公 路行车的安全防护作用， 所述底兜设置预留排水口 （7) ， 预留排水 口 （7) 连接排水软管 （8) ， 养护用水及地表径流水通过预留排水口 (7) 、 排水软管 （8) 引排至公路行车道以外， 底兜 （1) 平面尺寸 超出两侧翼板外缘 100cm, 待底兜 （1) 锚定就位后， 将槽钢立杆 (2 ) 焊接在底兜竖肋上， 立杆垂直度偏差在 1%以内， 立杆网架焊接完 成后挂 lxlcm防护网 （3) ， 立杆及防护网顶面高出梁面不小于 120cm
PCT/CN2017/105260 2017-09-07 2017-10-05 一种悬臂挂篮施工的防护棚 WO2019047304A1 (zh)

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