WO2019068230A1 - 一种路桥伸缩缝的浇筑工艺 - Google Patents

一种路桥伸缩缝的浇筑工艺 Download PDF

Info

Publication number
WO2019068230A1
WO2019068230A1 PCT/CN2017/105286 CN2017105286W WO2019068230A1 WO 2019068230 A1 WO2019068230 A1 WO 2019068230A1 CN 2017105286 W CN2017105286 W CN 2017105286W WO 2019068230 A1 WO2019068230 A1 WO 2019068230A1
Authority
WO
WIPO (PCT)
Prior art keywords
airbag
expansion joint
air
air bag
inflation
Prior art date
Application number
PCT/CN2017/105286
Other languages
English (en)
French (fr)
Inventor
朱子毅
Original Assignee
朱子毅
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 朱子毅 filed Critical 朱子毅
Priority to PCT/CN2017/105286 priority Critical patent/WO2019068230A1/zh
Publication of WO2019068230A1 publication Critical patent/WO2019068230A1/zh

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints

Definitions

  • the utility model relates to a pouring process of a road bridge expansion joint.
  • the expansion joint of railway concrete bridge is an important part of the overall waterproofing of the bridge deck and the expansion of the structure. It is directly related to the effectiveness of the bridge waterproof system and the durability of the structure.
  • China's ordinary railway concrete bridge beam joints are mostly covered with steel or concrete cover plates, and high-speed railway concrete bridge beams are generally used with rubber waterstop expansion joints. Due to the difficulty in construction of rubber waterstops, it is easy to cause the rubber strips to be not firmly embedded. , or due to poor installation accuracy control, it is easy to cause staggered, torsion and other phenomena, resulting in deformation of the expansion joint, seriously affecting the quality of the expansion joint drainage. When the expansion joint strip falls off and the function is lost, the rail system needs to be raised.
  • the replacement repair process is complicated and cannot be replaced. At the same time, it is easy to accumulate garbage and block the drainage path. The accumulation of water in the northern winter passage also causes poor drainage.
  • the elastic expansion joint consists of three parts: the primer coating, the elastic body, and the top coating. It can be used for casting and forming the bottom support, the liner (backing and end lining) for supporting and forming the mold for auxiliary casting.
  • the underlay is located at the bottom of the elastomeric expansion joint and the end lining is at the end of the beam joint.
  • the bottom lining is a door type structure. Before the construction, the beam body or the water stop must be stepped to create a footing point of the bottom edge of the bottom door, and the level and flatness of the landing point are extremely high, otherwise the lining is required. It is necessary to distort.
  • the on-site construction of the lining has a certain supporting capacity, and its rigidity is relatively large. After the elastomer material is poured, the lining continues to remain at the bottom of the elastic expansion joint, and the beam ends are stretched in the last hundred years of operation. After twenty or thirty years, she fell off and lost.
  • the utility model adopts an air bag as a mold for molding an elastic body expansion joint, and functions as a positioning molding.
  • the principle is simple, the structure is concise, the construction is safe and fast, the components are light, the process is simplified, the auxiliary materials are few, the materials are saved, the work efficiency is high, the practicability is strong, and the utility model is beneficial to the use of the turnover and the reverse operation, and the above problems are successfully solved.
  • the technical problem to be solved by the utility model is: providing a pouring process of a road bridge expansion joint to simplify the steps of cutting the steps in the prior art process, and arranging the difficulty of the arc lining, thereby improving the practicability of the tooling and Work efficiency. And overcome the problem of distortion of the underlay, difficulty in removal, falling, falling off, etc.
  • the stopper functions as a positioning and setting, and is a wooden block having a width of 10 cm, a height of 10 cm, and a length of 20 cm, and is covered with a plastic film to facilitate demolding.
  • the airbag should be tested for inflating air tightness or water tightness before use. When the airtightness test is carried out, the air pressure drops by no more than 0.03kg/m 2 after 2 hours; the airbag is stored after being deflated, and is rolled and rolled from one end. The inflating valve is exposed to the airbag to prevent the puncture of the airbag or damage to the inflation valve.
  • the utility model invents a set of airbag method tool for high-speed railway polyurethane elastomer expansion joint construction by using airbag, inflation valve, air pump, air pressure gauge, end lining and baffle, and overcomes high-speed railway concrete bridge
  • the use of rubber waterstop expansion joints between beams is difficult, and it is easy to cause the rubber strips to be insecurely fixed, staggered and twisted.
  • the airbag after inflation is used as an auxiliary mold for the elastic expansion joints, and the side and beam of the airbag are utilized.
  • the support force created by the tight air pressure supports the weight of the elastomer.
  • the lower arc structure of the elastic expansion joint is shaped by the structural section of the round end shape of the airbag.
  • the plastic film wrapped by the airbag blocks the adhesion of the elastomer to the rubber of the airbag.
  • the airbag is deflated, the mold naturally falls off, and the installation and removal are very convenient. It has achieved the steps of simplifying the steps in the existing process, and the difficulty of installing the arc-shaped lining, improving the practicability and work efficiency of the polyurethane elastomer expansion joint construction.
  • the principle is simple, the structure is concise, the construction is safe and fast, and the components are light.
  • the process is simplified, the auxiliary materials are less, the materials are saved, the work efficiency is high, the utility is strong, and the utility model is beneficial to the use of the turnover and the back-transport, and can fundamentally solve the problem that the base lining is twisted, the installation is difficult, the drop is easy, and the fall off.
  • FIG. 1 is a front view of a pouring process of a road bridge expansion joint according to the present invention.
  • FIG. 2 is an elevational view of a casting process of a road bridge expansion joint according to the present invention.
  • the pouring process of the road bridge expansion joint includes the air bag 3, the inflation valve 5, the air pump 6, the air pressure gauge 7, the end liner 8, and the stopper 9.
  • the airbag is provided with an inflation valve 5; the air pressure gauge 7 is mounted on the air duct of the air pump 6; the airbag 3 is covered with a plastic film; the end liner 8 and the baffle 9 are mounted on the upper part of the airbag at the end of the beam beam;
  • the airbag 3 has a long capsule shape and a round end shape, the length of the cut surface is not less than 45 cm, and the maximum width after inflation and expansion is not less than 16 cm; the length of the airbag 3 is not less than the length of the beam of the box girder;
  • the rubber material has a thickness of not less than 6 mm; the airbag 3 is covered with a plastic film to improve the service life of the airbag and the adhesion of the partition to the elastic body; the inflation valve 5 is installed at both ends of the longitudinal direction of the airbag 3, and the cut surface
  • the end liner 8 is a lower semi-circular plastic wedge block, which is wrapped with a plastic film to facilitate demoulding.
  • the block 9 functions as a positioning and setting body, and is a wooden block having a width of 10 cm, a height of 10 cm and a length of 20 cm, and is covered with a plastic film to facilitate demolding.
  • the airbag 3 should be inflated and airtight before use. Test or water tightness test, when the air tightness test is ⁇ 2h, the pressure drop is not more than 0.03kg/m2.
  • the airbag 3 is deflated and stored, and is rolled up from one end.
  • the inflation valve 5 is exposed in the airbag 3 to prevent the airbag 3 from being punctured and the inflation valve 5 from being damaged.
  • the surface of the concrete beam end concrete structure to be constructed shall be inspected and accepted.
  • the surface of the concrete structure shall be compact and uniform, the color shall be uniform, and there shall be no exposed ribs, honeycombs, holes, loose, pockmarks and missing edges. Defects such as corners.
  • the surface of the concrete structure is loose and easy to peel off, it should be reworked and reworked. Otherwise, the elastic expansion joint will fall off due to long-term sun and rain, beam expansion and other reasons.
  • the airbag 3 having a length of not less than 45 cm and a longitudinal length of not less than the length of the beam of the box girder is inflated and used as a mold for molding the auxiliary polyurethane elastomer 4, and functions as a positioning molding. This improves the construction efficiency of the polyurethane elastomer expansion joint.
  • the top level of the water retaining station 2 is measured by a water gauge before construction to find the lowest point of the top surface of the concrete structure.
  • the airbag 3 is placed between the beam ends of the beam before being inflated by 4 to 5 people for preliminary placement, and one person is measured to measure the top surface elevation, according to the design requirements of the elastic body "door" type
  • the thinnest part shall not be less than 2/lOxW (W is the measured joint width).
  • the airbag 3 is inflated by the port on the air duct on the air pump 6 docking with the inflation valve 5 on the airbag 3, and when the airbag 3 is slightly in contact with the beam gap, the barometer 7 reading is displayed at 0.18 to 0.2 kg/cm. 2 ⁇ , stop the inflation, the worker releases the airbag 3, and the airbag 3 will rely on the inflation to the support of the concrete between the beam 1 and the water stop 2 to support the weight of the beam.
  • a vertical ruler is placed on the top surface of the airbag 3 to measure the top surface of the arc arch, and the final precise positioning of the airbag 3 is performed.
  • the precise positioning method is that when the elevation of the arc dome surface of the airbag 3 is higher than the design elevation, the wooden strip is pressed with 5 C mx 5 cm; when the elevation of the arc dome of the airbag 3 is lower than that of the airbag 3
  • the elevation ⁇ is designed, and the deflation is performed by the inflation valve 5 at the other end of the airbag 3, and the worker lifts the airbag 3 again to perform the elevation adjustment.
  • the airbag 3 is placed between the end beams of the beam, and the inflation valve 5 should be placed on the top surface of the cut surface to facilitate charging and discharging.
  • the barometer 7 has a range of not less than 2 kg/cm 2 ; after the airbag 3 is accurately positioned, the air pressure in the air bag 3 should be made It is in the range of 0.8 to 1.2 kg/cm 2 .
  • a plastic wedge-shaped end lining 8 having a semi-circular lower portion is installed at the beam end, and the end lining 8 is added in the cable slot A wall between the beam gaps, and the outer wrapping is A layer of plastic film is secured by a wedge-shaped block.
  • the block 9 is mounted on the inner side for its plastic positioning function, and the bottom surface thereof is a drainage top surface of the elastic expansion joint of the pseudo-casting body, and the material is a wooden block with a width of 10 cm, a height of 10 cm and a length of 20 cm, and is covered with a plastic film for profit. Demolished.
  • the end water retaining block provided at the both ends of the water retaining station 2 of the elastic expansion joint 4 should be poured between the main body of the elastic expansion joint 4 for 30 min to 50 min.
  • the plastic film wrapped by the airbag 3 blocks the adhesion of the elastic body 4 and the rubber of the airbag 3, and after the strength of the elastic expansion joint reaches the designed demoulding strength, the gas is vented through the inflation valve 5 at both ends of the airbag 3, and the mold is vented.
  • Naturally shedding, installation and removal are very convenient.
  • the utility model utilizes an air bag 3, an inflation valve 5, an air pump 6, a barometer 7, an end lining 8, and a stopper 9, and the air bag is provided with an inflation valve 5; the air pressure gauge 7 is installed on the air pipe of the air pump 6.
  • the airbag 3 is covered with a plastic film; the end liner 8 and the baffle 9 are mounted on the upper part of the airbag and the end of the beam.
  • the purpose of realizing the construction of high-speed railway polyurethane elastomer expansion joints is to simplify the steps of cutting the steps in the existing process and to make the arc-shaped lining difficult, and improve the practicability and work efficiency of the polyurethane elastomer expansion joint construction.
  • Simple, simple structure, safe and fast construction, light weight components, simplified process, less auxiliary materials, saving materials, high work efficiency, practicality, conducive to turnover and back-up, can fundamentally solve the distortion and disassembly of the underlay Difficult, easy to fall, fall off problems.
  • Sequence table free content [0027] Type the sequence table free content description paragraph here.

Abstract

一种路桥伸缩缝的浇筑工艺，包括气囊（3）、充气阀门（5）、充气泵（6）、气压表（7）、端衬（8）、挡块（9），气囊（3）上设置有充气阀门（5）；气压表（7）安装在充气泵（6）的通风管上；所述气囊（3）外包裹一层塑料薄膜；端衬（8）和挡块（9）安装在气囊（3）上部、梁缝两端；创新了高速铁路伸缩缝施工工艺，起到了提高弹性体伸缩缝施工的工作效率的作用。

Description

发明名称：一种路桥伸缩缝的浇筑工艺
技术领域
[0001] 本实用新型涉及一种路桥伸缩缝的浇筑工艺。
背景技术
[0002] 铁路混凝土桥梁伸缩缝是桥面整体防水和适应结构伸缩的重要组成部分， 直接 关系到桥梁防水体系的有效性和结构的耐久性。 我国普通铁路混凝土桥梁梁缝 多采用钢或混凝土盖板覆盖挡砟， 高速铁路混凝土桥梁梁间普遍采用橡胶止水 带伸缩缝， 由于橡胶止水带施工难度大， 容易造成橡胶条嵌固不牢， 或因安装 精度控制不好， 极易造成错台、 扭转等现象， 导致伸缩缝变形， 严重影响伸缩 缝防排水质量。 当伸缩缝胶条脱落， 功能丧失吋， 需抬高轨道系统， 更换维修 工艺复杂， 无法更换。 同吋容易积存垃圾， 堵塞排水路径， 北方冬季通道内积 水结冰也造成了排水不畅。 根据铁路桥梁伸缩缝的应用现状， 结合铁路桥梁的 结构和运营特点， 铁科院等机构研制桥梁伸缩装置， 幵发处弹性体伸缩缝， 近 多年试验、 使用， 效果良好。 弹性体伸缩缝由底涂、 弹性体伸缩本体、 面涂三 部分组成， 可当前施工吋为浇筑成型需安装底托、 衬垫 （底衬和端衬） 进行支 撑和作为辅助浇筑成型的模具。 其底衬位于弹性体伸缩缝底部， 端衬位于梁缝 梁端。 底衬是个门型结构， 施工前必须对梁体或挡水台进行削台阶处理， 创造 一个底衬的门下缘的落脚点， 且对该落脚点的水平、 平整度要求极高， 否则底 衬就要扭曲。 且现场施工吋底衬因具有一定的支撑能力， 其刚度较大， 弹性体 材料浇筑成型后底衬继续保留在弹性体伸缩缝底部， 在运营的上百年吋间内跟 随梁端伸缩， 可能会在二三十年后脱落、 掉块。 为解决上述问题， 确有必要提 供一种高速铁路聚氨酯弹性体伸缩缝气囊施工工装， 以克服现有技术中所述缺 点。 本实用新型采用气囊作为辅助弹性体伸缩缝浇筑成型的模具， 起定位成型 的作用。 原理简单、 结构简明、 施工安全、 快捷， 构件轻便， 简化了工序， 辅 助材料少， 用料节省， 工作效率高， 实用性强， 利于周转使用和倒运， 成功解 决了上述问题。 技术问题
[0003] 本实用新型要解决的技术问题是： 提供一种路桥伸缩缝的浇筑工艺， 以简化现 有工艺工序中的削台阶、 安拆弧形底衬困难等工序， 提高工装的实用性和工作 效率。 以及克服了底衬扭曲、 拆除困难、 掉落、 脱落等问题。
问题的解决方案
技术解决方案
[0004] 设计一种路桥伸缩缝的浇筑工艺， 包括气囊、 充气阀门、 充气泵、 气压表、 端 衬、 挡块,气囊上设置有充气阀门； 气压表安装在充气泵的通风管上； 端衬和挡 板安装在气囊上部， 位于梁缝梁端； 所述气囊切面为长胶囊型， 上下为圆端型 ， 切面长度不小于 45cm， 充气膨胀后最大宽度不小于 16cm; 所述气囊长度不小 于箱梁梁缝长度； 所述气囊为橡胶材质， 厚度不小于 6mm; 所述气囊外包裹一 层塑料薄膜， 以提高气囊的使用寿命和隔断与弹性体的粘接； 所述充气阀门安 装在气囊长度方向的两端， 切面上下的圆端形上部， 单个气囊安装充气阀门两 个； 所述气压泵为气动增压泵， 输出气体为空气； 所述气压表量程不小于 2kg/c m 2; 所述气囊使用吋气压需在 0.8〜1.2kg/ cm 2范围内。 所述端衬为下部半圆形 塑料楔形块， 外包裹一层塑料薄膜， 以利拆模。
[0005] 所述挡块起定位定型作用， 为宽 10cm， 高 10cm， 长 20cm的木块， 外包裹一层 塑料薄膜以利拆模。 所述气囊使用前应做充气气密性试验或水密性试验， 当做 气密性试验吋 2h气压下降不大于 0.03kg/m 2; 所述气囊泄气后收存， 采用滚卷式 ， 从一头幵始卷藏； 所述充气阀门在气囊卷藏吋外露， 以防止刺破气囊或造成 充气阀门损坏。
发明的有益效果
有益效果
[0006] 有益效果： 本实用新型利用气囊、 充气阀门、 充气泵、 气压表、 端衬、 挡板发 明了一整套针对高速铁路聚氨酯弹性体伸缩缝施工的气囊法工装， 克服了高速 铁路混凝土桥梁梁间采用橡胶止水带伸缩缝施工难度大、 易造成橡胶条嵌固不 牢、 错台、 扭曲现象， 采用充气后的气囊作为弹性体伸缩缝辅助浇筑成型的模 具， 利用气囊的侧面与梁间的挤密气压力创造的支撑力， 支撑弹性体的重量。 利用气囊圆端形的构造截面塑造弹性体伸缩缝的下弧结构。 通过气囊外包裹的 塑料薄膜隔断了弹性体与气囊橡胶的粘接， 当气囊泄气后， 模具自然脱落， 安 装和拆除非常便利。 达到了简化现有工艺工序中的削台阶、 安拆弧形底衬困难 等工序， 提高了聚氨酯弹性体伸缩缝施工的实用性和工作效率， 原理简单、 结 构简明、 施工安全、 快捷， 构件轻便， 简化了工序， 辅助材料少， 用料节省， 工作效率高， 实用性强， 利于周转使用和倒运， 可从根本上解决底衬扭曲、 安 拆困难、 易掉落、 脱落的问题。
对附图的简要说明
附图说明
[0007] 图 1是本实用新型的一种路桥伸缩缝的浇筑工艺的主视图。
[0008] 图 2是本实用新型的一种路桥伸缩缝的浇筑工艺的立面图。
[0009] 图中： 1.梁体， 2.挡水台， 3.气囊， 4.聚氨酯弹性体， 5.充气阀门， 6充气泵
， 7气压表， 8端衬， 9挡块。
实施该发明的最佳实施例
本发明的最佳实施方式
[0010] 如图所示， 以在北方地区新建高速铁路聚氨酯弹性体伸缩缝气囊法施工为例。
[0011] 本实用新型一种路桥伸缩缝的浇筑工艺， 包括气囊 3、 充气阀门 5、 充气泵 6、 气压表 7、 端衬 8、 挡块 9。 气囊上设置有充气阀门 5 ; 气压表 7安装在充气泵 6的 通风管上； 所述气囊 3外包裹一层塑料薄膜； 端衬 8和挡板 9安装在气囊上部， 位 于梁缝梁端； 所述气囊 3切面为长胶囊型， 上下为圆端型， 切面长度不小于 45cm ， 充气膨胀后最大宽度不小于 16cm; 所述气囊 3长度应不小于箱梁梁缝长度； 所 述气囊 3为橡胶材质， 厚度不小于 6mm; 所述气囊 3外包裹一层塑料薄膜， 以提 高气囊的使用寿命和隔断与弹性体的粘接； 所述充气阀门 5安装在气囊 3长度方 向的两端， 切面上下的圆端形上部， 单个气囊 3数量两个； 所述气压泵 6为气动 增压泵， 输出气体为空气； 所述气压表 7量程不小于 2kg/cm2; 所述气囊 3使用吋 气压需在 0.8〜1.2kg/cm2范围内。 所述端衬 8为下部半圆形塑料楔形块， 外包裹 一层塑料薄膜， 以利拆模。 所述挡块 9起定位定型作用， 为宽 10cm， 高 10cm， 长 20cm的木块， 外包裹一层塑料薄膜以利拆模。 所述气囊 3使用前应做充气气密性 试验或水密性试验， 当为气密性试验吋 2h气压下降不大于 0.03kg/m2。 所述气囊 3 泄气后收存， 采用滚卷式， 从一头幵始卷藏； 所述充气阀门 5在气囊 3卷藏吋需 外露在外， 以防止刺破气囊 3和造成充气阀门 5损坏。
[0012] 弹性体伸缩缝施工前应对拟施工的混凝土梁梁端混凝土结构表面进行验收， 混 凝土结构表面应密实平整、 颜色均匀、 不得有露筋、 蜂窝、 孔洞、 疏松、 麻面 和缺棱掉角等缺陷。 特别是混凝土结构表面疏松、 易掉皮的情况， 应进行返工 返修， 否则弹性体伸缩缝浇筑后随着长期的日晒雨淋， 梁体伸缩等原因会脱落
， 造成梁缝间防水失效。
[0013] 在本技术方案中， 由切面长度不小于 45cm， 纵向长度不小于箱梁梁缝长度的气 囊 3充气后作为辅助聚氨酯弹性体 4浇筑成型的模具， 起到定位成型的作用。 从 而提高聚氨酯弹性体伸缩缝的施工效率。
[0014] 施工前用水准仪对挡水台 2顶面标高进行测量， 找出混凝土结构顶面的最低点
， 作为今后防水体系的排水点。
[0015] 打幵卷包， 气囊 3在充气前， 放入梁端梁缝间由 4〜5人手持进行初步摆放， 并 安排 1人测量顶面标高， 根据设计要求弹性体 "门"型厚度最薄处不得小于 2/lOxW (W为实测缝宽） ， 初步定位后把超出箱梁梁缝两端的气囊 3采用绳索固定在护 栏上。
[0016] 通过充气泵 6上的通风管上的端口与气囊 3上的充气阀门 5对接对气囊 3进行充气 ， 当气囊 3与梁缝稍微接触， 气压表 7读数显示在 0.18〜0.2kg/cm 2吋， 停止充气 ， 工人放幵气囊 3， 气囊 3将会依靠充气后对梁间混凝土 1和挡水台 2的挤压产生 支撑自身重量的支撑力。 此吋安排 1人立塔尺对气囊 3顶面再次测量弧拱顶面标 高， 对气囊 3进行最后的精确定位。
[0017] 精确定位的方式是当气囊 3某处弧拱顶面标高高于设计标高吋用 5Cmx5cm的长 木条对该处进行下压； 当气囊 3某处弧拱顶面标高低于设计标高吋， 利用气囊 3 的另一端的充气阀门 5进行放气， 工人再次提起气囊 3进行标高调整。
[0018] 所述气囊 3安放在梁端梁间吋， 应把充气阀门 5放置在切面的顶面， 以利于充放 气。
[0019] 所述气压计 7量程不小于 2kg/cm 2; 在气囊 3精确定位后， 应使得气囊 3内的气压 在 0.8〜1.2kg/cm 2范围内。
[0020] 气囊 3精确定位、 充气气压到达要求后， 在梁端安装下部为半圆形的塑料楔形 块端衬 8， 所述端衬 8为加在梁缝间电缆槽 A墙内， 外包裹一层塑料薄膜， 并用楔 形木块楔紧固定。 所述挡块 9安装在内侧其塑型定位作用， 其底面为拟浇筑弹性 体伸缩缝排水顶面， 其材质为宽 10cm， 高 10cm， 长 20cm的木块， 外包裹一层塑 料薄膜以利拆模。
[0021] 所述弹性体伸缩缝 4在挡水台 2两端设置的端头挡水块， 应在弹性体伸缩缝 4主 体浇筑成型 30min〜50min之间进行浇筑。
[0022] 通过气囊 3外包裹的塑料薄膜隔断了弹性体 4与气囊 3橡胶的粘接， 待弹性体伸 缩缝强度达到设计拆模强度后， 通过气囊 3两头的充气阀门 5进行放气， 模具自 然脱落， 安装和拆除非常便利。
[0023] 本实用新型利用气囊 3、 充气阀门 5、 充气泵 6、 气压表 7、 端衬 8、 挡块 9,气囊上 设置有充气阀门 5 ; 气压表 7安装在充气泵 6的通风管上； 所述气囊 3外包裹一层 塑料薄膜； 端衬 8和挡板 9安装在气囊上部、 梁缝梁端。 实现高速铁路聚氨酯弹 性体伸缩缝施工的目的， 达到了简化现有工艺工序中的削台阶、 安拆弧形底衬 困难等工序， 提高了聚氨酯弹性体伸缩缝施工的实用性和工作效率， 原理简单 、 结构简明、 施工安全、 快捷， 构件轻便， 简化了工序， 辅助材料少， 用料节 省， 工作效率高， 实用性强， 利于周转使用和倒运， 可从根本上解决底衬扭曲 、 安拆困难、 易掉落、 脱落的问题。
[0024] 上述技术方案仅体现了本实用新型技术方案的优选技术方案， 本技术领域的技 术人员对其中某些部分所可能做出的变动均体现了本实用新型的原理， 属于本 实用新型的保护范围之内。
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] 一种路桥伸缩缝的浇筑工艺， 其特征在于： 包括气囊 （3) 、 充气阀 门 (5) 、 充气泵 （6) 、 气压表 （7) 、 端衬 （8) 、 挡块 （9) ，气囊 上设置有充气阀门 （5) ； 气压表 （7) 安装在充气泵 （6) 的通风管 上； 端衬 （8) 和挡板 （9) 安装在气囊上部,位于梁缝梁端；所述气囊 (3) 切面为长胶囊型， 上下为圆端型， 切面长度不小于 45cm， 充气 膨胀后最大宽度不小于 16cm;所述气囊 （3) 长度不小于箱梁梁缝长度
PCT/CN2017/105286 2017-10-08 2017-10-08 一种路桥伸缩缝的浇筑工艺 WO2019068230A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/105286 WO2019068230A1 (zh) 2017-10-08 2017-10-08 一种路桥伸缩缝的浇筑工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/105286 WO2019068230A1 (zh) 2017-10-08 2017-10-08 一种路桥伸缩缝的浇筑工艺

Publications (1)

Publication Number Publication Date
WO2019068230A1 true WO2019068230A1 (zh) 2019-04-11

Family

ID=65994466

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/105286 WO2019068230A1 (zh) 2017-10-08 2017-10-08 一种路桥伸缩缝的浇筑工艺

Country Status (1)

Country Link
WO (1) WO2019068230A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008095304A (ja) * 2006-10-06 2008-04-24 Bridgestone Corp 橋桁止水手段及び橋桁止水構造
CN103225260A (zh) * 2013-05-21 2013-07-31 青岛海力威新材料科技股份有限公司 一种桥梁伸缩缝弹性防水材料的浇注方法
CN204059188U (zh) * 2014-05-23 2014-12-31 青岛海力威新材料科技股份有限公司 充气式桥梁伸缩缝底衬及桥梁
CN206189261U (zh) * 2016-10-26 2017-05-24 青岛海力威新材料科技股份有限公司 一种桥梁伸缩缝弹性装置
CN206233092U (zh) * 2016-11-27 2017-06-09 石恒 一种充气式桥梁伸缩缝底衬
CN207314135U (zh) * 2017-10-08 2018-05-04 中铁五局集团第二工程有限责任公司 一种铁路桥梁聚氨酯弹性体伸缩缝现场浇筑工装

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008095304A (ja) * 2006-10-06 2008-04-24 Bridgestone Corp 橋桁止水手段及び橋桁止水構造
CN103225260A (zh) * 2013-05-21 2013-07-31 青岛海力威新材料科技股份有限公司 一种桥梁伸缩缝弹性防水材料的浇注方法
CN204059188U (zh) * 2014-05-23 2014-12-31 青岛海力威新材料科技股份有限公司 充气式桥梁伸缩缝底衬及桥梁
CN206189261U (zh) * 2016-10-26 2017-05-24 青岛海力威新材料科技股份有限公司 一种桥梁伸缩缝弹性装置
CN206233092U (zh) * 2016-11-27 2017-06-09 石恒 一种充气式桥梁伸缩缝底衬
CN207314135U (zh) * 2017-10-08 2018-05-04 中铁五局集团第二工程有限责任公司 一种铁路桥梁聚氨酯弹性体伸缩缝现场浇筑工装

Similar Documents

Publication Publication Date Title
WO2019068231A1 (zh) 一种铁路桥梁聚氨酯弹性体伸缩缝现场浇筑工装
CN207314135U (zh) 一种铁路桥梁聚氨酯弹性体伸缩缝现场浇筑工装
WO2019068230A1 (zh) 一种路桥伸缩缝的浇筑工艺
CN210827019U (zh) 一种路桥施工时的模板稳定紧固装置
CN219011499U (zh) 一种新型单元式etfe气枕膜结构系统
CN108396961B (zh) 一种双重墙间施工缝模板支设方法
CN202166504U (zh) 一种全钢板法污水井口及管线的封堵闭气检测装具
CN110295924B (zh) 一种基于工形钢板的盾构隧道加固结构及施工方法
US3958790A (en) Concrete wall forming panel with inflatable liner means
CN218562249U (zh) 一种气盾坝结构
CN217733757U (zh) 一种大吨位梁体落梁混凝土临时支墩结构
CN212743378U (zh) 一种防漏浆的塑料模壳
CN115405338B (zh) 一种地铁施工顶部支撑装置
JP5178123B2 (ja) チューブ式止水材、及び、チューブ式止水材による止水方法
CN210567557U (zh) 一种具有防护保护装置的智能无线测试桩
CN215857199U (zh) 一种u型桥面梁端防水装置
CN218840164U (zh) 一种管片存储装置
JP5039490B2 (ja) 止水材の後入れ施工方法及び装置
CN220599167U (zh) 超长建筑物的预浇楼层顶板后浇带两侧的封堵模板结构
CN212506967U (zh) 一种自防火暗密肋楼盖
CN210917441U (zh) 一种用于伸缩缝的拼接式胶条
CN219430502U (zh) 一种桥梁梁端防水装置
CN114875791B (zh) 一种大跨度抗裂缝盖梁的施工工艺
CN214272895U (zh) 一种定型化木模板拼缝装置
CN213572968U (zh) 一种建筑用组合模板结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17927997

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17927997

Country of ref document: EP

Kind code of ref document: A1