WO2024124759A1 - Hydraulic tunnel open-cut structure external mold formwork and construction method - Google Patents

Hydraulic tunnel open-cut structure external mold formwork and construction method Download PDF

Info

Publication number
WO2024124759A1
WO2024124759A1 PCT/CN2023/088363 CN2023088363W WO2024124759A1 WO 2024124759 A1 WO2024124759 A1 WO 2024124759A1 CN 2023088363 W CN2023088363 W CN 2023088363W WO 2024124759 A1 WO2024124759 A1 WO 2024124759A1
Authority
WO
WIPO (PCT)
Prior art keywords
formwork
templates
outer mold
mold
template
Prior art date
Application number
PCT/CN2023/088363
Other languages
French (fr)
Chinese (zh)
Inventor
何志佳
门文博
陈荣国
段朝杰
郑昌炳
谢亚飞
魏志杰
钱鹏飞
Original Assignee
中铁七局集团有限公司
中铁七局集团武汉工程有限公司
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 中铁七局集团有限公司, 中铁七局集团武汉工程有限公司 filed Critical 中铁七局集团有限公司
Publication of WO2024124759A1 publication Critical patent/WO2024124759A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/02—Water-ways
    • E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0007—Production methods using a mold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Definitions

  • the present invention relates to the field of hydraulic tunnel construction, and more specifically, to an external formwork template of an open-cut structure of a hydraulic tunnel and a construction method thereof.
  • Hydraulic tunnels are water passages dug in mountains or underground. Hydraulic tunnels can be used for irrigation, power generation, water supply, water discharge, water delivery, construction diversion and navigation. Tunnel with free water surface in the tunnel is called unpressured tunnel; tunnel with full cross section and causing the tunnel wall to bear a certain water pressure is called pressurized tunnel. Hydraulic tunnels are mainly composed of water inlet, tunnel body and outlet section (the water diversion tunnel for power generation is connected to the pressure water pipe after the tunnel body, and the water conveyance tunnel and navigation tunnel on the channel only have the tunnel body section. The gate can be set at the inlet, outlet or appropriate position in the tunnel. The outlet is equipped with energy dissipation and anti-collision facilities.
  • the tunnel body section is often made of anchor spraying (using anchor rods and shotcrete) or reinforced concrete to make temporary support or permanent lining.
  • the tunnel body section can be circular, gate-shaped or horseshoe-shaped. Pressurized tunnels are mostly circular.
  • the layout of inlets and outlets, the selection of tunnel lines, and the shape and size of the tunnel body section are restricted by factors such as topography, geology, geostress, hub layout, application requirements and construction conditions, and need to be determined after technical and economic comparison.
  • the purpose of the present invention is to provide an external formwork template and construction method for an open-cut structure of a hydraulic tunnel, which expands the dark-cut working surface into an open-cut working surface, thus providing space conditions for the deployment of various large-scale equipment.
  • an external formwork template for an open-cut structure of a hydraulic tunnel comprising:
  • a plurality of sets of outer mold templates are arranged longitudinally along the central axis, wherein the outer mold templates include symmetrically arranged outer mold A, outer mold B and outer mold C, and the outer mold templates A, outer mold B and outer mold C and the outer mold templates arranged longitudinally along the central axis are connected by bolts;
  • a set of back frames is correspondingly connected to the upper part of each set of outer mold templates; and a pair of vertical supports are symmetrically connected to both sides of each set of outer mold templates.
  • a pair of outer molds A of each set of outer mold templates are symmetrically arranged on both sides, the upper end of the outer mold A is connected to the outer mold B, and the other end of the outer mold B is connected to the outer mold C.
  • the outer mold C, outer mold A and outer mold B have the same structure from the inside to the outside, and the outer mold A includes a panel, transverse ribs and longitudinal ribs from the inside to the outside.
  • a circle of end frame plates is fixed to the outer periphery of the panel, and a plurality of transverse ribs and longitudinal ribs are fixed at equal intervals on the end frame plates.
  • the thickness of the end frame plates is 1.5-2.5 times the thickness of the panel.
  • the vertical support includes a vertical channel steel, the lower part of which is connected to the lower ends of the outer mold A and the outer mold B through hook bolts, a plurality of reinforcing ribs are provided on the upper part of the vertical channel steel, the upper part of the vertical channel steel is connected to the arc support through a plurality of transverse supports, the arc support is connected to the outer mold B and the outer mold C, and the curvature of the arc support is consistent with the curvature of the outer mold B and the outer mold C.
  • the back frame comprises a double 20 channel steel arranged transversely, the lower end of which is connected to a plurality of connecting pieces, and the connecting pieces are fixed to the arc-shaped support.
  • the transverse reinforcement is made of 10# channel steel
  • the longitudinal reinforcement is made of 10mm steel bars
  • the panel thickness is 6mm
  • the end frame plate thickness is 12mm.
  • the present invention also provides a construction method using the hydraulic tunnel open-cut structure outer formwork template, comprising the following steps:
  • the inner mold trolley is in place, and after calibration, the inner mold trolley is installed and fixed;
  • the panel of the outer mold template is polished in advance, and the mold release agent is applied. Then, each group of templates and the back frame are assembled in groups. After the assembly is complete, the template is hoisted by a crane to the installation position, and each group of outer mold templates is hoisted in turn for connection;
  • the outer formwork trolley is used as a support system to pour the pipe segment concrete on the surface of the inner formwork trolley, completing the use cycle of the inner and outer formwork of a segment;
  • Expanding the working surface Expanding the working surface from a dark excavation to an open excavation provides space conditions for the deployment of various large-scale equipment.
  • FIG1 is a schematic diagram of an outer formwork template of an open-cut structure of a hydraulic tunnel according to the present invention
  • FIG2 is a side view of the outer formwork template of the hydraulic tunnel open-cut structure of the present invention.
  • FIG3 is a schematic structural diagram of an outer mold A of the present invention.
  • FIG. 4 is a schematic diagram of the installation of a waterproof layer installation mechanism and a track according to an embodiment of the present invention.
  • an outer formwork template 4 for an open-cut structure of a hydraulic tunnel comprising:
  • outer mold templates 4 arranged longitudinally along the central axis, wherein the outer mold templates 4 include symmetrically arranged outer molds A1, B2 and C3, and the outer mold templates A1, B2 and C3 and the outer mold templates 4 arranged longitudinally along the central axis are connected by bolts;
  • a set of back frames are correspondingly connected to the upper part of each set of outer mold templates 4; and a pair of vertical supports are symmetrically connected to the two sides of each set of outer mold templates 4.
  • the technical solution may also include the following technical details to better achieve the technical effect: a pair of outer molds A1 of each set of outer mold templates 4 are symmetrically arranged on both sides, the upper end of the outer mold A1 is connected to the outer mold B2, and the other end of the outer mold B2 is connected to the outer mold C3.
  • the present technical scheme may also include the following technical details to better achieve the technical effect: the outer mold C3, outer mold A1 and outer mold B2 have the same structure from the inside to the outside, the outer mold A1 includes a panel 17, transverse ribs 6 and longitudinal ribs 7 from the inside to the outside, a circle of edge frame plates 8 are fixed on the outer periphery of the panel 17, a number of transverse ribs 6 and longitudinal ribs 7 are fixed on the edge frame plates 8 at equal intervals, and the thickness of the edge frame plates 8 is 1.5-2.5 times the thickness of the panel 17.
  • the vertical support includes a vertical channel steel 9, the lower part of which is connected to the lower end of the outer mold A1 and the outer mold B2 through a D20 hook bolt 10, and a plurality of reinforcing ribs are arranged on the upper part of the vertical channel steel 9, and the reinforcing ribs are made of 8# channel steel.
  • the upper part of the vertical channel steel 9 is connected to the arc support 12 through a plurality of transverse supports 11, and the arc support 12 adopts double 16 channel steel.
  • the arc support 12 is connected to the outer mold B2 and the outer mold C3, and the curvature of the arc support 12 is consistent with the curvature of the outer mold B2 and the outer mold C3.
  • the transverse channel steel adopts a single 16 channel steel.
  • the back frame and the vertical channel steel 9 play the role of fixing the shape and supporting the force of the outer mold.
  • the back frame includes a double 20 channel steel 13 arranged horizontally, and a plurality of connecting pieces 14 are connected at the lower end thereof, which may be made of channel steel, and the connecting pieces 14 are fixed to the arc-shaped support 12.
  • the transverse reinforcement 6 is made of 10# channel steel
  • the longitudinal reinforcement 7 is made of 10mm steel bars
  • the panel 17 is 6mm thick
  • the end frame plate 8 is 12mm thick.
  • the technical solution may also include the following technical details to better achieve the technical effect: the lateral support 11 and the connecting member 14 are both telescopic rods;
  • the arc support 12 includes an arc support 12B and an arc support 12C, wherein the arc support 12B is connected to the outer mold B2, and the arc support 12C is connected to the outer mold C3;
  • a track 15 extending in the longitudinal direction, the length of the track 15 is the length of several sets of outer mold templates 4, and the two ends of the track 15 are detachably fixed to the outer mold templates 4 at the head and tail ends;
  • the waterproof layer installation mechanism includes: a clamping assembly, an automatic nail gun 19, a slider 18, a flattening assembly and a discharge assembly.
  • the clamping assembly is detachably fixed to the end of the track 15.
  • the lower section of the clamping assembly is a first electric push rod 16.
  • the lower end of the first electric push rod 16 is connected to a clamping block 17.
  • the clamping block 17 has an arc, and its arc is the same as the arc of the corresponding concrete pipe section 25 to be poured.
  • the slider 18 is slidably arranged on the slide rail, and the automatic nail gun 19 is fixed on the slider 18.
  • the automatic nail gun 19 is arranged to be perpendicular to the concrete pipe section 25 directly below it.
  • the flattening assembly is fixed on the slider 18, the automatic nail gun 19 is arranged between the flattening assembly and the pressing assembly, the flattening assembly includes a second electric push rod 20 and a rubber scraper 21, the second electric push rod 20 is fixed on the slider 18, the rubber scraper 21 adjusts the distance between it and the concrete pipe section 25 directly below through the second electric push rod 20, the discharge assembly is arranged on the other side of the flattening assembly, the discharge assembly includes a bracket 22 and a roller 23, the waterproof membrane 24 is arranged on the roller 23, and the roller 23 is rotatably fixed on the bracket 22.
  • the limit frame 26 includes a limit frame 26, which is arranged between the flattening component and the discharge component.
  • the limit frame 26 includes two limit cross bars arranged at an upper and lower interval. After the waterproof membrane 24 passes through the two limit cross bars, it passes through the rubber scraper 21 of the flattening component.
  • the two limit cross bars of the limit frame 26 are fixed to the slider 18 or the bracket 22 of the discharge component through a connecting frame.
  • the compression degree of the clamping block 17 is adjusted by the first electric push rod 16, and the clamping block 17 is used to clamp the discharge end of the waterproof membrane 24.
  • the slider 18 moves on the slide rail so that the waterproof membrane 24 is laid on the concrete pipe section 25 through the flattening component, and then fixed by the automatic nail gun 19.
  • the present invention also provides a construction method for an outer formwork template 4 of a hydraulic tunnel open-cut structure, comprising the following steps:
  • the inner mold trolley is in place, and after calibration, the inner mold trolley is installed and fixed;
  • the panel 17 of the outer mold template 4 is polished in advance, and a mold release agent is applied. Then, each group of templates and the back frame are assembled in groups. After the assembly is complete, the template is hoisted by a crane to enter the installation position, and each group of outer mold templates 4 is hoisted in turn for connection;
  • the outer formwork trolley is used as a support system to pour the pipe segment 25 concrete on the surface of the inner formwork trolley, completing the use cycle of the inner and outer formwork of a segment of 12 meters;
  • the template is removed and the next cycle begins.
  • the external template is removed according to the principle of installation before removal, and the removed template is reused and enters the next cycle.
  • step 5 is specifically:

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

Disclosed in the present invention are a hydraulic tunnel open-cut structure external mold formwork and a construction method. The hydraulic tunnel open-cut structure external mold formwork comprises a plurality of external mold formworks longitudinally arranged along a central axis. Each external mold formwork comprises external molds A, external molds B, and external molds C which are respectively symmetrically arranged. The external molds A, the external molds B, and the external molds C are connected by means of bolts, and the external mold formworks longitudinally arranged along the central axis are connected by means of bolts. The upper portion of each external mold formwork is correspondingly connected to a group of back frames. A pair of vertical supports are symmetrically connected to two sides of each external mold formwork. According to the present invention, a working face is expanded from an under-cut working face to an open-cut working face, thereby providing spatial conditions for the working of large devices.

Description

一种水工隧洞明挖结构外模模板及施工方法External formwork template for hydraulic tunnel open excavation structure and construction method 技术领域Technical Field
本发明涉及水工隧洞施工领域。更具体地说，本发明涉及一种水工隧洞明挖结构外模模板及施工方法。The present invention relates to the field of hydraulic tunnel construction, and more specifically, to an external formwork template of an open-cut structure of a hydraulic tunnel and a construction method thereof.
背景技术Background technique
水工隧洞在山体中或地下开凿的过水洞。水工隧洞可用于灌溉、发电、供水、泄水、输水、施工导流和通航。水流在洞内具有自由水面的，称为无压隧洞；充满整个断面，使洞壁承受一定水压力的，称为有压隧洞。水工隧洞主要由进水口、洞身和出口段组成(发电用的引水隧洞在洞身后接压力水管，渠道上的输水隧洞和通航隧洞只有洞身段。闸门可设在进口、出口或洞内的适宜位置。出口设有消能防冲设施。为防止岩石坍塌和渗水等，洞身段常用锚喷(采用锚杆和喷射混凝土)或钢筋混凝土做成临时支护或永久性衬砌。洞身断面可为圆形、城门洞形或马蹄形。有压隧洞多用圆形。进出口布置、洞线选择以及洞身断面的形状和尺寸，受地形、地质、地应力、枢纽布置、运用要求和施工条件等因素所制约，需要通过技术经济比较后确定。Hydraulic tunnels are water passages dug in mountains or underground. Hydraulic tunnels can be used for irrigation, power generation, water supply, water discharge, water delivery, construction diversion and navigation. Tunnel with free water surface in the tunnel is called unpressured tunnel; tunnel with full cross section and causing the tunnel wall to bear a certain water pressure is called pressurized tunnel. Hydraulic tunnels are mainly composed of water inlet, tunnel body and outlet section (the water diversion tunnel for power generation is connected to the pressure water pipe after the tunnel body, and the water conveyance tunnel and navigation tunnel on the channel only have the tunnel body section. The gate can be set at the inlet, outlet or appropriate position in the tunnel. The outlet is equipped with energy dissipation and anti-collision facilities. In order to prevent rock collapse and water seepage, etc., the tunnel body section is often made of anchor spraying (using anchor rods and shotcrete) or reinforced concrete to make temporary support or permanent lining. The tunnel body section can be circular, gate-shaped or horseshoe-shaped. Pressurized tunnels are mostly circular. The layout of inlets and outlets, the selection of tunnel lines, and the shape and size of the tunnel body section are restricted by factors such as topography, geology, geostress, hub layout, application requirements and construction conditions, and need to be determined after technical and economic comparison.
传统水工隧洞采用暗挖结构，不需要外模板。但存在开挖支护工期较长，作业面狭小，遇到复杂地质情况，施工安全难以得到保障，外侧形体难以得到保证等问题。Traditional hydraulic tunnels use a dark excavation structure and do not require external formwork. However, there are problems such as a long excavation and support period, a narrow working surface, and difficulty in ensuring construction safety and the outer shape when encountering complex geological conditions.
发明内容Summary of the invention
本发明的目的是提供一种水工隧洞明挖结构外模模板及施工方法，由暗挖作业面扩大为明挖作业面，为各种大型设备的展开提供了空间条件。The purpose of the present invention is to provide an external formwork template and construction method for an open-cut structure of a hydraulic tunnel, which expands the dark-cut working surface into an open-cut working surface, thus providing space conditions for the deployment of various large-scale equipment.
本发明解决此技术问题所采用的技术方案是：一种水工隧洞明挖结构外模模板，包括：The technical solution adopted by the present invention to solve this technical problem is: an external formwork template for an open-cut structure of a hydraulic tunnel, comprising:
若干套沿中轴线纵向排布的外模模板，所述外模模板包括对称设置的外模A、外模B和外模C，外模A、外模B和外模C之间以及沿中轴线纵向排布的外模模板之间通过螺栓连接；A plurality of sets of outer mold templates are arranged longitudinally along the central axis, wherein the outer mold templates include symmetrically arranged outer mold A, outer mold B and outer mold C, and the outer mold templates A, outer mold B and outer mold C and the outer mold templates arranged longitudinally along the central axis are connected by bolts;
每套外模模板上部对应连接一组背架；每套外模模板两侧对称连接一对竖向支撑。A set of back frames is correspondingly connected to the upper part of each set of outer mold templates; and a pair of vertical supports are symmetrically connected to both sides of each set of outer mold templates.
优选的是，每套外模模板的一对外模A对称设置于两侧，外模A上端与外模B连接，外模B另一端与外模C连接。Preferably, a pair of outer molds A of each set of outer mold templates are symmetrically arranged on both sides, the upper end of the outer mold A is connected to the outer mold B, and the other end of the outer mold B is connected to the outer mold C.
优选的是，所述外模C，外模A和外模B由内到外的结构相同，所述外模A由内向外包括面板、横筋和纵筋，所述面板的外周固定有一圈边端框板，若干横筋和纵筋等间隔固定于边端框板上，所述边端框板的厚度为面板厚度的1.5-2.5倍。Preferably, the outer mold C, outer mold A and outer mold B have the same structure from the inside to the outside, and the outer mold A includes a panel, transverse ribs and longitudinal ribs from the inside to the outside. A circle of end frame plates is fixed to the outer periphery of the panel, and a plurality of transverse ribs and longitudinal ribs are fixed at equal intervals on the end frame plates. The thickness of the end frame plates is 1.5-2.5 times the thickness of the panel.
优选的是，所述竖向支撑包括竖向槽钢，其下部通过勾头螺栓与外模A和外模B的下端连接，所述竖向槽钢上部设置有若干加强筋，所述竖向槽钢的上部通过若干横向支撑与弧形支撑连接，所述弧形支撑与外模B、外模C连接，所述弧形支撑的弧度与外模B和外模C的弧度一致。Preferably, the vertical support includes a vertical channel steel, the lower part of which is connected to the lower ends of the outer mold A and the outer mold B through hook bolts, a plurality of reinforcing ribs are provided on the upper part of the vertical channel steel, the upper part of the vertical channel steel is connected to the arc support through a plurality of transverse supports, the arc support is connected to the outer mold B and the outer mold C, and the curvature of the arc support is consistent with the curvature of the outer mold B and the outer mold C.
优选的是，所述背架包括双20槽钢横向设置，其下端连接若干连接件，所述连接件与所述弧形支撑固定。Preferably, the back frame comprises a double 20 channel steel arranged transversely, the lower end of which is connected to a plurality of connecting pieces, and the connecting pieces are fixed to the arc-shaped support.
优选的是，所述横筋采用10#槽钢，所述纵筋采用10mm钢筋，所述面板厚度为6mm，所述边端框板厚度为12mm。Preferably, the transverse reinforcement is made of 10# channel steel, the longitudinal reinforcement is made of 10mm steel bars, the panel thickness is 6mm, and the end frame plate thickness is 12mm.
本发明还提供了一种利用所述的水工隧洞明挖结构外模模板的施工方法，包括以下步骤：The present invention also provides a construction method using the hydraulic tunnel open-cut structure outer formwork template, comprising the following steps:
1)内模台车就位1) Inner mold trolley is in place
钢筋工序施工完成后，内模台车就位，校准完毕后，内模台车进行安装固定；After the reinforcement process is completed, the inner mold trolley is in place, and after calibration, the inner mold trolley is installed and fixed;
2)外模模板拼装 2) External mold template assembly
预先将外模模板的面板打磨完成，涂刷脱模剂，然后将各组模板与背架进行分组拼装，拼装完好后使用吊机吊装模板进入安装位置，依次吊装各组外模模板进行连接；The panel of the outer mold template is polished in advance, and the mold release agent is applied. Then, each group of templates and the back frame are assembled in groups. After the assembly is complete, the template is hoisted by a crane to the installation position, and each group of outer mold templates is hoisted in turn for connection;
3)外模模板加固3) External formwork reinforcement
整套模板安装就位后根据浇筑工艺进行加固，包括竖向支撑，对拉钢筋和钩头螺栓，同时进行预埋件的安装；After the whole set of formwork is installed in place, it is reinforced according to the pouring process, including vertical support, tension steel bars and hook bolts, and the embedded parts are installed at the same time;
4)混凝土浇筑4) Concrete pouring
模板加固完成后，利用外模台车作为支撑体系，在内模台车表面进行浇筑管节混凝土，完成一个节段内外模板的使用循环；After the formwork is reinforced, the outer formwork trolley is used as a support system to pour the pipe segment concrete on the surface of the inner formwork trolley, completing the use cycle of the inner and outer formwork of a segment;
5)模板拆除，进入下一循环。5) The template is removed and the next cycle begins.
本发明至少包括以下有益效果：The present invention has at least the following beneficial effects:
(1)缩短开挖周期：暗挖结构开挖支护需要控制施工进尺，进度较慢。在埋深较浅的部位进行明挖施工，能够开辟新的工作面，且开挖支护速度远高于暗挖结构。(1) Shorten the excavation cycle: The excavation and support of the dark excavation structure requires control of the construction progress, which is slow. Open excavation construction in shallow buried areas can open up new working surfaces, and the excavation and support speed is much higher than that of the dark excavation structure.
(2)扩大作业面：由暗挖作业面扩大为明挖作业面，为各种大型设备的展开提供了空间条件。(2) Expanding the working surface: Expanding the working surface from a dark excavation to an open excavation provides space conditions for the deployment of various large-scale equipment.
(3)缩短结构施工周期：拼装式模板相较于外模台车，不需要额外设置外模台车轨道。且可以使用两套模板同时施工，节约等强时间，缩短施工周期。(3) Shorten the structural construction period: Compared with the external formwork trolley, the assembled formwork does not require additional external formwork trolley tracks. In addition, two sets of formwork can be used for construction at the same time, saving waiting time and shortening the construction period.
(4)节约施工成本：拼装式钢模板的价格远低于外模模板台车，能够有效节约施工成本。(4) Save construction costs: The price of assembled steel formwork is much lower than that of external formwork trolley, which can effectively save construction costs.
本发明的其它优点、目标和特征将部分通过下面的说明体现，部分还将通过对本发明的研究和实践而为本领域的技术人员所理解。Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明水工隧洞明挖结构外模模板示意图；FIG1 is a schematic diagram of an outer formwork template of an open-cut structure of a hydraulic tunnel according to the present invention;
图2是本发明水工隧洞明挖结构外模模板侧视图；FIG2 is a side view of the outer formwork template of the hydraulic tunnel open-cut structure of the present invention;
图3是本发明外模A结构示意图；FIG3 is a schematic structural diagram of an outer mold A of the present invention;
图4是本发明一个实施例防水层安装机构和轨道的安装示意图。
附图标记说明：1外模A，2外模B，3外模C，4外模模板，5面板，6横筋，7纵筋，8边端框板，9竖向
槽钢，10勾头螺栓，11横向支撑，12弧形支撑，13双20槽钢，14连接件，15轨道，16第一电动推杆，17压紧块，18滑块，19自动射钉枪，20第二电动推杆，21橡胶刮板，22支架，23滚轴，24防水卷材，25管节，26限位架。FIG. 4 is a schematic diagram of the installation of a waterproof layer installation mechanism and a track according to an embodiment of the present invention.
Explanation of the reference numerals: 1 outer mold A, 2 outer mold B, 3 outer mold C, 4 outer mold template, 5 panel, 6 transverse reinforcement, 7 longitudinal reinforcement, 8 end frame plate, 9 vertical channel steel, 10 hook bolt, 11 transverse support, 12 arc support, 13 double 20 channel steel, 14 connecting part, 15 track, 16 first electric push rod, 17 clamping block, 18 slider, 19 automatic nail gun, 20 second electric push rod, 21 rubber scraper, 22 bracket, 23 roller, 24 waterproof membrane, 25 pipe joint, 26 limit frame.
具体实施方式Detailed ways
下面结合附图对本发明进行详细、完整的说明。本领域普通技术人员在基于这些说明的情况下将能够实现本发明。在结合附图对本发明进行说明前，需要特别指出的是：本发明中在包括下述说明在内的各部分中所提供的技术方案和技术特征，在不冲突的情况下，这些技术方案和技术特征可以相互组合。The present invention is described in detail and completely below in conjunction with the accompanying drawings. A person skilled in the art will be able to implement the present invention based on these descriptions. Before describing the present invention in conjunction with the accompanying drawings, it should be particularly pointed out that the technical solutions and technical features provided in each part of the present invention, including the following description, can be combined with each other without conflict.
此外，下述说明中涉及到的本发明的实施例通常仅是本发明一部分的实施例，而不是全部的实施例。因此，基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应当属于本发明保护的范围。In addition, the embodiments of the present invention involved in the following description are generally only a part of the embodiments of the present invention, rather than all the embodiments. Therefore, based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
以下结合附图及实施对本发明作进一步的详细说明，其具体实施过程如下：The present invention is further described in detail below in conjunction with the accompanying drawings and implementations, and its specific implementation process is as follows:
如图1～4所示，本发明提供一种水工隧洞明挖结构外模模板4，包括：As shown in FIGS. 1 to 4 , the present invention provides an outer formwork template 4 for an open-cut structure of a hydraulic tunnel, comprising:
若干套沿中轴线纵向排布的外模模板4，所述外模模板4包括对称设置的外模A1、外模B2和外模C3，外模A1、外模B2和外模C3之间以及沿中轴线纵向排布的外模模板4之间通过螺栓连接；A plurality of sets of outer mold templates 4 arranged longitudinally along the central axis, wherein the outer mold templates 4 include symmetrically arranged outer molds A1, B2 and C3, and the outer mold templates A1, B2 and C3 and the outer mold templates 4 arranged longitudinally along the central axis are connected by bolts;
每套外模模板4上部对应连接一组背架；每套外模模板4两侧对称连接一对竖向支撑。 A set of back frames are correspondingly connected to the upper part of each set of outer mold templates 4; and a pair of vertical supports are symmetrically connected to the two sides of each set of outer mold templates 4.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：每套外模模板4的一对外模A1对称设置于两侧，外模A1上端与外模B2连接，外模B2另一端与外模C3连接。The technical solution may also include the following technical details to better achieve the technical effect: a pair of outer molds A1 of each set of outer mold templates 4 are symmetrically arranged on both sides, the upper end of the outer mold A1 is connected to the outer mold B2, and the other end of the outer mold B2 is connected to the outer mold C3.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述外模C3，外模A1和外模B2由内到外的结构相同，所述外模A1由内向外包括面板17、横筋6和纵筋7，所述面板17的外周固定有一圈边端框板8，若干横筋6和纵筋7等间隔固定于边端框板8上，所述边端框板8的厚度为面板17厚度的1.5-2.5倍。The present technical scheme may also include the following technical details to better achieve the technical effect: the outer mold C3, outer mold A1 and outer mold B2 have the same structure from the inside to the outside, the outer mold A1 includes a panel 17, transverse ribs 6 and longitudinal ribs 7 from the inside to the outside, a circle of edge frame plates 8 are fixed on the outer periphery of the panel 17, a number of transverse ribs 6 and longitudinal ribs 7 are fixed on the edge frame plates 8 at equal intervals, and the thickness of the edge frame plates 8 is 1.5-2.5 times the thickness of the panel 17.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述竖向支撑包括竖向槽钢9，其下部通过D20勾头螺栓10与外模A1和外模B2的下端连接，所述竖向槽钢9上部设置有若干加强筋，所述加强筋采用8#槽钢制成，所述竖向槽钢9的上部通过若干横向支撑11与弧形支撑12连接，所述弧形支撑12采用双16槽钢，所述弧形支撑12与外模B2、外模C3连接，所述弧形支撑12的弧度与外模B2和外模C3的弧度一致，横向槽钢采用单16槽钢，背架及竖向槽钢9对外模板起到固定形体、支撑受力的作用。The technical scheme may also include the following technical details to better achieve the technical effect: the vertical support includes a vertical channel steel 9, the lower part of which is connected to the lower end of the outer mold A1 and the outer mold B2 through a D20 hook bolt 10, and a plurality of reinforcing ribs are arranged on the upper part of the vertical channel steel 9, and the reinforcing ribs are made of 8# channel steel. The upper part of the vertical channel steel 9 is connected to the arc support 12 through a plurality of transverse supports 11, and the arc support 12 adopts double 16 channel steel. The arc support 12 is connected to the outer mold B2 and the outer mold C3, and the curvature of the arc support 12 is consistent with the curvature of the outer mold B2 and the outer mold C3. The transverse channel steel adopts a single 16 channel steel. The back frame and the vertical channel steel 9 play the role of fixing the shape and supporting the force of the outer mold.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述背架包括双20槽钢13横向设置，其下端连接若干连接件14，可以选用槽钢制成，所述连接件14与所述弧形支撑12固定。The technical solution may also include the following technical details to better achieve the technical effect: the back frame includes a double 20 channel steel 13 arranged horizontally, and a plurality of connecting pieces 14 are connected at the lower end thereof, which may be made of channel steel, and the connecting pieces 14 are fixed to the arc-shaped support 12.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述横筋6采用10#槽钢，所述纵筋7采用10mm钢筋，所述面板17厚度为6mm，所述边端框板8厚度为12mm。The present technical solution may also include the following technical details to better achieve the technical effect: the transverse reinforcement 6 is made of 10# channel steel, the longitudinal reinforcement 7 is made of 10mm steel bars, the panel 17 is 6mm thick, and the end frame plate 8 is 12mm thick.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述横向支撑11和连接件14均为伸缩杆；The technical solution may also include the following technical details to better achieve the technical effect: the lateral support 11 and the connecting member 14 are both telescopic rods;
所述弧形支撑12包括弧形支撑12B和弧形支撑12C，所述弧形支撑12B与外模B2连接，所述弧形支撑12C与外模C3连接；The arc support 12 includes an arc support 12B and an arc support 12C, wherein the arc support 12B is connected to the outer mold B2, and the arc support 12C is connected to the outer mold C3;
还包括：轨道15，其沿纵向延伸，轨道15长度为若干套外模模板4长度，所述轨道15的两端与首尾两端的外模模板4开拆卸的固定；It also includes: a track 15 extending in the longitudinal direction, the length of the track 15 is the length of several sets of outer mold templates 4, and the two ends of the track 15 are detachably fixed to the outer mold templates 4 at the head and tail ends;
防水层安装机构包括：压紧组件、自动射钉枪19、滑块18、展平组件和放料组件，所述压紧组件可拆卸固定于轨道15的端头，所述压紧组件的下段为第一电动推杆16，所述第一电动推杆16的下端连接有压紧块17，所述压紧块17具有弧度，其弧度与对应浇筑的混凝土管节25弧度相同，滑块18可滑动的设置于所述滑轨上，所述滑块18上固定所述自动射钉枪19，所述自动射钉枪19设置为垂直于其正下方的混凝土管节25设置，展平组件固定于滑块18上，所述自动射钉枪19设置于所述展平组件和所述压紧组件之间，所述展平组件包括第二电动推杆20和橡胶刮板21，所述第二电动推杆20固定于滑块18上，所述橡胶刮板21通过第二电动推杆20调节其与正下方的混凝土管节25的距离，所述放料组件设置于所述展平组件另一侧，所述放料组件包括支架22和滚轴23，防水卷材24设置于滚轴23上，滚轴23可转动的固定于支架22上。The waterproof layer installation mechanism includes: a clamping assembly, an automatic nail gun 19, a slider 18, a flattening assembly and a discharge assembly. The clamping assembly is detachably fixed to the end of the track 15. The lower section of the clamping assembly is a first electric push rod 16. The lower end of the first electric push rod 16 is connected to a clamping block 17. The clamping block 17 has an arc, and its arc is the same as the arc of the corresponding concrete pipe section 25 to be poured. The slider 18 is slidably arranged on the slide rail, and the automatic nail gun 19 is fixed on the slider 18. The automatic nail gun 19 is arranged to be perpendicular to the concrete pipe section 25 directly below it. 5, the flattening assembly is fixed on the slider 18, the automatic nail gun 19 is arranged between the flattening assembly and the pressing assembly, the flattening assembly includes a second electric push rod 20 and a rubber scraper 21, the second electric push rod 20 is fixed on the slider 18, the rubber scraper 21 adjusts the distance between it and the concrete pipe section 25 directly below through the second electric push rod 20, the discharge assembly is arranged on the other side of the flattening assembly, the discharge assembly includes a bracket 22 and a roller 23, the waterproof membrane 24 is arranged on the roller 23, and the roller 23 is rotatably fixed on the bracket 22.
还包括限位架26，其设置于展平组件和放料组件之间，所述限位架26包括两根限位横杆上下间隔设置，防水卷材24穿过两根限位横杆后，再通过展平组件的橡胶刮板21，限位架26的两根限位横杆通过连接架与滑块18或者放料组件的支架22固定。It also includes a limit frame 26, which is arranged between the flattening component and the discharge component. The limit frame 26 includes two limit cross bars arranged at an upper and lower interval. After the waterproof membrane 24 passes through the two limit cross bars, it passes through the rubber scraper 21 of the flattening component. The two limit cross bars of the limit frame 26 are fixed to the slider 18 or the bracket 22 of the discharge component through a connecting frame.
上述方案中，通过第一电动推杆16调节压紧块17的压紧度，利用压紧块17压紧防水卷材24的出料端，滑块18在滑轨上移动使防水卷材24通过展平组件铺料于混凝土管节25上，之后通过自动射钉枪19固定。In the above scheme, the compression degree of the clamping block 17 is adjusted by the first electric push rod 16, and the clamping block 17 is used to clamp the discharge end of the waterproof membrane 24. The slider 18 moves on the slide rail so that the waterproof membrane 24 is laid on the concrete pipe section 25 through the flattening component, and then fixed by the automatic nail gun 19.
本发明还提供了水工隧洞明挖结构外模模板4的施工方法，包括以下步骤：The present invention also provides a construction method for an outer formwork template 4 of a hydraulic tunnel open-cut structure, comprising the following steps:
1)内模台车就位1) Inner mold trolley is in place
钢筋工序施工完成后，内模台车就位，校准完毕后，内模台车进行安装固定；After the reinforcement process is completed, the inner mold trolley is in place, and after calibration, the inner mold trolley is installed and fixed;
2)外模模板4拼装2) Assembly of outer mold template 4
预先将外模模板4的面板17打磨完成，涂刷脱模剂，然后将各组模板与背架进行分组拼装，拼装完好后使用吊机吊装模板进入安装位置，依次吊装各组外模模板4进行连接； The panel 17 of the outer mold template 4 is polished in advance, and a mold release agent is applied. Then, each group of templates and the back frame are assembled in groups. After the assembly is complete, the template is hoisted by a crane to enter the installation position, and each group of outer mold templates 4 is hoisted in turn for connection;
3)外模模板4加固3) External formwork 4 reinforcement
整套模板安装就位后根据浇筑工艺进行加固，包括竖向支撑，对拉钢筋和钩头螺栓，同时进行预埋件的安装；After the whole set of formwork is installed in place, it is reinforced according to the pouring process, including vertical support, tension steel bars and hook bolts, and the embedded parts are installed at the same time;
4)混凝土浇筑4) Concrete pouring
模板加固完成后，利用外模台车作为支撑体系，在内模台车表面进行浇筑管节25混凝土，完成一个节段12米内外模板的使用循环；After the formwork reinforcement is completed, the outer formwork trolley is used as a support system to pour the pipe segment 25 concrete on the surface of the inner formwork trolley, completing the use cycle of the inner and outer formwork of a segment of 12 meters;
5)模板拆除，进入下一循环。按照先安后拆原则进行外模板的拆除，拆除完成的模板重新利用进入下一循环。5) The template is removed and the next cycle begins. The external template is removed according to the principle of installation before removal, and the removed template is reused and enters the next cycle.
本技术方案还可以包括以下技术细节，以更好地实现技术效果：所述步骤5)具体为：This technical solution may also include the following technical details to better achieve the technical effect: the step 5) is specifically:
5.1，将首尾两端外模模板4的对拉钢筋解除、将首尾两端外模模板4之间的拼装解除，同步拆除除首尾两端的外模模板4；5.1, remove the tensioning steel bars of the outer formwork templates 4 at both ends, remove the assembly between the outer formwork templates 4 at both ends, and simultaneously remove the outer formwork templates 4 except for the end;
5.2，通过横向支撑11和连接接调整外模B2和外模C3距离管节25至设定距离；5.2, adjust the distance between the outer mold B2 and the outer mold C3 and the pipe segment 25 to the set distance through the transverse support 11 and the connection;
5.3，在外模B2、外模C3上安装轨道15，一共安装四组轨道15，将防水层安装机构安装于轨道15上，对管节25外部铺设防水层，全部防水层铺设完毕后，拆除所有模板和组件，进入下一循环。5.3. Install tracks 15 on the outer molds B2 and C3. Install four sets of tracks 15 in total. Install the waterproof layer installation mechanism on the tracks 15. Lay the waterproof layer on the outside of the pipe section 25. After all the waterproof layers are laid, remove all templates and components to enter the next cycle.
尽管本发明的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的实施例。 Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the embodiments shown and described herein.

Claims (9)

  1. 一种水工隧洞明挖结构外模模板，其特征在于，包括：An external formwork template for an open-cut structure of a hydraulic tunnel, characterized by comprising:
    若干套沿中轴线纵向排布的外模模板，所述外模模板包括对称设置的外模A、外模B和外模C，外模A、外模B和外模C之间以及沿中轴线纵向排布的外模模板之间通过螺栓连接；A plurality of sets of outer mold templates are arranged longitudinally along the central axis, wherein the outer mold templates include symmetrically arranged outer mold A, outer mold B and outer mold C, and the outer mold templates A, outer mold B and outer mold C and the outer mold templates arranged longitudinally along the central axis are connected by bolts;
    每套外模模板上部对应连接一组背架；每套外模模板两侧对称连接一对竖向支撑。A set of back frames is correspondingly connected to the upper part of each set of outer mold templates; and a pair of vertical supports are symmetrically connected to both sides of each set of outer mold templates.
  2. 如权利要求1所述的水工隧洞明挖结构外模模板，其特征在于，每套外模模板的一对外模A对称设置于两侧，外模A上端与外模B连接，外模B另一端与外模C连接。The outer formwork template of the open-cut structure of a hydraulic tunnel as described in claim 1 is characterized in that a pair of outer forms A of each set of outer formwork templates are symmetrically arranged on both sides, the upper end of the outer form A is connected to the outer form B, and the other end of the outer form B is connected to the outer form C.
  3. 如权利要求2所述的水工隧洞明挖结构外模模板，其特征在于，所述外模C，外模A和外模B由内到外的结构相同，所述外模A由内向外包括面板、横筋和纵筋，所述面板的外周固定有一圈边端框板，若干横筋和纵筋等间隔固定于边端框板上，所述边端框板的厚度为面板厚度的1.5-2.5倍。The outer formwork template of the open-cut structure of a hydraulic tunnel as described in claim 2 is characterized in that the outer formwork C, outer formwork A and outer formwork B have the same structure from the inside to the outside, the outer formwork A includes a panel, transverse reinforcement and longitudinal reinforcement from the inside to the outside, a circle of end frame plates is fixed on the outer periphery of the panel, a plurality of transverse reinforcements and longitudinal reinforcements are fixed on the end frame plates at equal intervals, and the thickness of the end frame plates is 1.5-2.5 times the thickness of the panel.
  4. 如权利要求3所述的水工隧洞明挖结构外模模板，其特征在于，所述竖向支撑包括竖向槽钢，其下部通过勾头螺栓与外模A和外模B的下端连接，所述竖向槽钢上部设置有若干加强筋，所述竖向槽钢的上部通过若干横向支撑与弧形支撑连接，所述弧形支撑与外模B、外模C连接，所述弧形支撑的弧度与外模B和外模C的弧度一致。The outer formwork template of the open-cut structure of a hydraulic tunnel as described in claim 3 is characterized in that the vertical support includes a vertical channel steel, the lower part of which is connected to the lower ends of the outer form A and the outer form B by hook bolts, a plurality of reinforcing ribs are arranged on the upper part of the vertical channel steel, the upper part of the vertical channel steel is connected to the arc support through a plurality of transverse supports, the arc support is connected to the outer form B and the outer form C, and the curvature of the arc support is consistent with the curvature of the outer form B and the outer form C.
  5. 如权利要求4所述的水工隧洞明挖结构外模模板，其特征在于，所述背架包括双20槽钢横向设置，其下端连接若干连接件，所述连接件与所述弧形支撑固定。The outer formwork template of the open-cut structure of a hydraulic tunnel as described in claim 4 is characterized in that the back frame includes a double 20 channel steel arranged horizontally, and a plurality of connecting parts are connected to the lower end thereof, and the connecting parts are fixed to the arc-shaped support.
  6. 如权利要求3所述的水工隧洞明挖结构外模模板，其特征在于，所述横筋采用10#槽钢，所述纵筋采用10mm钢筋，所述面板厚度为6mm，所述边端框板厚度为12mm。The outer formwork template of the open-cut structure of a hydraulic tunnel as described in claim 3 is characterized in that the transverse reinforcement is made of 10# channel steel, the longitudinal reinforcement is made of 10mm steel bars, the panel thickness is 6mm, and the end frame plate thickness is 12mm.
  7. 如权利要求4所述的水工隧洞明挖结构外模模板，其特征在于，所述横向支撑和连接件均为伸缩杆；The outer formwork template of the hydraulic tunnel open-cut structure according to claim 4 is characterized in that the lateral supports and connectors are telescopic rods;
    所述弧形支撑包括弧形支撑B和弧形支撑C，所述弧形支撑B与外模B连接，所述弧形支撑C与外模C连接；The arc support includes an arc support B and an arc support C, the arc support B is connected to the outer mold B, and the arc support C is connected to the outer mold C;
    还包括：轨道，其沿纵向延伸，轨道长度为若干套外模模板长度，所述轨道的两端与首尾两端的外模模板开拆卸的固定；It also includes: a track extending in the longitudinal direction, the length of the track being the length of several sets of outer mold templates, and the two ends of the track are detachably fixed to the outer mold templates at the head and tail ends;
    防水层安装机构包括：压紧组件、自动射钉枪、滑块、展平组件和放料组件，所述压紧组件可拆卸固定于轨道的端头，所述压紧组件的下段为第一电动推杆，所述第一电动推杆的下端连接有压紧块，所述压紧块具有弧度，其弧度与对应浇筑的混凝土管节弧度相同，滑块可滑动的设置于所述滑轨上，所述滑块上固定所述自动射钉枪，所述自动射钉枪设置为垂直于其正下方的混凝土管节设置，展平组件固定于滑块上，所述自动射钉枪设置于所述展平组件和所述压紧组件之间，所述展平组件包括第二电动推杆和橡胶刮板，所述第二电动推杆固定于滑块上，所述橡胶刮板通过第二电动推杆调节其与正下方的混凝土管节的距离，所述放料组件设置于所述展平组件另一侧，所述放料组件包括支架和滚轴，防水卷材设置于滚轴上，滚轴可转动的固定于支架上。The waterproof layer installation mechanism comprises: a clamping assembly, an automatic nail gun, a slider, a flattening assembly and a discharge assembly, wherein the clamping assembly is detachably fixed to the end of the track, the lower section of the clamping assembly is a first electric push rod, the lower end of the first electric push rod is connected with a clamping block, the clamping block has an arc, and its arc is the same as the arc of the corresponding cast concrete pipe section, the slider is slidably arranged on the slide rail, the automatic nail gun is fixed on the slider, the automatic nail gun is arranged to be perpendicular to the concrete pipe section directly below it, the flattening assembly is fixed on the slider, the automatic nail gun is arranged between the flattening assembly and the clamping assembly, the flattening assembly comprises a second electric push rod and a rubber scraper, the second electric push rod is fixed on the slider, the rubber scraper adjusts the distance between it and the concrete pipe section directly below it through the second electric push rod, the discharge assembly is arranged on the other side of the flattening assembly, the discharge assembly comprises a bracket and a roller, the waterproof membrane is arranged on the roller, and the roller is rotatably fixed on the bracket.
    还包括限位架，其设置于展平组件和放料组件之间，所述限位架包括两根限位横杆上下间隔设置，防水卷材穿过两根限位横杆后，再通过展平组件的橡胶刮板，限位架的两根限位横杆通过连接架与滑块或者放料组件的支架固定。It also includes a limit frame, which is arranged between the flattening component and the discharge component. The limit frame includes two limit cross bars arranged at an upper and lower interval. After the waterproof membrane passes through the two limit cross bars, it passes through the rubber scraper of the flattening component. The two limit cross bars of the limit frame are fixed to the slider or the bracket of the discharge component through a connecting frame.
  8. 利用如权利要求1～7任一所述的水工隧洞明挖结构外模模板的施工方法，包括以下步骤：The construction method using the outer formwork template of the hydraulic tunnel open-cut structure as claimed in any one of claims 1 to 7 comprises the following steps:
    1)内模台车就位 1) Inner mold trolley is in place
    钢筋工序施工完成后，内模台车就位，校准完毕后，内模台车进行安装固定；After the reinforcement process is completed, the inner mold trolley is in place, and after calibration, the inner mold trolley is installed and fixed;
    2)外模模板拼装2) External mold template assembly
    预先将外模模板的面板打磨完成，涂刷脱模剂，然后将各组模板与背架进行分组拼装，拼装完好后使用吊机吊装模板进入安装位置，依次吊装各组外模模板进行连接；The panel of the outer mold template is polished in advance, and the mold release agent is applied. Then, each group of templates and the back frame are assembled in groups. After the assembly is complete, the template is hoisted by a crane to the installation position, and each group of outer mold templates is hoisted in turn for connection;
    3)外模模板加固3) External formwork reinforcement
    整套模板安装就位后根据浇筑工艺进行加固，包括竖向支撑，对拉钢筋和钩头螺栓，同时进行预埋件的安装；After the whole set of formwork is installed in place, it is reinforced according to the pouring process, including vertical support, tension steel bars and hook bolts, and the embedded parts are installed at the same time;
    4)混凝土浇筑4) Concrete pouring
    模板加固完成后，利用外模台车作为支撑体系，在内模台车表面进行浇筑管节混凝土，完成一个节段内外模板的使用循环；After the formwork is reinforced, the outer formwork trolley is used as a support system to pour the pipe segment concrete on the surface of the inner formwork trolley, completing the use cycle of the inner and outer formwork of a segment;
    5)模板拆除，进入下一循环。5) The template is removed and the next cycle begins.
  9. 如权利要求8所述的水工隧洞明挖结构外模模板的施工方法，所述步骤5)具体为：The construction method of the outer formwork of the hydraulic tunnel open-cut structure according to claim 8, wherein the step 5) is specifically:
    5.1，将首尾两端外模模板4的对拉钢筋解除、将首尾两端外模模板4之间的拼装解除，同步拆除除首尾两端的外模模板4；5.1, remove the tensioning steel bars of the outer formwork templates 4 at both ends, remove the assembly between the outer formwork templates 4 at both ends, and simultaneously remove the outer formwork templates 4 except for the end;
    5.2，通过横向支撑11和连接接调整外模B2和外模C3距离管节25至设定距离；5.2, adjust the distance between the outer mold B2 and the outer mold C3 and the pipe segment 25 to the set distance through the transverse support 11 and the connection;
    5.3，在外模B2、外模C3上安装轨道15，一共安装四组轨道15，将防水层安装机构安装于轨道15上，对管节25外部铺设防水层，全部防水层铺设完毕后，拆除所有模板和组件，进入下一循环。 5.3. Install tracks 15 on the outer molds B2 and C3. Install four sets of tracks 15 in total. Install the waterproof layer installation mechanism on the tracks 15. Lay the waterproof layer on the outside of the pipe section 25. After all the waterproof layers are laid, remove all templates and components to enter the next cycle.
PCT/CN2023/088363 2022-12-16 2023-04-14 Hydraulic tunnel open-cut structure external mold formwork and construction method WO2024124759A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211622859.7 2022-12-16
CN202211622859.7A CN116145730A (en) 2022-12-16 2022-12-16 Hydraulic tunnel open cut structure outer mold plate and construction method

Publications (1)

Publication Number Publication Date
WO2024124759A1 true WO2024124759A1 (en) 2024-06-20

Family

ID=86372712

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/088363 WO2024124759A1 (en) 2022-12-16 2023-04-14 Hydraulic tunnel open-cut structure external mold formwork and construction method

Country Status (2)

Country Link
CN (1) CN116145730A (en)
WO (1) WO2024124759A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06272495A (en) * 1993-03-18 1994-09-27 Konoike Constr Ltd Construction method of tunnel
US20150211205A1 (en) * 2014-01-29 2015-07-30 Guangzhou Jishi Construction Group Co., Ltd. Construction system for subway station
CN107747496A (en) * 2017-12-03 2018-03-02 刘辉 Tunnel intelligent construction trolley and the method using chassis laying non-woven geotextile
CN211395897U (en) * 2019-09-24 2020-09-01 中铁八局集团建筑工程有限公司 Underdrain external mold lining trolley
CN112177046A (en) * 2020-10-28 2021-01-05 中铁八局集团第七工程有限公司 Open cut tunnel lining external mold trolley

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06272495A (en) * 1993-03-18 1994-09-27 Konoike Constr Ltd Construction method of tunnel
US20150211205A1 (en) * 2014-01-29 2015-07-30 Guangzhou Jishi Construction Group Co., Ltd. Construction system for subway station
CN107747496A (en) * 2017-12-03 2018-03-02 刘辉 Tunnel intelligent construction trolley and the method using chassis laying non-woven geotextile
CN211395897U (en) * 2019-09-24 2020-09-01 中铁八局集团建筑工程有限公司 Underdrain external mold lining trolley
CN112177046A (en) * 2020-10-28 2021-01-05 中铁八局集团第七工程有限公司 Open cut tunnel lining external mold trolley

Also Published As

Publication number Publication date
CN116145730A (en) 2023-05-23

Similar Documents

Publication Publication Date Title
WO2018214737A1 (en) Construction method for inner structure of single-bore double-track composite lining shield tunnel
WO2021189746A1 (en) Rapid construction structure and method for secondary lining of multiple variable-cross-section bored tunnels
WO2021120991A1 (en) Method for reconstructing shield tunnel for mining construction
CN102345461B (en) Subsequent project and shield driving parallel construction method for long-distance railway tunnel
CN102562094B (en) Cast-in-place construction method for support structure of tunnel groove formwork
CN110017145B (en) Sea area shield mine junction tunnel intra-cavity connection joint and construction method thereof
CN106013233B (en) Sliding system and its construction method for underground pipe gallery cast-in-place construction
CN203022024U (en) Integrally-movable formwork for pipe gallery cast-in-situ construction
CN103437791B (en) The mounting method of buried water stop in a kind of tunnel lining trolley termination
CN102966121A (en) Integrally movable mould frame for pipe rack cast-in-site construction
CN103032081B (en) Cross-river large-diameter slurry shield excavation and double-lining parallel construction method
CN104564102B (en) A kind of tunnel lining concrete grouting device
CN105332709A (en) Construction method for initial supporting arch secondary-lining independent tunnel excavation and structures
CN109610509A (en) A kind of the adjustable die system and construction method of pipe gallery automatic control section
CN110374630A (en) A kind of construction method of tunnel vault concrete vibrating
CN203499697U (en) Trolley used for concrete construction of various cross sections through mining method
WO2024124759A1 (en) Hydraulic tunnel open-cut structure external mold formwork and construction method
CN113217034A (en) Combined primary supporting structure and construction method thereof
CN209868938U (en) Prefabricated piping lane forming die
CN111648785A (en) Shield tunnel entrance to a cave reinforced structure
CN217268107U (en) Prevent infiltration reuse's outer wall I-steel and reserve entrance to a cave plugging device
CN207846469U (en) One kind pre-buried C-shaped channel steel device on piping lane internal model trolley formwork
CN205936634U (en) Big section joint rock mass subway tunnel supporting construction of little clean distance
CN210068171U (en) Tunnel mould spouts concrete support construction equipment
CN109372522B (en) Construction method of complex overlapping tunnel for urban rail transit