WO2013000355A1 - 管、槽圆弧形混凝土底板轻便滑模 - Google Patents

管、槽圆弧形混凝土底板轻便滑模 Download PDF

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Publication number
WO2013000355A1
WO2013000355A1 PCT/CN2012/076414 CN2012076414W WO2013000355A1 WO 2013000355 A1 WO2013000355 A1 WO 2013000355A1 CN 2012076414 W CN2012076414 W CN 2012076414W WO 2013000355 A1 WO2013000355 A1 WO 2013000355A1
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Prior art keywords
arc
bracket
lightweight
slipform
concrete
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PCT/CN2012/076414
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English (en)
French (fr)
Inventor
周建华
刘龙兵
李国建
盛信平
韩炳兰
商永红
覃智斌
关小猛
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中国葛洲坝集团股份有限公司
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Publication of WO2013000355A1 publication Critical patent/WO2013000355A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/102—Removable shuttering; Bearing or supporting devices therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/34—Horizontally-travelling moulds for making walls blockwise or section-wise

Definitions

  • the invention relates to a template for concrete building construction, in particular to a light sliding mode of a circular arc-shaped concrete bottom plate suitable for horizontal section and inclined straight section pipe and groove round concrete construction.
  • the floor of concrete building such as diversion tunnel and diversion canal is generally semi-circular.
  • the conventional construction method is to pour two times. Firstly, the concrete bottom plate in the lowest 90° arc is poured by means of hanging the sample rack, and then the standing is adopted. The mold is used to pour the remaining concrete in the 45° arc range on both sides.
  • the formwork is usually a fixed formwork supported by a steel mold trolley. The problem is that the construction period is long, the overall structure of the formwork is complicated, the production cost is high, and the turnover is The cycle is long.
  • the technical problem to be solved by the invention is to provide a light sliding mode of a circular arc-shaped concrete bottom plate of a pipe and a groove, which can realize the one-time construction and forming of the circular arc-shaped concrete bottom plate of the pipe and the groove at a low cost, and has convenient assembly and disassembly and simple structure. Easy to operate.
  • the technical solution adopted by the present invention is: a light sliding mode of a circular arc-shaped concrete bottom plate of a pipe and a groove, the bracket is assembled into a semi-circular shape by two truss unit pairs, and each truss unit is a truss structure. ;
  • each of the bracket units is connected with a plurality of external chords, and the upper end of the outer chord is connected with the horizontal support member, and the two curved panels are respectively attached to each of the bracket units;
  • the inner side of the curved panel is provided with a plurality of limiting sliding slots, and the outer chord is correspondingly located in the limiting sliding slot and is in sliding engagement with the limiting sliding slot;
  • the upper end of the curved panel is connected to the traction device, and the traction device is connected to the anchor pile.
  • the outer chord has an arc of 90 ⁇ 1°.
  • the upper surface of the curved panel is sloped.
  • the bracket is further provided with a plurality of brace bars, and the other end of the brace is fixed by the anchor pile.
  • the plurality of limit chutes are arranged in parallel.
  • the traction device is a manual hoist.
  • the utility model provides a light sliding mode of a circular arc-shaped concrete bottom plate of a pipe and a groove, so that the vertical casting can complete the pouring of the concrete building floor such as the water diversion tunnel and the water diversion canal, that is, one construction molding.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a plan view of a one-sided curved panel of the present invention.
  • Fig. 3 is a cross-sectional view taken along line A-A of Fig. 2;
  • Fig. 4 is a cross-sectional view taken along line B-B of Fig. 2;
  • a tube and a groove arc-shaped concrete bottom plate are light and sliding, and the bracket 1 is assembled into a semicircular shape by two side bracket units, and each of the bracket units is processed into a truss structure;
  • each of the bracket units is connected with a plurality of external chords 5.
  • the upper end of the outer chord 5 is connected with the horizontal support member 3, and the two curved panels 4 are respectively mounted close to each of the bracket units;
  • a plurality of limiting chutes 8 are disposed on the inner side of the curved panel 4, and the outer chords 5 are correspondingly located in the limiting chute 8 and are in sliding engagement with the limiting chute 8; that is, through the traction device 7 during construction Traction, the curved panel 4 slides up the outer chord 5.
  • the upper end of the curved panel 4 is connected to the traction device 7, and the traction device 7 is connected to the anchor pile 11.
  • the outer chord 5 has a circular arc of 90 ⁇ 1°.
  • the lower opening of the curved panel 4 is a straight line, so that the two curved panels 4 are closed when the bottom of the chamber is initially poured.
  • the upper surface of the curved panel 4 has a slope shape, so that when the oblique straight tube is poured, the inclined higher end of the curved panel 4 is placed at a lower portion of the oblique straight tube, so that the curved panel 4 is The upper mouth is as horizontal as possible to facilitate concrete pouring.
  • the bracket 1 is further provided with a plurality of brace bars 6, and the other end of the brace bars 6 is fixed by the anchor piles 11.
  • the plurality of limit chutes 8 are arranged in parallel.
  • the traction device 7 is a manual hoist. In actual construction, it can also be replaced by pulley block, electric hoist or winch.
  • the supporting screw 2 When the device is in use, the supporting screw 2 is first installed, and then the left and right sides of the two bracket units are mounted in a semicircular shape and fixed on the supporting screw 2.
  • the inner sides of the two curved panels 4 are mounted against the outer chord 5 of the bracket, and the outer chord 5 is embedded in the recess of the limiting slot 8 .
  • the bottom silo is poured.
  • the two curved panels 4 are closely adhered to each other.
  • the traction panel 7 is used to pull the curved panel 4 to slide upward along the outer chord 5 of the bracket, and the concrete is poured down.
  • the demolished concrete is smoothed by hand in time, until the entire arc-shaped floor concrete construction is completed, that is, the concrete closing surface 9 shown in Fig.
  • the utility model provides a light sliding mode of a circular arc-shaped concrete bottom plate of a pipe, wherein the outer chord of the bracket is arranged in the limiting sliding groove of the curved panel, and the outer chord is used as a track for the curved panel to slide upward, thereby
  • the realization of a vertical mold can complete the pouring of the concrete building floor such as the diversion tunnel and the diversion canal, that is, one construction and forming, which improves the working efficiency.
  • the upper surface of the curved panel is arranged in a slope shape, so that the curved panel can also be applied to the construction of the inclined straight pipe and the grooved bottom plate; the present invention realizes the horizontal segment and the inclined at a lower cost than the prior art.
  • the straight pipe and the grooved concrete floor are formed at one time, which reduces the construction cost compared with the steel die trolley; the invention not only realizes one-time pouring of the semi-circular floor concrete, accelerates the construction progress, and has a simpler structure and operation. It's easier.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

一种管、槽圆弧形混凝土底板轻便滑模。该滑模的支架（1）由两榀支架单元左右对拼成接近半圆形，支架（1）底部通过支承螺杆（2）支撑，两块弧形面板（4）分别紧贴每榀支架单元安装。其中，每榀支架单元为桁架结构且与多根外弦杆（5）连接，外弦杆（5）的上端与水平支撑件（3）连接，另一端则位于弧形面板（4）内侧所设的多个限位滑槽（8）内并与限位滑槽（8）形成滑动配合；弧形面板（4）的上口端与牵引装置（7）连接，牵引装置（7）则与锚桩（11）连接。该滑模的外弦杆（5）作为弧形面板（4）滑升的轨道实现了一次立模即可完成引水洞、引水渠等建筑物底板的浇筑。

Description

管、槽圆弧形混凝土底板轻便滑模 技术领域
本发明涉及混凝土建筑施工用模板，特别是适用于水平段和斜直段管、槽圆混凝土施工的一种管、槽圆弧形混凝土底板轻便滑模。
背景技术
引水洞、引水渠等混凝土建筑物底板一般为半圆形，常规的施工方法是分两次浇筑，先采用挂样架抹面的方式浇筑最底层90°弧度范围内的混凝土底板，然后再采用立模的方式浇筑剩余的两侧各45°弧度范围的混凝土，模板通常是采用由钢模台车支撑固定的定型模板，存在的问题是施工周期长，模板整体结构复杂，制作成本高，且周转周期长。
发明内容
本发明所要解决的技术问题是提供一种管、槽圆弧形混凝土底板轻便滑模，可以以较低的成本实现管、槽圆弧形混凝土底板一次施工成形，且装拆方便、结构简单、操作简便。
为解决上述技术问题，本发明所采用的技术方案是：一种管、槽圆弧形混凝土底板轻便滑模，支架由两榀支架单元对拼成接近半圆形，每榀支架单元为桁架结构；
支架底部通过支承螺杆支撑，每榀支架单元与多根外弦杆连接，外弦杆的上端与水平支撑件连接，两块弧形面板分别紧贴每榀支架单元安装；
弧形面板内侧设有多个限位滑槽，外弦杆相应地位于限位滑槽内，并与限位滑槽成滑动配合；
弧形面板的上口端与牵引装置连接，牵引装置与锚桩连接。
所述的外弦杆圆弧弧度为90±1°。
所述的弧形面板上口为斜坡形。
所述的支架上还设有多根拉条，拉条另一端通过锚桩固定。
所述的多个限位滑槽平行设置。
所述的牵引装置为手动葫芦。
本发明提供的一种管、槽圆弧形混凝土底板轻便滑模，实现了一次立模即可完成引水洞、引水渠等混凝土建筑物底板的浇筑，即一次施工成形。
附图概述
下面结合附图和实施例对本发明作进一步说明：
图1是本发明的结构示意图。
图2是本发明中单侧弧形面板的俯视图。
图3是图2的A-A剖视图。
图4是图2的B-B剖视图。
实施方式
如图1、图3、图4中，一种管、槽圆弧形混凝土底板轻便滑模，支架1由两榀支架单元左右对拼成接近半圆形，每榀支架单元加工成桁架结构；
支架1底部通过支承螺杆2支撑，每榀支架单元与多根外弦杆5连接，外弦杆5的上端与水平支撑件3连接，两块弧形面板4分别紧贴每榀支架单元安装；
弧形面板4内侧设有多个限位滑槽8，外弦杆5相应地位于限位滑槽8内，并与限位滑槽8成滑动配合；即在施工时，通过牵引装置7的牵引，弧形面板4沿着外弦杆5向上滑动。
弧形面板4的上口端与牵引装置7连接，牵引装置7与锚桩11连接。
所述的外弦杆5圆弧弧度为90±1°。
如图2中，弧形面板4下口为直线，这样在刚开始浇筑仓底时，两块弧形面板4之间处于闭合状态。所述的弧形面板4上口为斜坡形，这样在浇筑斜直段管时，将弧形面板4的斜坡形较高的一端放置在斜直段管的低处，从而使弧形面板4上口尽可能的处于水平状态，以利于混凝土浇筑。
所述的支架1上还设有多根拉条6，拉条6另一端通过锚桩11固定。
所述的多个限位滑槽8平行设置。
所述的牵引装置7为手动葫芦。实际施工中也可以用滑轮组、电动葫芦或卷扬机替代。
本装置在使用时，先安装支承螺杆2，再将两榀支架单元左、右对拼成半圆状安装固定在支承螺杆2上。
然后在组合成的支架1上口设置水平支撑件3，完成支架1的安装。
支架1安装好后，将两块弧形面板4内侧贴靠支架的外弦杆5安装，外弦杆5嵌入限位滑槽8凹槽内。
首先浇筑底仓，此时两块弧形面板4之间紧贴，浇筑的混凝土4—8h初凝后，采用牵引装置7牵引弧形面板4沿支架外弦杆5徐徐向上滑升，浇筑下一仓，同时由人工及时对脱模后的混凝土进行抹面收光，直至完成整个圆弧型底板混凝土施工，即最终达到图1中所示的混凝土收仓面9，形成混凝土结构面10；为克服混凝土的侧压力，在高度方向设置两、三道拉条6，弧形面板4上口滑升至拉条6处时，将相应高程处的拉条6拆除即可；当弧形面板4提升后，也要随之移动牵引装置7的位置。
工业实用性
本发明提供的一种管、槽圆弧形混凝土底板轻便滑模，通过将支架的外弦杆设于弧形面板的限位滑槽内，外弦杆作为弧形面板滑升的轨道，从而实现了一次立模即可完成引水洞、引水渠等混凝土建筑物底板的浇筑，即一次施工成形，提高了工作效率。通过将支架分解为两个四分之一圆周的支架单元进行加工，这样立模和拆卸方便快捷，提高了立模效率。将弧形面板上口设置为斜坡形，使弧形面板也可以适用于斜直段管、槽圆的底板施工；本发明与现有技术相比，以较低的成本实现了水平段和斜直段管、槽圆混凝土底板一次施工成形，与钢模台车相比降低了施工成本；本发明不仅实现了半圆形底板混凝土一次浇筑成形，加快了施工进度，而且结构更为简单，操作更为简便。

Claims (6)

  1. 一 种管、槽圆弧形混凝土底板轻便滑模，其特征在于：支架（1）由两榀支架单元对拼成接近半圆形，每榀支架单元为桁架结构；
    支架（1）底部通过支承螺杆（2）支撑，每榀支架单元与多根外弦杆（5）连接，外弦杆（5）的上端与水平支撑件（3）连接，两块弧形面板（4）分别紧贴每榀支架单元安装；
    弧形面板（4）内侧设有多个限位滑槽（8），外弦杆（5）相应地位于限位滑槽（8）内，并与限位滑槽（8）成滑动配合；
    弧形面板（4）的上口端与牵引装置（7）连接，牵引装置（7）与锚桩（11）连接。
  2. 根据权利要求1所述的一种管、槽圆弧形混凝土底板轻便滑模，其特征在于：所述的外弦杆（5）圆弧弧度为90±1°。
  3. 根据权利要求1所述的一种管、槽圆弧形混凝土底板轻便滑模，其特征在于：所述的弧形面板（4）上口为斜坡形。
  4. 根据权利要求1所述的一种管、槽圆弧形混凝土底板轻便滑模，其特征在于：所述的支架（1）上还设有多根拉条（6），拉条（6）另一端通过锚桩（11）固定。
  5. 根据权利要求1所述的一种管、槽圆弧形混凝土底板轻便滑模，其特征在于：所述的多个限位滑槽（8）平行设置。
  6. 根据权利要求1所述的一种管、槽圆弧形混凝土底板轻便滑模，其特征在于：所述的牵引装置（7）为手动葫芦。
PCT/CN2012/076414 2011-06-27 2012-06-03 管、槽圆弧形混凝土底板轻便滑模 WO2013000355A1 (zh)

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CN109026013A (zh) * 2018-09-13 2018-12-18 中国水利水电第五工程局有限公司 一种竖井滑模混凝土压光装置及压光方法
CN109371851A (zh) * 2018-12-20 2019-02-22 张勇 多底模头罩支撑架造槽机
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