CN110682416A - Formwork system and construction method of prefabricated integrated pipe gallery - Google Patents

Formwork system and construction method of prefabricated integrated pipe gallery Download PDF

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CN110682416A
CN110682416A CN201911050958.0A CN201911050958A CN110682416A CN 110682416 A CN110682416 A CN 110682416A CN 201911050958 A CN201911050958 A CN 201911050958A CN 110682416 A CN110682416 A CN 110682416A
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template
prefabricated
hydraulic system
pipe gallery
bottom plate
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胡杰
洪火权
胡震
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Hunan No6 Engineering Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/16Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/28Cores; Mandrels
    • B28B7/30Cores; Mandrels adjustable, collapsible, or expanding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/38Treating surfaces of moulds, cores, or mandrels to prevent sticking
    • B28B7/388Treating surfaces of moulds, cores, or mandrels to prevent sticking with liquid material, e.g. lubricating
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/10Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0007Production methods using a mold

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
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  • General Engineering & Computer Science (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

本发明涉及一种预制综合管廊的模板系统及其施工方法,包括预制台座,所述预制台座的两侧分别沿纵向方向分别设置有行走轨道,所述行走轨道上设置有与其行走配合并用于形成综合管廊外模的外模液压系统,所述预制台座的上侧设置有底板,所述底板上设置有可沿纵向移动并用于形成综合管廊内模的内模液压系统,所述底板上还设置有综合管廊的端模板。该预制综合管廊的模板系统有利于改善工程建设质量,提高工作效率。

Figure 201911050958

The invention relates to a formwork system for a prefabricated integrated pipe gallery and a construction method thereof, comprising a prefabricated pedestal, two sides of the prefabricated pedestal are respectively provided with walking rails along the longitudinal direction, and the walking rails are provided with walking rails that cooperate with them and are used for The outer mold hydraulic system for forming the outer mold of the integrated pipe gallery, the upper side of the prefabricated pedestal is provided with a bottom plate, and the bottom plate is provided with an inner mold hydraulic system that can move in the longitudinal direction and is used to form the inner mold of the integrated pipe gallery, the bottom plate is provided with The end formwork of the integrated pipe gallery is also set on the upper part. The formwork system of the prefabricated integrated pipe gallery is conducive to improving the quality of engineering construction and improving work efficiency.

Figure 201911050958

Description

预制综合管廊的模板系统及其施工方法Formwork system and construction method of prefabricated integrated pipe gallery

技术领域technical field

本发明涉及一种预制综合管廊的模板系统及其施工方法。The invention relates to a formwork system for a prefabricated integrated pipe gallery and a construction method thereof.

背景技术Background technique

现有综合管廊的制作方案通常是内膜系统采用半机械化,外模机械化,不仅工作效率低,工程建设质量不佳,大幅增加现场施工工期。并且由于现场施工工期长,使得管廊基坑暴露时间较长,造成管廊节段养护时间短,长桥后廊体徐变和应力损失大的情况。为此,需要一种预制综合管廊的模板系统。The production plan of the existing integrated pipe gallery usually adopts semi-mechanization of the inner membrane system and mechanization of the outer mold, which not only has low work efficiency, but also has poor construction quality and greatly increases the on-site construction period. In addition, due to the long construction period on site, the exposure time of the foundation pit of the pipe gallery is long, resulting in a short maintenance time for the pipe gallery segment, and large creep and stress loss of the gallery body behind the long bridge. To this end, a formwork system for prefabricated integrated pipe gallery is required.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种预制综合管廊的模板系统及其施工方法,该预制综合管廊的模板系统有利于改善工程建设质量,提高工作效率。The purpose of the present invention is to provide a formwork system of a prefabricated integrated pipe gallery and a construction method thereof, and the formwork system of the prefabricated integrated pipe gallery is conducive to improving the quality of engineering construction and improving work efficiency.

本发明的技术方案在于:一种预制综合管廊的模板系统,包括预制台座,所述预制台座的两侧分别沿纵向方向分别设置有行走轨道,所述行走轨道上设置有与其行走配合并用于形成综合管廊外模的外模液压系统,所述预制台座的上侧设置有底板,所述底板上设置有可沿纵向移动并用于形成综合管廊内模的内模液压系统,所述底板上还设置有综合管廊的端模板。The technical scheme of the present invention is as follows: a formwork system for prefabricated integrated pipe gallery, comprising a prefabricated pedestal, two sides of the prefabricated pedestal are respectively provided with walking tracks along the longitudinal direction, and the walking tracks are provided with walking rails that cooperate with them and are used for The outer mold hydraulic system for forming the outer mold of the integrated pipe gallery, the upper side of the prefabricated pedestal is provided with a bottom plate, and the bottom plate is provided with an inner mold hydraulic system that can move in the longitudinal direction and is used to form the inner mold of the integrated pipe gallery, the bottom plate is provided with The end formwork of the integrated pipe gallery is also set on the upper part.

进一步地,所述外模液压系统包括与行走轨道相配合的滑座,所述滑座上设置有外模架,所述外模架的内侧面及顶面设置有外模板,外模架的下端内侧与滑座相铰接,所述滑座的外侧斜向铰接有伸缩气缸,所述伸缩气缸的伸缩端与外模架的下端外侧相铰接。Further, the outer mold hydraulic system includes a sliding seat matched with the walking track, an outer mold frame is arranged on the sliding seat, an outer template is arranged on the inner side and the top surface of the outer mold frame, and the outer mold frame is provided with an outer template. The inner side of the lower end is hinged with the sliding seat, the outer side of the sliding seat is obliquely hinged with a telescopic cylinder, and the telescopic end of the telescopic cylinder is hinged with the outer side of the lower end of the outer mold frame.

进一步地,所述外模架上设置有爬梯,外模架的顶部外侧设置有安全护栏,外模架的顶部设置有操作平台及观测系统。Further, a climbing ladder is provided on the outer mold base, a safety guardrail is provided on the outer side of the top of the outer mold base, and an operating platform and an observation system are provided on the top of the outer mold base.

进一步地,所述滑座的底部设置有与行走轨道相配合的滚轮,所述滚轮由驱动电机驱动旋转。Further, the bottom of the sliding seat is provided with a roller matched with the running track, and the roller is driven to rotate by a driving motor.

进一步地,所述内模液压系统包括架设于底板上并与底板可拆连接的一对纵向导轨,所述纵向导轨的一端设置有悬臂端,所述悬臂端上设置有与纵向导轨滑动配合的安装座,所述安装座上设置有用于形成综合管廊内腔的内模板。Further, the inner mold hydraulic system includes a pair of longitudinal guide rails erected on the base plate and detachably connected to the base plate, one end of the longitudinal guide rail is provided with a cantilever end, and a cantilever end is provided with a sliding fit with the longitudinal guide rail. The installation seat is provided with an inner template for forming the inner cavity of the integrated pipe gallery.

进一步地,所述纵向导轨的下侧分别设置有一对用于使纵向导轨的一端形成悬臂端的支撑块,所述安装座上设置有与纵向导轨滑动配合的滑块。Further, a pair of support blocks for making one end of the longitudinal guide rail form a cantilever end are respectively disposed on the lower side of the longitudinal guide rail, and a sliding block slidingly matched with the longitudinal guide rail is disposed on the mounting seat.

进一步地,所述内模板包括顶模板、底模板和位于两侧的弧形侧模板,所述安装座的上侧竖向设置有若干个驱动顶模板升降的第一气缸,安装座的两侧分别间隔设置有若干与弧形侧模板相连接的第二气缸,安装座的下侧设置有若干个驱动底模板升降的第三气缸。Further, the inner formwork includes a top formwork, a bottom formwork and an arc-shaped side formwork located on both sides. The upper side of the mounting seat is vertically provided with several first cylinders that drive the top formwork to rise and fall, and the two sides of the mounting seat are vertically arranged. A plurality of second cylinders connected to the arc-shaped side formwork are respectively arranged at intervals, and a plurality of third air cylinders for driving the bottom formwork to rise and fall are arranged on the lower side of the mounting seat.

进一步地,所述底板与预制台座之间设置有可调节高度的钢垫块,所述端模板与外模液压系统及内模液压系统可拆连接,端模板上设置有避让内模液压系统的缺口。Further, a height-adjustable steel pad is arranged between the bottom plate and the prefabricated pedestal, the end formwork is detachably connected to the hydraulic system of the outer mold and the hydraulic system of the inner mold, and the end formwork is provided with a spacer that avoids the hydraulic system of the inner mold. gap.

一种预制综合管廊的施工方法,包括的预制综合管廊的模板系统,步骤如下:A construction method for a prefabricated integrated pipe gallery, comprising a formwork system for a prefabricated integrated pipe gallery, the steps are as follows:

(1)在预制台座两侧的行走轨道上分别安装外模液压系统;(1) Install the hydraulic system of the outer mold on the walking tracks on both sides of the prefabricated pedestal;

(2)在底板上绑扎钢筋笼;(2) Bind the steel cage on the bottom plate;

(3)在底座上安装内模液压系统,使外模液压系统的内模板伸入钢筋笼内并展开,之后在外模液压系统和内模液压系统的两侧安装端模板;(3) Install the inner mold hydraulic system on the base, so that the inner template of the outer mold hydraulic system extends into the steel cage and unfolds, and then install the end template on both sides of the outer mold hydraulic system and the inner mold hydraulic system;

(4)在外模液压系统、内模液压系统及端模板围成的型腔内浇筑混凝土;(4) Concrete is poured in the cavity enclosed by the hydraulic system of the outer mold, the hydraulic system of the inner mold and the end formwork;

(5)待强度达到设计要求后,再按端模板,外模板,内膜板的顺序依次拆除模板;(5) After the strength meets the design requirements, remove the formwork in the order of the end formwork, the outer formwork and the inner membrane plate;

(6)先完成的1#梁段的预制,再以其端头作为邻近梁段的端模,将在胎具上绑扎成型的钢筋整体吊入,顺序制出2#、3#、4#、5#、……梁段,完成5-8节的整孔施工;(6) The prefabrication of the 1# beam segment completed first, and then the end of the beam segment is used as the end mold of the adjacent beam segment. , 5#, ... beam sections, complete the whole hole construction of 5-8 sections;

(6)在梁段的顶板上覆盖土工布,梁段的侧面及内箱面采用喷淋养护;(6) Cover the top plate of the beam section with geotextile, and spray the side and inner box surface of the beam section for maintenance;

(7)待到设计强度时,采用75T龙门吊将梁段运至存梁区进行存放。(7) When the design strength is reached, use a 75T gantry crane to transport the beam section to the beam storage area for storage.

进一步地,外模液压系统、内模液压系统及端模板的模板在使用前均清洗干净,并将脱模剂涂刷均匀,采用预制好的梁段做匹配段,梁段间涂刷隔离剂,在梁段断面均匀涂刷,在梁段完成吊装前用钢丝刷和清水清理干净;在养护时采用伸缩式轻钢棚架封闭,进行蒸汽养护。Further, the hydraulic system of the outer mold, the hydraulic system of the inner mold and the template of the end template are cleaned before use, and the mold release agent is evenly brushed. , Brush evenly on the section of the beam section, and clean it with a wire brush and clean water before the beam section is hoisted; during maintenance, a telescopic light steel scaffold is used to seal it for steam maintenance.

与现有技术相比较,本发明具有以下优点:该预制综合管廊的模板系统有利于改善工程建设质量,大幅减少现场施工工期,提高工作效率;有助于使管廊基坑暴露时间较短,管廊节段养护时间长,长桥后廊体徐变和应力损失小;并且适用范围广泛,具有节能、环保、减排、低碳;机械化程度要求高、标准化程度高。Compared with the prior art, the present invention has the following advantages: the formwork system of the prefabricated integrated pipe gallery is conducive to improving the quality of engineering construction, greatly reducing the construction period on site, and improving work efficiency; it is helpful to shorten the exposure time of the foundation pit of the pipe gallery. , The maintenance time of the pipe gallery segment is long, and the creep and stress loss of the gallery body behind the long bridge are small; and it has a wide range of applications, with energy saving, environmental protection, emission reduction, and low carbon; high degree of mechanization and standardization.

附图说明Description of drawings

图1为本发明的模板系统断面示意图;1 is a schematic cross-sectional view of a template system of the present invention;

图2为本发明的预制平台的端面示意图;Fig. 2 is the end face schematic diagram of the prefabricated platform of the present invention;

图3为本发明的预制平台的俯视示意图;3 is a schematic top view of the prefabricated platform of the present invention;

图4为本发明的预制平台的侧视示意图;4 is a schematic side view of the prefabricated platform of the present invention;

图5为本发明的外模液压系统的结构示意图;Fig. 5 is the structural schematic diagram of the hydraulic system of the outer mold of the present invention;

图6为本发明的外模液压系统中外模架外翻状态示意图;6 is a schematic diagram of the eversion state of the outer mold base in the outer mold hydraulic system of the present invention;

图7为本发明的内模液压系统的结构示意图;Fig. 7 is the structural schematic diagram of the inner mold hydraulic system of the present invention;

图8为本发明的内模液压系统侧视图示意图;8 is a schematic side view of the inner mold hydraulic system of the present invention;

图9为本发明的内模液压系统中内模板拆模状态示意图;9 is a schematic diagram of the demolding state of the inner template in the hydraulic system of the inner mold of the present invention;

图中:10-预制台座 11-行走轨道 12-底板 20-外模液压系统 21-滑座 22-外模架 23-外模板 24-伸缩气缸 25-爬梯 26-安全护栏 27-滚轮 28-操作平台 30-内模液压系统 31-纵向导轨 32-悬臂端 33-安装座 34-支撑块 35-顶模板 36-底模板 37-弧形侧模板 38-第一气缸 39-第二气缸。In the picture: 10-Prefabricated pedestal 11-Walking track 12-Bottom plate 20-External mold hydraulic system 21-Slide 22-External mold base 23-External template 24-Telescopic cylinder 25-Climbing ladder 26-Safety guardrail 27-Roller 28-Operation Platform 30 - Inner mold hydraulic system 31 - Longitudinal guide rail 32 - Cantilever end 33 - Mounting seat 34 - Support block 35 - Top template 36 - Bottom template 37 - Arc side template 38 - First cylinder 39 - Second cylinder.

具体实施方式Detailed ways

为让本发明的上述特征和优点能更明显易懂,下文特举实施例,并配合附图,作详细说明如下,但本发明并不限于此。In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following specific embodiments are given and the accompanying drawings are described in detail as follows, but the present invention is not limited thereto.

参考图1至图9Refer to Figure 1 to Figure 9

一种预制综合管廊的模板系统,包括预制台座10,所述预制台座的两侧分别沿纵向方向分别设置有行走轨道11,所述行走轨道上设置有与其行走配合并用于形成综合管廊外模的外模液压系统20,所述预制台座的上侧设置有由钢膜制成的底板12,所述底板上设置有可沿纵向移动并用于形成综合管廊内模的内模液压系统30,所述底板上还设置有综合管廊的端模板。A formwork system for a prefabricated integrated pipe gallery, comprising a prefabricated pedestal 10, two sides of the prefabricated pedestal are respectively provided with walking rails 11 along the longitudinal direction, and the walking rails are provided with walking rails that cooperate with them and are used to form the outside of the integrated pipe gallery. The outer mold hydraulic system 20 of the mold, the upper side of the prefabricated pedestal is provided with a bottom plate 12 made of steel film, the bottom plate is provided with an inner mold hydraulic system 30 that can move in the longitudinal direction and is used to form an integrated pipe gallery inner mold , the bottom plate is also provided with the end formwork of the integrated pipe gallery.

本实施例中,所述外模液压系统包括与行走轨道相配合的滑座21,所述滑座上设置有外模架22,所述外模架的内侧面及顶面设置有外模板23,外模架的下端内侧与滑座相铰接,所述滑座的外侧斜向铰接有伸缩气缸24,所述伸缩气缸的伸缩端与外模架的下端外侧相铰接,以便在拆模时,通过收缩伸缩气缸,使得外模架与管廊分离,减少拆模工序。In this embodiment, the hydraulic system of the outer mold includes a sliding seat 21 matched with the walking track, an outer mold frame 22 is arranged on the sliding seat, and an outer template 23 is arranged on the inner side and the top surface of the outer mold frame , the inner side of the lower end of the outer mold base is hinged with the sliding seat, the outer side of the sliding seat is obliquely hinged with a telescopic cylinder 24, and the telescopic end of the telescopic cylinder is hinged with the outer side of the lower end of the outer mold base, so that when the mold is removed, By shrinking the telescopic cylinder, the outer formwork is separated from the pipe gallery, reducing the demoulding process.

本实施例中,所述外模架上设置有爬梯25,以便工人爬上外模液压系统进行操作。外模架的顶部外侧设置有安全护栏26,从而保证施工安全。外模架的顶部设置有操作平台28及观测系统,以便观测水准、高程,从而对廊体的预制采取测量控制。In this embodiment, a ladder 25 is provided on the outer mold frame, so that workers can climb up the hydraulic system of the outer mold to operate. A safety guardrail 26 is provided on the outer side of the top of the outer formwork to ensure construction safety. The top of the outer formwork is provided with an operating platform 28 and an observation system, so as to observe the level and elevation, so as to measure and control the prefabrication of the gallery body.

本实施例中,所述滑座的底部设置有与行走轨道相配合的滚轮27,所述滚轮由驱动电机驱动旋转,从而移动外模液压系统来浇筑下一段管廊梁段。In this embodiment, the bottom of the sliding seat is provided with a roller 27 matched with the walking track, and the roller is driven to rotate by a driving motor, thereby moving the hydraulic system of the outer mold to cast the next pipe gallery beam section.

本实施例中,所述内模液压系统包括架设于底板上并与底板可拆连接的一对纵向导轨31,所述纵向导轨的一端设置有悬臂端32,所述悬臂端上设置有与纵向导轨滑动配合的安装座33,所述安装座上设置有用于形成综合管廊内腔的内模板,所述内模板可以伸缩调整,以便拆模。In this embodiment, the inner mold hydraulic system includes a pair of longitudinal guide rails 31 erected on the bottom plate and detachably connected to the bottom plate. One end of the longitudinal guide rail is provided with a cantilever end 32, and the cantilever end is provided with a longitudinal guide rail 31 . The mounting seat 33 with which the guide rail is slidably fitted is provided with an inner template for forming the inner cavity of the integrated pipe gallery, and the inner template can be telescopically adjusted to facilitate mold removal.

本实施例中,所述纵向导轨的下侧分别设置有一对用于使纵向导轨的一端形成悬臂端的支撑块34,从而使纵向导轨可以稳定的安装在底板上。所述安装座上设置有与纵向导轨滑动配合的滑块,以便安装时将内模板送入到纵向轨道的悬臂端,以及在拆模时将内模板从梁段内移出。In this embodiment, a pair of support blocks 34 for making one end of the longitudinal rail form a cantilever end are respectively provided on the lower side of the longitudinal rail, so that the longitudinal rail can be stably installed on the bottom plate. The mounting seat is provided with a sliding block slidably matched with the longitudinal guide rail, so that the inner formwork can be fed into the cantilever end of the longitudinal rail during installation, and the inner formwork can be moved out of the beam segment during demolding.

本实施例中,所述内模板包括顶模板35、底模板36和位于两侧的弧形侧模板37,所述安装座的上侧竖向设置有若干个驱动顶模板升降的第一气缸38,安装座的两侧分别间隔设置有若干与弧形侧模板相连接的第二气缸39,所述第二气缸的座壳与安装架固定连接,第二气缸的伸缩杆与弧形侧模板相铰接。安装座的下侧设置有若干个驱动底模板升降的第三气缸。In this embodiment, the inner formwork includes a top formwork 35, a bottom formwork 36 and arc-shaped side formwork 37 on both sides, and a plurality of first cylinders 38 that drive the top formwork to rise and fall are vertically arranged on the upper side of the mounting seat. The two sides of the mounting seat are respectively provided with a number of second cylinders 39 connected with the arc-shaped side template, the seat shell of the second cylinder is fixedly connected with the mounting frame, and the telescopic rod of the second cylinder is connected with the arc-shaped side template. Hinged. The lower side of the mounting seat is provided with a number of third air cylinders that drive the bottom formwork to rise and fall.

本实施例中,所述底板与预制台座之间设置有可调节高度的钢垫块,从而调整底板的高度或水平度,所述端模板与外模液压系统及内模液压系统可拆连接,端模板上设置有避让内模液压系统的缺口,以便内模液压系统的安装及拆模。In this embodiment, a height-adjustable steel pad is arranged between the bottom plate and the prefabricated pedestal, so as to adjust the height or levelness of the bottom plate, and the end template is detachably connected to the hydraulic system of the outer mold and the hydraulic system of the inner mold, The end template is provided with a gap to avoid the hydraulic system of the inner mold, so as to facilitate the installation and removal of the hydraulic system of the inner mold.

综合管廊采用长线法预制,预制厂设置2个长线综合管廊预制台座(根据施工方案5-8节不等,每节2.5米),预制台座的底膜线性与梁体(廊体)线性一致(拱度)符合设计要求。外侧模配备液压系统及走行轨道,脱模后纵移至下一个制梁台座(预制台座)。The comprehensive pipe gallery is prefabricated by the long-line method. The prefabrication factory is equipped with 2 long-line comprehensive pipe gallery prefabricated pedestals (ranging from 5 to 8 sections according to the construction plan, and each section is 2.5 meters). Consistency (camber) meets design requirements. The outer mold is equipped with a hydraulic system and a running track. After demoulding, it moves longitudinally to the next beam-making pedestal (prefabricated pedestal).

一种预制综合管廊的施工方法,包括的预制综合管廊的模板系统,施工步骤如下:A construction method for a prefabricated integrated pipe gallery, comprising a formwork system for a prefabricated integrated pipe gallery, and the construction steps are as follows:

(1)在预制台座两侧的行走轨道上分别安装外模液压系统;(1) Install the hydraulic system of the outer mold on the walking tracks on both sides of the prefabricated pedestal;

(2)在底板上绑扎钢筋笼;(2) Bind the steel cage on the bottom plate;

(3)在底座上安装内模液压系统,使外模液压系统的内模板伸入钢筋笼内并展开,之后在外模液压系统和内模液压系统的两侧安装端模板;(3) Install the inner mold hydraulic system on the base, so that the inner template of the outer mold hydraulic system extends into the steel cage and unfolds, and then install the end template on both sides of the outer mold hydraulic system and the inner mold hydraulic system;

(4)在外模液压系统、内模液压系统及端模板围成的型腔内浇筑混凝土;(4) Concrete is poured in the cavity enclosed by the hydraulic system of the outer mold, the hydraulic system of the inner mold and the end formwork;

(5)待强度达到设计要求后,再按端模板,外模板,内膜板的顺序依次拆除模板;(5) After the strength meets the design requirements, remove the formwork in the order of the end formwork, the outer formwork and the inner membrane plate;

(6)先完成的1#梁段的预制,再以其端头作为邻近梁段的端模,将在胎具上绑扎成型的钢筋整体吊入,顺序制出2#、3#、4#、5#、……梁段,完成5-8节的整孔施工;(6) The prefabrication of the 1# beam segment completed first, and then the end of the beam segment is used as the end mold of the adjacent beam segment. , 5#, ... beam sections, complete the whole hole construction of 5-8 sections;

(6)在梁段的顶板上覆盖土工布,梁段的侧面及内箱面采用喷淋养护,采用可以伸缩式的轻钢棚架封闭,进行蒸汽养护;(6) The roof of the beam section is covered with geotextile, the side and inner box surface of the beam section are protected by spraying, and the telescopic light steel scaffolding is used to seal it for steam curing;

(7)待到设计强度时,采用75T龙门吊将梁段运至存梁区进行存放。(7) When the design strength is reached, use a 75T gantry crane to transport the beam section to the beam storage area for storage.

本实施例中,外模液压系统、内模液压系统及端模板的模板在使用前均清洗干净,并将脱模剂涂刷均匀,采用预制好的梁段做匹配段,梁段间涂刷隔离剂,在梁段断面均匀涂刷,在梁段完成吊装前用钢丝刷和清水清理干净。In this embodiment, the hydraulic system of the outer mold, the hydraulic system of the inner mold and the template of the end template are cleaned before use, and the mold release agent is evenly brushed, and the prefabricated beam sections are used as matching sections, and the beam sections are painted The isolation agent should be evenly brushed on the beam section, and cleaned with a wire brush and clean water before the beam section is hoisted.

以上所述仅为本发明的较佳实施例,对于本领域的普通技术人员而言,根据本发明的教导,设计出不同形式的预制综合管廊的模板系统及其施工方法并不需要创造性的劳动,在不脱离本发明的原理和精神的情况下凡依本发明申请专利范围所做的均等变化、修改、替换和变型,皆应属本发明的涵盖范围。The above are only preferred embodiments of the present invention. For those of ordinary skill in the art, according to the teachings of the present invention, designing different forms of formwork systems and construction methods for prefabricated integrated pipe gallery does not require creativity. Labor, without departing from the principle and spirit of the present invention, all equivalent changes, modifications, substitutions and alterations made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (10)

1. The utility model provides a prefabricated utility tunnel's template system, includes prefabricated pedestal, its characterized in that, the both sides of prefabricated pedestal are provided with the walking track respectively along longitudinal direction, be provided with on the walking track rather than the walking cooperation and be used for forming the external mold hydraulic system of utility tunnel external mold, the upside of prefabricated pedestal is provided with the bottom plate, be provided with on the bottom plate and follow longitudinal movement and be used for forming the centre form hydraulic system of utility tunnel centre form, still be provided with the end template of utility tunnel on the bottom plate.
2. The template system of the prefabricated comprehensive pipe gallery according to claim 1, wherein the external mold hydraulic system comprises a sliding seat matched with a walking track, an external mold frame is arranged on the sliding seat, external templates are arranged on the inner side surface and the top surface of the external mold frame, the inner side of the lower end of the external mold frame is hinged with the sliding seat, a telescopic cylinder is obliquely hinged to the outer side of the sliding seat, and the telescopic end of the telescopic cylinder is hinged with the outer side of the lower end of the external mold frame.
3. The template system of the prefabricated comprehensive pipe gallery according to claim 2, wherein a ladder stand is arranged on the outer die frame, a safety guardrail is arranged on the outer side of the top of the outer die frame, and an operating platform and an observation system are arranged on the top of the outer die frame.
4. The template system of the prefabricated comprehensive pipe gallery according to claim 2 or 3, wherein the bottom of the sliding seat is provided with a roller matched with the walking track, and the roller is driven to rotate by a driving motor.
5. The template system of the prefabricated utility tunnel according to claim 2 or 3, wherein the internal mold hydraulic system comprises a pair of longitudinal guide rails erected on and detachably connected with the bottom plate, one end of the longitudinal guide rails is provided with a cantilever end, the cantilever end is provided with a mounting seat in sliding fit with the longitudinal guide rails, and the mounting seat is provided with an internal template for forming an inner cavity of the utility tunnel.
6. The prefabricated utility tunnel formwork system of claim 5, wherein the lower sides of the longitudinal rails are respectively provided with a pair of support blocks for forming one end of the longitudinal rails into a cantilever end, and the mounting seat is provided with a sliding block slidably engaged with the longitudinal rails.
7. The template system of the prefabricated comprehensive pipe gallery according to claim 5, wherein the inner template comprises a top template, a bottom template and arc-shaped side templates located on two sides, a plurality of first air cylinders for driving the top template to lift are vertically arranged on the upper side of the mounting seat, a plurality of second air cylinders connected with the arc-shaped side templates are respectively arranged on two sides of the mounting seat at intervals, and a plurality of third air cylinders for driving the bottom template to lift are arranged on the lower side of the mounting seat.
8. The template system of the prefabricated comprehensive pipe gallery according to claim 1, wherein a steel cushion block with adjustable height is arranged between the bottom plate and the prefabricated pedestal, the end template is detachably connected with the outer die hydraulic system and the inner die hydraulic system, and a notch for avoiding the inner die hydraulic system is arranged on the end template.
9. A method of constructing a prefabricated utility tunnel including the formwork system of the prefabricated utility tunnel of claim 7, characterized by the steps of:
(1) respectively installing outer mold hydraulic systems on the walking rails on two sides of the prefabricated pedestal;
(2) binding a reinforcement cage on the bottom plate;
(3) installing an internal mold hydraulic system on the base, enabling an internal template of the external mold hydraulic system to extend into the reinforcement cage and expand, and then installing end templates on two sides of the external mold hydraulic system and the internal mold hydraulic system;
(4) pouring concrete in a cavity defined by the outer die hydraulic system, the inner die hydraulic system and the end die plate;
(5) after the strength meets the design requirement, sequentially removing the templates according to the sequence of the end template, the outer template and the inner membrane plate;
(6) prefabricating a 1# beam section, taking the end of the beam section as an end mould of an adjacent beam section, integrally hoisting a reinforcing steel bar which is bound and formed on a mould, sequentially manufacturing 2#, 3#, 4#, 5#, … … beam sections, and finishing the whole hole construction of 5-8 sections;
(6) covering geotextile on the top plate of the beam section, and performing spray maintenance on the side surface and the inner box surface of the beam section;
(7) and when the designed strength is reached, the beam sections are transported to a beam storage area for storage by adopting a 75T gantry crane.
10. The construction method of the template system of the prefabricated comprehensive pipe gallery according to claim 9, characterized in that templates of an outer mold hydraulic system, an inner mold hydraulic system and an end template are cleaned before use, a release agent is uniformly coated, prefabricated beam sections are used as matching sections, a separating agent is coated among the beam sections, the sections of the beam sections are uniformly coated, and the beam sections are cleaned by a steel wire brush and clean water before hoisting is completed; and during maintenance, the flexible light steel shed frame is adopted for sealing, and steam maintenance is carried out.
CN201911050958.0A 2019-10-31 2019-10-31 Formwork system and construction method of prefabricated integrated pipe gallery Pending CN110682416A (en)

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