CN115717407A - Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof - Google Patents

Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof Download PDF

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CN115717407A
CN115717407A CN202211501354.5A CN202211501354A CN115717407A CN 115717407 A CN115717407 A CN 115717407A CN 202211501354 A CN202211501354 A CN 202211501354A CN 115717407 A CN115717407 A CN 115717407A
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formwork
retaining wall
template
row
anchor
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郭上冲
黄天其
章进飞
马国庆
李兴开
王胜龙
司洪福
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Zhejiang Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Zhejiang Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23Dune restoration or creation; Cliff stabilisation

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Abstract

本发明涉及一种超高陡峭边坡的挡墙单面支模结构及其施工方法,包括:对应挡墙的支模位置设置的模板;沿所述模板的高度方向间隔设置的若干排锚索,每排所述锚索沿所述模板的长度方向间隔分布,所述锚索的一端锚固于边坡岩石内,另一端伸出所述模板外且固定于所述模板上,通过预应力张拉所述锚索,以实现对所述模板的固定。本申请无需沿模板的高度通长的斜撑钢管进行支撑,降低了施工成本,施工更为方便。

Figure 202211501354

The invention relates to a single-sided formwork structure for a retaining wall on a super-high and steep slope and a construction method thereof, comprising: a formwork set corresponding to the formwork position of the retaining wall; several rows of anchor cables arranged at intervals along the height direction of the formwork , the anchor cables in each row are distributed at intervals along the length direction of the formwork, one end of the anchor cables is anchored in the rock of the slope, and the other end extends out of the formwork and is fixed on the formwork. The anchor cable is pulled to achieve fixation to the formwork. In the present application, there is no need for supporting steel pipes along the entire height of the formwork, which reduces the construction cost and makes the construction more convenient.

Figure 202211501354

Description

超高陡峭边坡的挡墙单面支模结构及其施工方法Retaining wall single-sided formwork structure and its construction method for super high and steep slope

技术领域technical field

本发明涉及建筑技术领域,特指一种超高陡峭边坡的挡墙单面支模结构及其施工方法。The invention relates to the technical field of buildings, in particular to a single-sided formwork structure for a retaining wall on a super-high and steep slope and a construction method thereof.

背景技术Background technique

在贴坡式挡墙施工中,需要采用单侧支模的方法进行模板加固,然后浇筑混凝土形成挡墙。现有技术中通常在模板的外侧斜向地设置支撑钢管,支撑钢管顶撑于模板和地面之间,从而起到对模板的支撑固定的作用,但是针对超高陡峭边坡的挡墙施工,由于挡墙的施工高度较高,若是采用超长的支撑钢管施工,不仅制成成本、运输施工成本较高,而且施工操作较为困难。In the construction of the slope-attached retaining wall, it is necessary to use the method of one-sided support formwork to reinforce the formwork, and then pour concrete to form the retaining wall. In the prior art, supporting steel pipes are usually arranged obliquely outside the formwork, and the supporting steel pipes are propped between the formwork and the ground to support and fix the formwork. However, for the construction of retaining walls on super high and steep slopes, Due to the high construction height of the retaining wall, if super-long supporting steel pipes are used for construction, not only the manufacturing cost and transportation construction cost are high, but also the construction operation is relatively difficult.

发明内容Contents of the invention

本发明的目的在于克服现有技术的缺陷,提供一种超高陡峭边坡的挡墙单面支模结构及其施工方法,以解决现有针对超高陡峭边坡的挡墙采用超长支撑钢管的支模方式会产生制成成本、运输施工成本较高、施工操作较为困难的问题。The purpose of the present invention is to overcome the defects of the prior art and provide a single-sided formwork structure and construction method for a retaining wall on a super-high and steep slope, so as to solve the problem of using super-long support for the existing retaining wall on a super-high and steep slope The formwork support method of the steel pipe will cause the problems of manufacturing cost, high transportation and construction cost, and difficult construction operation.

为实现上述目的,本发明提供了一种超高陡峭边坡的挡墙单面支模结构,包括:In order to achieve the above purpose, the present invention provides a single-sided formwork structure for a retaining wall on a super-high and steep slope, including:

对应挡墙的支模位置设置的模板;The template corresponding to the formwork position setting of the retaining wall;

沿所述模板的高度方向间隔设置的若干排锚索,每排所述锚索沿所述模板的长度方向间隔分布,所述锚索的一端锚固于边坡岩石内,另一端伸出所述模板外且固定于所述模板上,通过预应力张拉所述锚索,以实现对所述模板的固定。A plurality of rows of anchor cables are arranged at intervals along the height direction of the formwork, each row of anchor cables is distributed along the length direction of the formwork at intervals, one end of the anchor cables is anchored in the slope rock, and the other end extends out of the The template is outside and fixed on the template, and the anchor cable is stretched by prestressing to realize the fixing of the template.

本发明通过沿所述模板的高度方向间隔设置若干排锚索,所述锚索的一端锚固于边坡岩石内,另一端伸出所述模板外且固定于所述模板上,并通过预应力张拉所述锚索,以实现对所述模板的张拉固定。本申请无需沿模板的高度通长的斜撑钢管进行支撑,降低了施工成本,施工更为方便。In the present invention, several rows of anchor cables are arranged at intervals along the height direction of the formwork, one end of the anchor cables is anchored in the rock of the slope, the other end extends out of the formwork and is fixed on the formwork, and through prestressing Stretching the anchor cable to realize the tension fixation of the formwork. In the present application, there is no need for supporting steel pipes along the entire height of the formwork, which reduces the construction cost and makes the construction more convenient.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括一端安装固定于所述锚索上的至少一对加固杆以及套设于所述锚索上的套管;The further improvement of the single-sided formwork structure of the retaining wall of the ultra-high and steep slope of the present invention is that it also includes at least one pair of reinforcing rods with one end fixed on the anchor cable and a sleeve sleeve sleeved on the anchor cable;

所述套管的一端抵靠固定于所述边坡面上且另一端穿设固定于所述模板上;One end of the sleeve is fixed against the slope surface and the other end is passed through and fixed on the template;

所述加固杆的另一端伸出所述套管外并穿设固定于所述模板上,每对所述加固杆分别位于对应的所述锚索的上方和下方。The other end of the reinforcement rod extends out of the sleeve and is fixed on the formwork, and each pair of reinforcement rods is respectively located above and below the corresponding anchor cable.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,每排所述锚索上的加固杆呈两排分布且每排所述加固杆在所述模板上的位置沿所述模板的长度方向间隔分布;The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention lies in that the reinforcement rods on each row of anchor cables are distributed in two rows and the positions of each row of reinforcement rods on the formwork are along the The lengthwise interval distribution of the template;

所述挡墙单面支模结构还包括固定连接于每排所述加固杆上且抵靠于所述模板外侧的档杆,所述档杆的设置方向与所述模板的长度方向一致。The retaining wall single-sided formwork structure also includes a stop rod fixedly connected to each row of the reinforcement rods and abutting against the outside of the formwork, and the setting direction of the stop rod is consistent with the length direction of the formwork.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,所述套管上自所述套管靠近所述边坡的一端至所述加固杆在所述套管上的安装位置设有贯穿所述套管的穿槽,所述穿槽的设置方向与对应所述加固杆的设置方向一致,所述加固杆穿置于所述穿槽内;The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention lies in the installation of the reinforcement bar on the sleeve from the end of the sleeve close to the slope to the installation of the reinforcement rod on the sleeve. The position is provided with a through groove that runs through the sleeve, and the setting direction of the through groove is consistent with the setting direction of the corresponding reinforcing rod, and the reinforcing rod is placed in the through groove;

所述挡墙单面支模结构还包括固定于所述套管上且密封覆盖所述穿槽的密封件。The retaining wall single-sided formwork structure also includes a sealing member fixed on the sleeve and sealingly covering the through groove.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括套设固定于所述锚索上的套接件;The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention lies in that it also includes a socket piece that is sleeved and fixed on the anchor cable;

所述加固杆的一端安装固定于所述套接件上。One end of the reinforcing rod is installed and fixed on the sleeve.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括穿设固定于所述模板上且位于相邻两排所述锚索之间的至少一排螺杆、安装于每排所述螺杆的上侧和下侧且位于所述模板外侧的钢管、套设安装于所述螺杆上且位于所述钢管远离所述模板的一侧的卡扣件;The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention is that it also includes at least one row of screw rods that are fixed on the template and are located between two adjacent rows of anchor cables, installed on the The upper side and the lower side of each row of the screw rods and the steel pipes located outside the formwork, and the buckles installed on the screw rods and located on the side of the steel pipes away from the formwork;

所述卡扣件卡设于位于所述螺杆上侧和下侧的钢管上,以使所述钢管抵紧于所述模板上,所述螺杆夹紧固定于对应的一对所述钢管之间;The buckle is clamped on the steel pipes on the upper and lower sides of the screw, so that the steel pipe is pressed against the template, and the screw is clamped and fixed between the corresponding pair of steel pipes ;

通过将相邻两排所述锚索的混凝土浇筑区域划分为位于下方一排的锚索层、两排所述锚索间的螺杆层以及位于上方一排的锚索层的三层浇筑层,并通过所述螺杆部分埋固于已凝固的混凝土内,以使所述模板夹固于已凝固的混凝土和所述钢管之间。By dividing the concrete pouring area of two adjacent rows of anchor cables into three pouring layers of anchor cable layers in the lower row, screw layers between the two rows of anchor cables, and anchor cable layers in the upper row, The screw rod is partially embedded in the solidified concrete, so that the formwork is clamped between the solidified concrete and the steel pipe.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括斜向地支撑连接于所述模板的外侧面和地面之间且位于所述模板底部的若干排斜撑件,每排所述斜撑件沿所述模板的长度方向间隔分布。The further improvement of the single-sided formwork structure of the retaining wall of the ultra-high and steep slope of the present invention is that it also includes several rows of diagonal braces that are obliquely supported and connected between the outer side of the formwork and the ground and are located at the bottom of the formwork , each row of diagonal braces is distributed at intervals along the length direction of the template.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括对应所述斜撑件的设置位置安装固定于所述模板的外侧面上的第一安装座以及对应所述斜撑件的设置位置安装固定于地面之上的第二安装座;The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention is that it also includes a first mounting seat installed and fixed on the outer surface of the template corresponding to the setting position of the diagonal brace and corresponding to the The setting position of the diagonal brace is installed and fixed on the second mounting seat above the ground;

所述斜撑件的顶端通过第一铰接轴铰接连接于所述第一安装座上且底端通过第二铰接轴铰接连接于所述第二铰接座上。The top end of the diagonal brace is hingedly connected to the first mounting base through a first hinge shaft, and the bottom end is hingedly connected to the second hinge base through a second hinge shaft.

本发明超高陡峭边坡的挡墙单面支模结构的进一步改进在于,还包括挂设固设于所述边坡面上的钢筋网以及喷射形成于所述边坡面上且埋固所述钢筋网的细石混凝土层。The further improvement of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention is that it also includes hanging and fixing the steel mesh on the slope surface and spraying and forming on the slope surface and embedding. The fine stone concrete layer of the steel mesh.

本发明还提供了一种如上述的超高陡峭边坡的挡墙单面支模结构的施工方法,包括如下步骤:The present invention also provides a construction method for the single-sided formwork structure of the retaining wall of the super-high and steep slope as described above, comprising the following steps:

自下而上逐段的施工挡墙,施工第一施工段的至少两排所述锚索,将第一施工段的锚索一端锚固于边坡岩石内,绑扎第一施工段的挡墙钢筋,支设第一施工段的模板,将第一施工段的锚索另一端穿过第一施工段的挡墙钢筋且伸出所述模板外并固定于第一施工段的模板上,使每排所述锚索沿所述模板的长度方向间隔分布,通过预应力张拉所述锚索,以固定第一施工段的模板,浇筑第一施工段的挡墙混凝土;Construct the retaining wall section by section from bottom to top, construct at least two rows of the anchor cables in the first construction section, anchor one end of the anchor cables in the first construction section in the slope rock, and bind the retaining wall steel bars in the first construction section , support the formwork of the first construction section, pass the other end of the anchor cable of the first construction section through the retaining wall reinforcement of the first construction section and extend out of the formwork and fix it on the formwork of the first construction section, so that each The anchor cables are arranged at intervals along the length direction of the formwork, and the anchor cables are stretched by prestress to fix the formwork of the first construction section and pour the retaining wall concrete of the first construction section;

施工下一施工段的锚索、下一施工段的挡墙钢筋、下一施工段的模板以及下一施工段的挡墙混凝土,重复该步骤直至完成整个挡墙的施工。Construct the anchor cable of the next construction section, the reinforcement of the retaining wall of the next construction section, the formwork of the next construction section and the concrete of the retaining wall of the next construction section, and repeat this step until the construction of the entire retaining wall is completed.

附图说明Description of drawings

图1为本发明超高陡峭边坡的挡墙单面支模结构在施工第一施工段时的状态图。Fig. 1 is a state diagram of the single-sided formwork structure of the retaining wall of the super-high steep slope of the present invention during the construction of the first construction section.

图2为本发明超高陡峭边坡的挡墙单面支模结构的在施工位于上方一排的锚索时的状态图。Fig. 2 is a state diagram of the single-sided formwork support structure of the retaining wall of the ultra-high and steep slope of the present invention when the anchor cables located in the upper row are being constructed.

符号说明:细石混凝土层10,模板20,锚索30,套接件31,套管40,加固杆50,档杆60,螺杆70,卡扣件71,钢管80,斜撑件90。Explanation of symbols: fine stone concrete layer 10, template 20, anchor cable 30, socket 31, casing 40, reinforcement rod 50, gear rod 60, screw rod 70, buckle 71, steel pipe 80, and diagonal brace 90.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。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前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

本发明提供了一种超高陡峭边坡的挡墙单面支模结构及其施工方法,一方面利用锚索30支撑固定锚板,另一方面采用逐层浇筑混凝土的方式,使得预先埋设的螺杆70牢固地埋固于混凝土后,在螺杆70上安装钢管80和卡扣件71,进一步地加固模板20,在浇筑上方的混凝土时,能够有效增强模板20的受力性能,缓解超高碎石层区域模板20加固压力。The invention provides a single-sided formwork structure for a retaining wall with a super-high and steep slope and its construction method. On the one hand, anchor cables 30 are used to support and fix the anchor plate, and on the other hand, the concrete is poured layer by layer, so that the After the screw 70 is firmly embedded in the concrete, the steel pipe 80 and the buckle 71 are installed on the screw 70 to further strengthen the formwork 20. When the concrete above is poured, the mechanical performance of the formwork 20 can be effectively enhanced and the ultra-high cracking can be alleviated. The formwork 20 in the stone layer area reinforces the pressure.

下面结合附图对本发明超高陡峭边坡的挡墙单面支模结构及其施工方法进行说明。The retaining wall single-sided formwork structure and construction method of the super-high and steep slope of the present invention will be described below in conjunction with the accompanying drawings.

参见图1和图2,在本实施例中,一种超高陡峭边坡的挡墙单面支模结构包括:对应挡墙的支模位置设置的模板20;沿所述模板20的高度方向间隔设置的若干排锚索30,每排所述锚索30沿所述模板20的长度方向间隔分布,所述锚索30的一端锚固于边坡岩石内,另一端伸出所述模板20外且固定于所述模板20上,通过预应力张拉所述锚索30,以实现对所述模板20的固定。Referring to Fig. 1 and Fig. 2, in this embodiment, a retaining wall single-sided formwork structure of a super-high and steep slope includes: a formwork 20 set corresponding to the formwork position of the retaining wall; along the height direction of the formwork 20 A plurality of rows of anchor cables 30 arranged at intervals, each row of anchor cables 30 are distributed at intervals along the length direction of the formwork 20, one end of the anchor cables 30 is anchored in the slope rock, and the other end extends out of the formwork 20 And it is fixed on the template 20, and the anchor cable 30 is stretched by prestressing, so as to realize the fixing of the template 20.

在本实施例中挡墙单面支模结构利用锚索30一端锚固于边坡岩石内,另一端支撑吊住模板20,并通过预应力张拉所述锚索30,以增强所述锚索30的受力性能。施工锚索30的方式降低了施工成本,施工更为方便。In this embodiment, the single-sided formwork structure of the retaining wall uses one end of the anchor cable 30 to be anchored in the slope rock, and the other end supports and hangs the formwork 20, and the anchor cable 30 is stretched by prestressing to strengthen the anchor cable. 30 force performance. The method of constructing the anchor cable 30 reduces the construction cost, and the construction is more convenient.

参见图1和图2,在一种具体实施例中,挡墙单面支模结构还包括一端安装固定于所述锚索30上的至少一对加固杆50以及套设于所述锚索30上的套管40;所述套管40的一端抵靠固定于所述边坡面上且另一端穿设固定于所述模板20上;所述加固杆50的另一端伸出所述套管40外并穿设固定于所述模板20上,每对所述加固杆50分别位于对应的所述锚索30的上方和下方。Referring to Fig. 1 and Fig. 2, in a specific embodiment, the single-sided formwork structure of the retaining wall further includes at least one pair of reinforcing rods 50 installed and fixed on the anchor cable 30 at one end and sleeved on the anchor cable 30. The sleeve 40 on the top; one end of the sleeve 40 is fixed against the slope surface and the other end is passed through and fixed on the template 20; the other end of the reinforcement rod 50 extends out of the sleeve 40 and pass through and fixed on the template 20 , each pair of reinforcing rods 50 is located above and below the corresponding anchor cables 30 .

加固杆50的一端固定在锚索30上且另一端固定在模板20上,进而通过加固件进一步的支撑加固模板20。One end of the reinforcement rod 50 is fixed on the anchor cable 30 and the other end is fixed on the formwork 20 , so as to further support and reinforce the formwork 20 through the reinforcement member.

通过设置套管40将锚索30包住,避免浇筑混凝土时,锚索30并完全埋固于混凝土内,影响锚索30的受力性能。By setting the casing 40 to enclose the anchor cable 30 , it is avoided that the anchor cable 30 is completely embedded in the concrete when pouring concrete, which will affect the mechanical performance of the anchor cable 30 .

参见图1和图2,进一步的,每排所述锚索30上的加固杆50呈两排分布且每排所述加固杆50在所述模板20上的位置沿所述模板20的长度方向间隔分布;所述挡墙单面支模结构还包括固定连接于每排所述加固杆50上且抵靠于所述模板20外侧的档杆60,所述档杆60的设置方向与所述模板20的长度方向一致。Referring to FIGS. 1 and 2 , further, the reinforcement rods 50 on each row of anchor cables 30 are distributed in two rows and the position of each row of reinforcement rods 50 on the template 20 is along the length direction of the template 20 distributed at intervals; the single-sided formwork structure of the retaining wall also includes a stop bar 60 fixedly connected to each row of the reinforcing bars 50 and abutting against the outside of the formwork 20, and the setting direction of the stop bar 60 is the same as that of the The length direction of the template 20 is consistent.

参见图1和图2,更进一步的,所述套管40上自所述套管40靠近所述边坡的一端至所述加固杆50在所述套管40上的安装位置设有贯穿所述套管40的穿槽,所述穿槽的设置方向与对应所述加固杆50的设置方向一致,所述加固杆50穿置于所述穿槽内;所述挡墙单面支模结构还包括固定于所述套管40上且密封覆盖所述穿槽的密封件。Referring to Fig. 1 and Fig. 2, further, the sleeve 40 is provided with through-holes from the end of the sleeve 40 close to the slope to the installation position of the reinforcement rod 50 on the sleeve 40. The groove of the casing 40, the setting direction of the groove is consistent with the setting direction of the corresponding reinforcing rod 50, and the reinforcing rod 50 is placed in the groove; the single-sided formwork structure of the retaining wall It also includes a seal fixed on the sleeve 40 and sealingly covering the through groove.

由于加固杆50需要先安装在锚索30上,通过在套管40上开设穿槽,在将套管40套在锚索30上时,加固杆50能够顺利地插入对应的穿槽中,从而方便安装套管40,在安装好套管40后,利用密封件将穿槽密封,以避免混凝土渗入套管40内而影响锚索30。Since the reinforcing rod 50 needs to be installed on the anchor cable 30 first, by opening a groove on the sleeve 40, when the sleeve 40 is placed on the anchor cable 30, the reinforcing rod 50 can be smoothly inserted into the corresponding groove, thereby It is convenient to install the casing 40. After the casing 40 is installed, seal the groove with a sealing member, so as to prevent concrete from penetrating into the casing 40 and affecting the anchor cable 30.

较佳地,密封件为密封胶布,通过密封胶布缠绕在套管40上以密封覆盖穿槽。Preferably, the sealing member is a sealing tape, and the sealing tape is wound on the sleeve 40 to seal and cover the groove.

参见图1和图2,在一种具体实施例中,还包括套设固定于所述锚索30上的套接件31;所述加固杆50的一端安装固定于所述套接件31上。Referring to Fig. 1 and Fig. 2, in a specific embodiment, it also includes a socket 31 sleeved and fixed on the anchor cable 30; one end of the reinforcing rod 50 is mounted and fixed on the socket 31 .

进一步的,所述套接件31为U型夹头。Further, the sleeve 31 is a U-shaped clamp.

参见图1和图2,在一种具体实施例中,挡墙单面支模结构还包括穿设固定于所述模板20上且位于相邻两排所述锚索30之间的至少一排螺杆70、安装于每排所述螺杆70的上侧和下侧且位于所述模板20外侧的钢管80、套设安装于所述螺杆70上且位于所述钢管80远离所述模板20的一侧的卡扣件71;所述卡扣件71卡设于位于所述螺杆70上侧和下侧的钢管80上,以使所述钢管80抵紧于所述模板20上,所述螺杆70夹紧固定于对应的一对所述钢管80之间;通过将相邻两排所述锚索30的混凝土浇筑区域划分为位于下方一排的锚索层、两排所述锚索30间的螺杆层以及位于上方一排的锚索层的三层浇筑层,并通过所述螺杆70部分埋固于已凝固的混凝土内,以使所述模板20夹固于已凝固的混凝土和所述钢管80之间。所述螺杆70的一端埋固于混凝土内且另一端通过所述钢管80和所述卡扣件71固定,以实现对所述模板20的加固支撑,缓解超高碎石层区域模板20加固压力。Referring to Fig. 1 and Fig. 2, in a specific embodiment, the single-sided formwork structure of the retaining wall further includes at least one row fixed on the formwork 20 and located between two adjacent rows of anchor cables 30 The screw 70, the steel pipe 80 installed on the upper side and the lower side of each row of the screw 70 and located outside the formwork 20, is sleeved on the screw 70 and located on a side of the steel pipe 80 away from the formwork 20. The buckle 71 on the side; the buckle 71 is set on the steel pipe 80 on the upper side and the lower side of the screw 70, so that the steel pipe 80 is pressed against the template 20, and the screw 70 Clamping and fixing between a pair of corresponding steel pipes 80; by dividing the concrete pouring area of the two adjacent rows of anchor cables 30 into the anchor cable layer in the lower row and the anchor cable layer between the two rows of anchor cables 30 The three-layer pouring layer of the screw layer and the anchor cable layer in the upper row is partially embedded in the solidified concrete through the screw rod 70, so that the formwork 20 is clamped between the solidified concrete and the steel pipe Between 80. One end of the screw 70 is embedded in the concrete and the other end is fixed by the steel pipe 80 and the buckle 71, so as to realize the reinforced support for the formwork 20 and relieve the reinforcement pressure of the formwork 20 in the ultra-high gravel layer area. .

较佳地,所述卡扣件71为山型卡。Preferably, the buckle 71 is a mountain-shaped buckle.

参见图1,在一种具体实施例中,挡墙单面支模结构还包括斜向地支撑连接于所述模板20的外侧面和地面之间且位于所述模板20底部的若干排斜撑件90,每排所述斜撑件90沿所述模板20的长度方向间隔分布。Referring to FIG. 1 , in a specific embodiment, the single-sided formwork structure of the retaining wall also includes several rows of diagonal braces that are diagonally supported between the outer side of the formwork 20 and the ground and located at the bottom of the formwork 20 90 , and each row of diagonal braces 90 is distributed at intervals along the length direction of the formwork 20 .

较佳地,只在离地面较低高度使用斜撑件90,上部区域不设置,减小施工成本,增强对模板20底部的加固。Preferably, the diagonal braces 90 are only used at a lower height from the ground, and the upper area is not provided, so as to reduce the construction cost and strengthen the reinforcement of the bottom of the formwork 20 .

进一步的,挡墙单面支模结构还包括对应所述斜撑件90的设置位置安装固定于所述模板20的外侧面上的第一安装座以及对应所述斜撑件90的设置位置安装固定于地面之上的第二安装座;所述斜撑件90的顶端通过第一铰接轴铰接连接于所述第一安装座上且底端通过第二铰接轴铰接连接于所述第二铰接座上。Further, the single-sided formwork support structure of the retaining wall also includes a first installation seat installed and fixed on the outer surface of the formwork 20 corresponding to the installation position of the diagonal brace 90 and installed corresponding to the installation position of the diagonal brace 90. The second installation base fixed on the ground; the top end of the diagonal brace 90 is hingedly connected to the first installation base through a first hinge shaft and the bottom end is hinged to the second hinge joint through a second hinge shaft. seat.

参见图1,更进一步的,挡墙单面支模结构还包括挂设固设于所述边坡面上的钢筋网以及喷射形成于所述边坡面上且埋固所述钢筋网的细石混凝土层10,通过形成细石混凝土层10以加固边坡面。Referring to Fig. 1, further, the single-sided formwork structure of the retaining wall also includes a reinforcement mesh hung and fixed on the slope surface and a thin mesh formed by spraying on the slope surface and embedding the reinforcement mesh. The stone concrete layer 10 is formed to reinforce the slope surface by forming the fine stone concrete layer 10 .

较佳地,所述边坡面沿所述边坡面的高度方向间隔地打设有若干排土钉,所述钢筋网固定于土钉上。Preferably, a plurality of soil discharge nails are drilled at intervals along the height direction of the side slope surface on the side slope surface, and the steel mesh is fixed on the soil nails.

在一种具体实施例中,所述锚索30的另一端套设安装有锚具且所述锚具抵靠于所述模板20的外侧面上。In a specific embodiment, the other end of the anchor cable 30 is sheathed with an anchor and the anchor abuts against the outer surface of the template 20 .

较佳地,套管40为PVC管。Preferably, the casing 40 is a PVC pipe.

下面对本发明的超高陡峭边坡的挡墙单面支模结构的施工流程进行说明。The construction process of the retaining wall single-sided formwork structure of the super-high and steep slope of the present invention will be described below.

利用土钉将钢筋网挂设于边坡面上,于边坡面上喷射细石混凝土埋固钢筋网,以加固边坡面。Use soil nails to hang the reinforcement mesh on the slope surface, and spray fine stone concrete on the slope surface to embed the reinforcement mesh to strengthen the slope surface.

本实施例中采用分段支模的方式自下而上逐段地施工挡墙,每段施工段采用分层浇筑的方式自下而上逐层地浇筑混凝土,每段施工段的模板20至少有两排所述锚索30固定。In this embodiment, the retaining wall is constructed section by section from bottom to top by means of segmented formwork, and concrete is poured layer by layer in each construction section by layered pouring, and the formwork of each construction section is at least 20 There are two rows of said anchor cables 30 fixed.

在浇筑相邻两排所述锚索30区域时,施工位于下方一排的锚索30,浇筑位于下方一排的锚索层的混凝土,待位于下方一排的锚索层的混凝土达到预设强度后,在位于下方一排的锚索层上方的模板20处穿设固定至少一排螺杆70,浇筑螺杆层的混凝土并埋固螺杆70,待螺杆层的混凝土达到预设强度后,在所述模板20外侧处的每排螺杆70的上侧和下侧安装钢管80,在螺杆70上安装固定卡扣件71,将卡扣件71卡设于位于所述螺杆70上侧和下侧的钢管80上,以使所述钢管80抵紧于所述模板20上,施工位于上方一排的锚索30,浇筑位于上方一排的锚索层的混凝土。When pouring two adjacent rows of anchor cable 30 areas, construct the anchor cable 30 located in the lower row, and pour the concrete of the anchor cable layer located in the lower row until the concrete of the anchor cable layer located in the lower row reaches the preset value. After the strength, at least one row of screw rods 70 is fixed at the formwork 20 above the lower row of anchor cable layers, the concrete of the screw rod layer is poured and the screw rods 70 are embedded, and after the concrete of the screw rod layer reaches the preset strength, the Install steel pipes 80 on the upper and lower sides of each row of screw rods 70 at the outside of the template 20, install and fix buckle parts 71 on the screw rods 70, and fasten the buckle parts 71 on the upper and lower sides of the screw rods 70. On the steel pipe 80, so that the steel pipe 80 is pressed against the template 20, the anchor cables 30 in the upper row are constructed, and the concrete for the anchor cable layer in the upper row is poured.

本发明还提供了一种如上述的超高陡峭边坡的挡墙单面支模结构的施工方法,包括如下步骤:The present invention also provides a construction method for the single-sided formwork structure of the retaining wall of the super-high and steep slope as described above, comprising the following steps:

自下而上逐段的施工挡墙,施工第一施工段的至少两排所述锚索30,将第一施工段的锚索30一端锚固于边坡岩石内,绑扎第一施工段的挡墙钢筋,支设第一施工段的模板20,将第一施工段的锚索30另一端穿过第一施工段的挡墙钢筋且伸出所述模板20外并固定于第一施工段的模板20上,使每排所述锚索30沿所述模板20的长度方向间隔分布,通过预应力张拉所述锚索30,以固定第一施工段的模板20,浇筑第一施工段的挡墙混凝土;Construction of the retaining wall section by section from bottom to top, construction of at least two rows of anchor cables 30 in the first construction section, anchoring one end of the anchor cables 30 in the first construction section in the rock of the slope, binding the retaining walls of the first construction section The wall reinforcement is used to support the formwork 20 of the first construction section, and the other end of the anchor cable 30 of the first construction section passes through the retaining wall reinforcement of the first construction section and extends out of the formwork 20 and is fixed to the first construction section. On the formwork 20, the anchor cables 30 of each row are distributed at intervals along the length direction of the formwork 20, and the anchor cables 30 are stretched by prestress to fix the formwork 20 of the first construction section, and pour the first construction section. retaining wall concrete;

施工下一施工段的锚索30、下一施工段的挡墙钢筋、下一施工段的模板20以及下一施工段的挡墙混凝土,重复该步骤直至完成整个挡墙的施工。Construct the anchor cable 30 of the next construction section, the reinforcing bar of the retaining wall of the next construction section, the formwork 20 of the next construction section and the concrete of the retaining wall of the next construction section, and repeat this step until the construction of the entire retaining wall is completed.

在一种具体实施例中,在支设模板20时,将至少一对加固杆50的一端安装固定于所述锚索30上,将套管40套设于所述锚索30上,使所述加固杆50的另一端伸出所述套管40外并穿设固定于所述模板20上,并使每对所述加固杆50分别位于对应的所述锚索30的上方和下方,将所述套管40的一端抵靠固定于所述边坡面上且另一端穿设固定于所述模板20上。In a specific embodiment, when the formwork 20 is supported, one end of at least one pair of reinforcement rods 50 is installed and fixed on the anchor cable 30, and the sleeve 40 is sleeved on the anchor cable 30, so that the The other end of the reinforcement rod 50 extends out of the sleeve 40 and is fixed on the template 20, and each pair of reinforcement rods 50 is respectively located above and below the corresponding anchor cable 30. One end of the sleeve 40 is fixed against the side slope and the other end is passed through and fixed on the template 20 .

进一步的,每排所述锚索30上的加固杆50呈两排分布且每排所述加固杆50在所述模板20上的位置沿所述模板20的长度方向间隔分布;Further, the reinforcement rods 50 on each row of anchor cables 30 are distributed in two rows, and the positions of each row of reinforcement rods 50 on the template 20 are distributed along the length direction of the template 20 at intervals;

在安装好加固杆50后,将档杆60固定连接于每排所述加固杆50上且抵靠于所述模板20外侧,使所述档杆60的设置方向与所述模板20的长度方向一致。After the reinforcement rod 50 is installed, the gear rod 60 is fixedly connected to each row of the reinforcement rod 50 and leans against the outside of the template 20, so that the setting direction of the gear rod 60 is aligned with the length direction of the template 20 unanimous.

更进一步的,所述套管40上自所述套管40靠近所述边坡的一端至所述加固杆50在所述套管40上的安装位置设有贯穿所述套管40的穿槽,所述穿槽的设置方向与对应所述加固杆50的设置方向一致;Further, the sleeve 40 is provided with a through groove through the sleeve 40 from the end of the sleeve 40 close to the side slope to the installation position of the reinforcement rod 50 on the sleeve 40 , the setting direction of the through groove is consistent with the setting direction corresponding to the reinforcing rod 50;

在将套管40套设于锚索30上时,使加固杆50穿置于对应的穿槽内,并利用密封件固定于所述套管40上且密封覆盖所述穿槽。When the casing 40 is sheathed on the anchor cable 30 , the reinforcing rod 50 is inserted into the corresponding through groove, and is fixed on the casing 40 by a sealing member so as to seal and cover the through groove.

在一种具体实施例中,在安装加固杆50时,将套接件31套设固定于所述锚索30上,将所述加固杆50的一端安装固定于所述套接件31上。In a specific embodiment, when installing the reinforcing rod 50 , the sleeve 31 is sleeved and fixed on the anchor cable 30 , and one end of the reinforcing rod 50 is installed and fixed on the sleeve 31 .

在一种具体实施例中,采用分段支模的方式自下而上逐段地施工挡墙,每段施工段采用分层浇筑的方式自下而上逐层地浇筑混凝土,每段施工段的模板20至少有两排所述锚索30固定;In a specific embodiment, the retaining wall is constructed section by section from bottom to top by means of segmented formwork, and concrete is poured layer by layer from bottom to top in each construction section by layered pouring, and each construction section The template 20 has at least two rows of the anchor cables 30 fixed;

在浇筑相邻两排所述锚索30区域时,施工位于下方一排的锚索30,浇筑位于下方一排的锚索层的混凝土,待位于下方一排的锚索层的混凝土达到预设强度后,在位于下方一排的锚索层上方的模板20处穿设固定至少一排螺杆70,浇筑螺杆层的混凝土并埋固螺杆70,待螺杆层的混凝土达到预设强度后,在所述模板20外侧处的每排螺杆70的上侧和下侧安装钢管80,在螺杆70上安装固定卡扣件71,将卡扣件71卡设于位于所述螺杆70上侧和下侧的钢管80上,以使所述钢管80抵紧于所述模板20上,施工位于上方一排的锚索30,浇筑位于上方一排的锚索层的混凝土。When pouring two adjacent rows of anchor cable 30 areas, construct the anchor cable 30 located in the lower row, and pour the concrete of the anchor cable layer located in the lower row until the concrete of the anchor cable layer located in the lower row reaches the preset value. After the strength, at least one row of screw rods 70 is fixed at the formwork 20 above the lower row of anchor cable layers, the concrete of the screw rod layer is poured and the screw rods 70 are embedded, and after the concrete of the screw rod layer reaches the preset strength, the Install steel pipes 80 on the upper and lower sides of each row of screw rods 70 at the outside of the template 20, install and fix buckle parts 71 on the screw rods 70, and fasten the buckle parts 71 on the upper and lower sides of the screw rods 70. On the steel pipe 80, so that the steel pipe 80 is pressed against the template 20, the anchor cables 30 in the upper row are constructed, and the concrete for the anchor cable layer in the upper row is poured.

在一种具体实施例中,在施工模板20时,将若干排斜撑件90对应所述模板20底部斜向地支撑连接于所述模板20的外侧面和地面之间,使每排所述斜撑件90沿所述模板20的长度方向间隔分布。In a specific embodiment, when constructing the formwork 20, several rows of diagonal braces 90 are obliquely supported and connected between the outer side of the formwork 20 and the ground corresponding to the bottom of the formwork 20, so that each row of The diagonal braces 90 are distributed at intervals along the length direction of the template 20 .

进一步的,将第一安装座对应所述斜撑件90的设置位置安装固定于所述模板20的外侧面上,将第二安装座对应所述斜撑件90的设置位置安装固定于地面之上;Further, the installation position of the first mounting seat corresponding to the diagonal brace 90 is installed and fixed on the outer surface of the template 20, and the second mounting seat is installed and fixed on the ground corresponding to the installation position of the diagonal brace 90. superior;

将所述斜撑件90的顶端通过第一铰接轴铰接连接于所述第一安装座上且底端通过第二铰接轴铰接连接于所述第二铰接座上。The top end of the diagonal brace 90 is hingedly connected to the first mounting base through a first hinge shaft, and the bottom end is hingedly connected to the second hinge base through a second hinge shaft.

更进一步的,在施工锚索30之前,将钢筋网挂设固设于整个所述边坡面上,于所述边坡面上喷射细石混凝土形成细石混凝土层10并埋固所述钢筋网。Furthermore, before the construction of the anchor cable 30, the steel mesh is hung and fixed on the entire slope surface, and the fine stone concrete is sprayed on the slope surface to form a fine stone concrete layer 10 and the steel bars are embedded. net.

需要说明的是,本说明书所附图式所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not intended to limit the present invention Therefore, it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall into the within the scope covered by the technical content disclosed in the present invention. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.

Claims (10)

1. The utility model provides a retaining wall single face formwork structure of steep side slope of superelevation which characterized in that includes:
the template is arranged corresponding to the formwork supporting position of the retaining wall;
the anchor cable fixing device comprises a plurality of rows of anchor cables arranged at intervals in the height direction of a template, wherein each row of anchor cables are distributed at intervals in the length direction of the template, one ends of the anchor cables are anchored in side slope rocks, the other ends of the anchor cables extend out of the template and are fixed on the template, and the anchor cables are tensioned through prestress so as to fix the template.
2. The retaining wall single-sided formwork structure of ultra-high steep side slope according to claim 1, further comprising at least one pair of reinforcing rods with one ends fixed on the anchor cables and sleeves sleeved on the anchor cables;
one end of the sleeve is abutted against and fixed on the side slope surface, and the other end of the sleeve is fixedly arranged on the template in a penetrating way;
the other ends of the reinforcing rods extend out of the sleeve and penetrate and are fixed on the template, and each pair of reinforcing rods is located above and below the corresponding anchor cable respectively.
3. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 2, wherein the reinforcing rods on each row of the anchor cables are distributed in two rows, and the positions of the reinforcing rods on the formwork in each row are distributed at intervals along the length direction of the formwork;
the retaining wall single-face formwork structure further comprises a blocking rod fixedly connected to each row of the reinforcing rods and abutted against the outer side of the formwork, and the setting direction of the blocking rods is consistent with the length direction of the formwork.
4. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 2, wherein a through groove penetrating through the sleeve is formed in the sleeve from one end of the sleeve close to the side slope to the installation position of the reinforcing rod on the sleeve, the arrangement direction of the through groove is consistent with the arrangement direction corresponding to the reinforcing rod, and the reinforcing rod is arranged in the through groove in a penetrating manner;
the retaining wall single-face formwork structure further comprises a sealing element which is fixed on the sleeve and hermetically covers the through groove.
5. The retaining wall single-face formwork structure of the ultra-high steep side slope as claimed in claim 2, further comprising a sleeve member sleeved and fixed on the anchor cable;
one end of the reinforcing rod is fixedly arranged on the sleeve-joint piece.
6. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 1, further comprising at least one row of screw rods which are fixedly arranged on the formwork in a penetrating manner and are located between two adjacent rows of the anchor cables, steel pipes which are arranged on the upper side and the lower side of each row of the screw rods and are located on the outer side of the formwork, and a buckling piece which is sleeved on the screw rods and is located on one side, far away from the formwork, of the steel pipe;
the clamping pieces are clamped on the steel pipes positioned on the upper side and the lower side of the screw rod so that the steel pipes are tightly propped against the template, and the screw rod is clamped and fixed between the corresponding pair of steel pipes;
concrete pouring areas of two adjacent rows of anchor cables are divided into three pouring layers, namely an anchor cable layer positioned in one row below, a screw rod layer positioned between the two rows of anchor cables and an anchor cable layer positioned in one row above, and the three pouring layers are partially embedded and fixed in solidified concrete through the screw rods, so that the template is clamped between the solidified concrete and the steel pipe.
7. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 1, further comprising a plurality of rows of diagonal braces obliquely supported and connected between the outer side surface of the formwork and the ground and positioned at the bottom of the formwork, wherein each row of diagonal braces are distributed at intervals along the length direction of the formwork.
8. The retaining wall single-face formwork structure of the ultra-high steep slope as claimed in claim 7, further comprising a first mounting seat fixed on the outer side face of the formwork corresponding to the arrangement position of the diagonal support member and a second mounting seat fixed on the ground corresponding to the arrangement position of the diagonal support member;
the top end of the diagonal bracing piece is hinged to the first mounting seat through a first hinge shaft, and the bottom end of the diagonal bracing piece is hinged to the second hinge seat through a second hinge shaft.
9. The retaining wall single-face formwork structure of the ultra-high steep side slope as claimed in claim 1, further comprising a reinforcing mesh fixedly hung on the side slope surface and a fine stone concrete layer formed on the side slope surface by spraying and fixedly buried in the reinforcing mesh.
10. A construction method of the retaining wall single-face formwork structure with the ultra-high steep side slope as claimed in claim 1, characterized in that the construction method comprises the following steps:
constructing a retaining wall section by section from bottom to top, constructing at least two rows of anchor cables of a first construction section, anchoring one end of the anchor cable of the first construction section in a slope rock, binding retaining wall reinforcing steel bars of the first construction section, erecting a template of the first construction section, penetrating the other end of the anchor cable of the first construction section through the retaining wall reinforcing steel bars of the first construction section, extending out of the template and fixing on the template of the first construction section, enabling each row of anchor cables to be distributed at intervals along the length direction of the template, stretching the anchor cable through prestress, and pouring retaining wall concrete of the first construction section by fixing the template of the first construction section;
and constructing an anchor cable of the next construction section, a retaining wall steel bar of the next construction section, a template of the next construction section and retaining wall concrete of the next construction section, and repeating the steps until the construction of the whole retaining wall is completed.
CN202211501354.5A 2022-11-28 2022-11-28 Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof Pending CN115717407A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001123455A (en) * 1999-10-25 2001-05-08 Dai Nippon Construction Earth retaining wall structure and earth retaining method
CN203741848U (en) * 2013-12-25 2014-07-30 深圳市工勘岩土工程有限公司 Steel tube plate type retaining structure
CN111535177A (en) * 2020-05-27 2020-08-14 中国科学院武汉岩土力学研究所 Rock anchor anchorage composed of prestressed group anchor and surrounding rock and construction method thereof
CN217419689U (en) * 2022-04-23 2022-09-13 洛阳百坚岩土工程有限公司 Soil body high slope outer buttress formula barricade anchor rope reinforced structure
CN217896560U (en) * 2022-06-08 2022-11-25 自贡市城市规划设计研究院有限责任公司 Anchor pile structure for treating landslide and reinforcing retaining wall

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001123455A (en) * 1999-10-25 2001-05-08 Dai Nippon Construction Earth retaining wall structure and earth retaining method
CN203741848U (en) * 2013-12-25 2014-07-30 深圳市工勘岩土工程有限公司 Steel tube plate type retaining structure
CN111535177A (en) * 2020-05-27 2020-08-14 中国科学院武汉岩土力学研究所 Rock anchor anchorage composed of prestressed group anchor and surrounding rock and construction method thereof
CN217419689U (en) * 2022-04-23 2022-09-13 洛阳百坚岩土工程有限公司 Soil body high slope outer buttress formula barricade anchor rope reinforced structure
CN217896560U (en) * 2022-06-08 2022-11-25 自贡市城市规划设计研究院有限责任公司 Anchor pile structure for treating landslide and reinforcing retaining wall

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