CN104532952A - Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof - Google Patents
Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof Download PDFInfo
- Publication number
- CN104532952A CN104532952A CN201410796762.7A CN201410796762A CN104532952A CN 104532952 A CN104532952 A CN 104532952A CN 201410796762 A CN201410796762 A CN 201410796762A CN 104532952 A CN104532952 A CN 104532952A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- concrete prefabricated
- column
- reinforced
- prefabricated
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
Description
技术领域:Technical field:
本发明涉及一种短角钢连接的钢筋混凝土装配整体式框架及其施工方法,属于建筑工程混凝土框架结构技术及施工领域。The invention relates to a reinforced concrete assembled integral frame connected by short angle steels and a construction method thereof, which belongs to the field of construction engineering concrete frame structure technology and construction.
技术背景:technical background:
钢筋混凝土预制装配整体式框架结构是未来建筑工业化发展的重要方向,具有经济周期短,预制构件质量高,现场湿作业少,环境污染小,加快施工进度,降低工人劳动强度,而且有利于节能降耗保护环境等优点。这种结构体系已在发达国家得到了广泛应用,并已成为一些国家新建建筑的主要形式。连接技术是钢筋混凝土预制装配整体式混框架结构的核心问题,也是装配式框架结构的薄弱环节,只有各预制构件间有可靠的连接,具有较好的整体性能和良好延性,才能保证结构既安全可靠,有具有良好的抗震性能。Reinforced concrete prefabricated integrated frame structure is an important direction for the future development of building industrialization. It has the advantages of short economic cycle, high quality prefabricated components, less on-site wet work, less environmental pollution, faster construction progress, lower labor intensity of workers, and is conducive to energy saving and reduction. Consumption and environmental protection and other advantages. This structural system has been widely used in developed countries and has become the main form of new buildings in some countries. The connection technology is the core issue of the reinforced concrete prefabricated integrated frame structure, and it is also the weak link of the prefabricated frame structure. Only when the prefabricated components have reliable connections, have good overall performance and good ductility, can the structure be safe Reliable, with good shock resistance.
我国现有的钢筋混凝土装配整体式框架节点连接可靠性差,难以满足结构抗裂和整体性、抗震性能方面的要求,这就需要开发新的便于整体性连接的节点,以加快我国建筑工业化生产的过程。新型的钢筋混凝土装配整体式框架连接技术需要可靠的连接质量来实现按设计要求传递规定的内力,并保证整体结构安全性、整体性、抗震性的要求;然后尽量简化连接构造和施工工艺,降低施工中不确定性对结构性能的影响,以提高节点连接的施工效率。The connection reliability of the existing reinforced concrete assembly integral frame joints in our country is poor, and it is difficult to meet the requirements of structural crack resistance, integrity, and seismic performance. process. The new reinforced concrete assembly integral frame connection technology requires reliable connection quality to realize the transfer of specified internal force according to the design requirements, and to ensure the safety, integrity, and earthquake resistance of the overall structure; then try to simplify the connection structure and construction technology to reduce Effect of Uncertainty in Construction on Structural Performance to Improve Construction Efficiency of Nodal Connections.
发明内容:Invention content:
技术问题:本发明提供一种短角钢连接的钢筋混凝土装配整体式框架及其施工方法,使钢筋混凝土预制柱与预制柱之间、钢筋混凝土预制柱与预制梁之间连接简单可靠,施工操作方便,加快了施工进度,极大提高了生产效率,同时梁柱连接区具有良好的延性和整体性能,改装配整体式框架具有良好的整体性能和抗震性能。Technical problem: The present invention provides a reinforced concrete assembled monolithic frame connected by short angle steel and its construction method, which makes the connection between reinforced concrete prefabricated columns and prefabricated columns, and between reinforced concrete prefabricated columns and prefabricated beams simple and reliable, and the construction operation is convenient , to speed up the construction progress and greatly improve the production efficiency. At the same time, the beam-column connection area has good ductility and overall performance, and the modified integral frame has good overall performance and seismic performance.
技术内容:为解决上述技术问题,本发明提供了一种短角钢连接的钢筋混凝土装配整体式框架,该框架包括钢筋混凝土预制梁,附带短梁段的钢筋混凝土预制柱,Technical content: In order to solve the above technical problems, the present invention provides a reinforced concrete assembled monolithic frame connected by short angle steel, the frame includes reinforced concrete prefabricated beams, reinforced concrete prefabricated columns with short beam sections,
钢筋混凝土预制梁的两个端部分别连接设有两个分肢的第一短角钢,第一短角钢两分肢带有第一预留螺栓孔;The two ends of the reinforced concrete prefabricated beam are respectively connected to the first short angle steel with two legs, and the two legs of the first short angle steel have the first reserved bolt holes;
钢筋混凝土预制柱上下两个端部分别带有连接用且带有两个分肢的第二短角钢,第二短角钢两分肢带有第二预留螺栓孔;The upper and lower ends of the reinforced concrete prefabricated column are respectively equipped with second short angle steels for connection and with two limbs, and the two limbs of the second short angle steel have second reserved bolt holes;
钢筋混凝土预制柱的附带短梁段带有连接用且带有两个分肢的第三短角钢,第三短角钢两分肢分别带有第三螺栓孔、摩擦型螺栓、纤维增强水泥基复合材料;The attached short beam section of the reinforced concrete prefabricated column has a third short angle steel with two limbs for connection, and the two limbs of the third short angle steel are respectively equipped with a third bolt hole, a friction bolt, and a fiber-reinforced cement-based composite Material;
上下楼层的钢筋混凝土预制柱通过第二短角钢用摩擦型螺栓穿过第二预留螺栓孔相连;The reinforced concrete prefabricated columns on the upper and lower floors are connected through the second short angle steel with friction bolts through the second reserved bolt holes;
钢筋混凝土预制梁和钢筋混凝土预制柱之间的连接通过钢筋混凝土预制梁端部的第一短角钢和钢筋混凝土预制柱附带短梁段端部的第三短角钢用用摩擦型螺栓穿过第一预留螺栓孔和第三预留螺栓孔相连,然后在钢筋混凝土预制梁和钢筋混凝土预制柱连接区浇筑有纤维增强水泥基复合材料,使结构成为装配整体式框架。The connection between the reinforced concrete precast beam and the reinforced concrete precast column is through the first short angle steel at the end of the reinforced concrete precast beam and the third short angle steel at the end of the reinforced concrete precast column with the short beam section passing through the first reserve with friction bolts The bolt holes are connected with the third reserved bolt holes, and then fiber-reinforced cement-based composite materials are poured in the connection area between the reinforced concrete prefabricated beam and the reinforced concrete prefabricated column, so that the structure becomes an assembled integral frame.
本发明还提供了一种短角钢连接的钢筋混凝土装配整体式框架的施工方法,该方法包括如下步骤:The present invention also provides a construction method of a reinforced concrete assembled monolithic frame connected by short angle steels, the method comprising the following steps:
步骤1:进行钢筋混凝土装配整体式框架结构的整体分析,确定钢筋混凝土预制柱、预制梁的截面尺寸、钢筋强度等级和钢筋用量等;确定钢筋混凝土预制柱、钢筋混凝土预制梁的分段情况:钢筋混凝土预制柱的分段点设置在楼层中部,选取上下楼层的弯矩反弯点处作为分段依据,并附带预制短梁段,钢筋混凝土预制梁的分段点设置在梁的端部,距离为预制柱边1~2h,h为钢筋混凝土预制梁高度,依据预制梁两端的弯矩反弯点作为分段依据;钢筋混凝土预制梁和钢筋混凝土预制柱分段完成后,根据钢筋混凝土预制梁和钢筋混凝土预制柱分段处的梁柱抗剪设计要求确定短角钢的具体尺寸;Step 1: Carry out the overall analysis of the reinforced concrete assembly monolithic frame structure, determine the cross-sectional dimensions of reinforced concrete precast columns and precast beams, the strength grade of steel bars and the amount of steel bars, etc.; determine the segmentation of reinforced concrete precast columns and reinforced concrete precast beams: The segmentation point of the reinforced concrete prefabricated column is set in the middle of the floor, and the moment inversion point of the upper and lower floors is selected as the segmentation basis, and the prefabricated short beam section is attached. The segmentation point of the reinforced concrete prefabricated beam is set at the end of the beam. The distance is 1~2h from the prefabricated column edge, h is the height of the reinforced concrete prefabricated beam. The beam-column shear design at the beam and reinforced concrete prefabricated column section requires the determination of the specific size of the short angle steel;
步骤2:制作钢筋混凝土预制柱和钢筋混凝土预制梁;按上面的设计要求制作钢筋混凝土预制柱和钢筋混凝土预制梁,其中钢筋混凝土预制柱带有短梁段,钢筋混凝土预制柱两端以及预制柱附带短梁段端部带有短角钢,连接短角钢预留螺栓孔方便高强度螺栓连接;Step 2: Make reinforced concrete precast columns and reinforced concrete precast beams; make reinforced concrete precast columns and reinforced concrete precast beams according to the above design requirements, where reinforced concrete precast columns have short beam sections, reinforced concrete precast columns at both ends and precast columns There is a short angle steel at the end of the attached short beam section, and bolt holes are reserved for connecting the short angle steel to facilitate high-strength bolt connection;
步骤3:钢筋混凝土预制柱的竖向连接;将预制好的柱段运输到工地现场,先安装下部的钢筋混凝土预制柱,然后将上部钢筋混凝土预制柱吊装就位,用高强度摩擦型螺栓连接上下柱端部的短角钢,然后在钢筋混凝土柱之间的连接区浇筑纤维增强水泥基复合材料,使柱成为一个整体;Step 3: Vertical connection of reinforced concrete precast columns; transport the prefabricated column sections to the construction site, first install the lower reinforced concrete precast columns, then hoist the upper reinforced concrete precast columns in place, and connect them with high-strength friction bolts The short angle steel at the end of the upper and lower columns, and then pouring fiber reinforced cement-based composite material in the connection area between the reinforced concrete columns, so that the columns become a whole;
步骤4:钢筋混凝土预制梁和钢筋混凝土预制柱的连接;待钢筋混凝土预制柱安装完成后,将钢筋混凝土预制梁水平吊装就位,与钢筋混凝土预制柱附带短梁段位于同一水平标高处,用高强度摩擦型螺栓连接钢筋混凝土预制梁端部的短角钢和预制柱附带短梁段的短角钢,然后在钢筋混凝土预制梁之间的连接区浇筑纤维增强水泥基复合材料,使梁柱成为一个整体,完成钢筋混凝土装配整体式框架的制作。Step 4: Connection of reinforced concrete precast beams and reinforced concrete precast columns; after the installation of reinforced concrete precast columns is completed, the reinforced concrete precast beams are hoisted in place horizontally, and are located at the same level as the short beam section attached to the reinforced concrete precast columns. High-strength friction bolts connect the short angle steel at the end of the reinforced concrete precast beam and the short angle steel with the short beam section attached to the precast column, and then pour fiber-reinforced cement-based composite materials in the connection area between the reinforced concrete precast beams to make the beam column a As a whole, complete the production of reinforced concrete assembly monolithic frame.
有益效果:与现有技术相比,本发明具有如下优点:Beneficial effect: compared with the prior art, the present invention has the following advantages:
⑴钢筋混凝土预制柱带有短梁段,梁柱节点整体预制,节点具有良好的整体性能和抗震性能;(1) Reinforced concrete prefabricated columns have short beam sections, and the beam-column joints are prefabricated as a whole, and the joints have good overall performance and seismic performance;
⑵钢筋混凝土预制柱通过两端部连接短角钢用高强度摩擦型螺栓相连,连接方式简单,柱整体性能高,施工操作便捷;(2) Reinforced concrete prefabricated columns are connected by short angle steels at both ends and connected with high-strength friction bolts. The connection method is simple, the overall performance of the columns is high, and the construction operation is convenient;
⑶钢筋混凝土预制梁端部埋置短连接角钢,在预制梁吊装到位后可以通过高强度摩擦型螺栓与预制柱短梁段端部的短连接角钢相连,不用再用脚手架临时支撑预制梁,节约相关费用,另一方面可以增强节点端部刚度,使塑性铰区域离开节点区,提高了节点连接性能;(3) The short connecting angle steel is embedded at the end of the reinforced concrete prefabricated beam. After the prefabricated beam is hoisted in place, it can be connected with the short connecting angle steel at the end of the short beam section of the precast column through high-strength friction bolts. There is no need to use scaffolding to temporarily support the prefabricated beam, saving related costs , on the other hand, it can enhance the stiffness of the node end, make the plastic hinge area away from the node area, and improve the connection performance of the node;
⑷梁柱连接区采用纤维增强水泥基复合材料浇筑,既改善了连接区裂缝开展形态,避免了新老混凝土结合面的开裂,又能极大的提高连接区的抗震耗能能力,使该发明钢筋混凝土装配整体式成为抗震性能较好的延性框架。(4) The beam-column connection area is poured with fiber-reinforced cement-based composite materials, which not only improves the crack development pattern in the connection area, avoids the cracking of the new and old concrete joint surfaces, but also greatly improves the seismic energy consumption capacity of the connection area, making the invention The reinforced concrete assembly monolith becomes a ductile frame with better seismic performance.
附图说明:Description of drawings:
图1为短角钢连接的钢筋混凝土装配整体式框架;Figure 1 is a reinforced concrete assembled monolithic frame connected by short angle steel;
图2为连接用短角钢;Fig. 2 is the short angle steel for connection;
图3为带短角钢的钢筋混凝土预制梁;Fig. 3 is the reinforced concrete prefabricated beam with short angle steel;
图4为带短梁段的钢筋混凝土预制柱。Figure 4 shows a reinforced concrete precast column with short beam sections.
1-钢筋混凝土预制梁1- Reinforced concrete prefabricated beams
2-附带短梁段2 - With short beam section
3-钢筋混凝土预制柱3- Reinforced concrete prefabricated column
4-钢筋混凝土预制梁两端部连接用第一短角钢4- The first short angle steel used for the connection of both ends of the reinforced concrete prefabricated beam
5-钢筋混凝土预制梁两端部连接用短角钢两分肢第一预留螺栓孔5-The first reserved bolt hole for the two ends of the reinforced concrete prefabricated beam connected with the short angle steel two limbs
6-钢筋混凝土预制柱上下两端部连接用第二短角钢6- The second short angle steel used for connecting the upper and lower ends of the reinforced concrete prefabricated column
7-钢筋混凝土预制柱上下两端部连接用短角钢两分肢第二预留螺栓孔7-The second reserved bolt hole for the connection of the upper and lower ends of the reinforced concrete prefabricated column with short angle steel two limbs
8-钢筋混凝土预制柱附带短梁段连接用第三短角钢8-Reinforced concrete prefabricated column with third short angle steel for short beam connection
9-钢筋混凝土预制柱附带短梁段连接用短角钢两分肢第三预留螺栓孔9-Reinforced concrete prefabricated column with short beam section connection with short angle steel two limbs third reserved bolt hole
10-摩擦型螺栓10-Friction type bolt
11-纤维增强水泥基复合材料11- Fiber Reinforced Cementitious Composites
具体实施方式:Detailed ways:
下面结合附图对本发明做进一步说明。The present invention will be further described below in conjunction with the accompanying drawings.
如图1-4所示,本发明提供的短角钢连接的钢筋混凝土装配整体式框架,该框架包括钢筋混凝土预制梁1,附带短梁段2的钢筋混凝土预制柱3,As shown in Figures 1-4, the reinforced concrete assembled monolithic frame connected by short angle steel provided by the present invention includes a reinforced concrete prefabricated beam 1, a reinforced concrete prefabricated column 3 with a short beam section 2,
钢筋混凝土预制梁1的两个端部分别连接设有两个分肢的第一短角钢4,第一短角钢4两分肢带有第一预留螺栓孔5,The two ends of the reinforced concrete prefabricated beam 1 are respectively connected with the first short angle steel 4 provided with two limbs, the two limbs of the first short angle steel 4 have the first reserved bolt holes 5,
钢筋混凝土预制柱3上下两个端部分别带有连接用且带有两个分肢的第二短角钢6,第二短角钢6两分肢带有第二预留螺栓孔7,The upper and lower ends of the reinforced concrete prefabricated column 3 are respectively equipped with second short angle steel 6 for connection and has two limbs, and the two limbs of the second short angle steel 6 have second reserved bolt holes 7,
钢筋混凝土预制柱3的附带短梁段2带有连接用且带有两个分肢的第三短角钢8,第三短角钢8两分肢分别带有第三螺栓孔9、摩擦型螺栓10、纤维增强水泥基复合材料11;The attached short beam section 2 of the reinforced concrete prefabricated column 3 has a third short angle steel 8 for connection and has two limbs, and the two limbs of the third short angle steel 8 have a third bolt hole 9 and a friction bolt 10 respectively. , fiber reinforced cement-based composite material 11;
上下楼层的钢筋混凝土预制柱3通过第二短角钢6用摩擦型螺栓10穿过第二预留螺栓孔7相连;The reinforced concrete prefabricated columns 3 on the upper and lower floors are connected through the second short angle steel 6 and the friction bolt 10 through the second reserved bolt hole 7;
钢筋混凝土预制梁1和钢筋混凝土预制柱3之间的连接通过钢筋混凝土预制梁1端部的第一短角钢4和钢筋混凝土预制柱3附带短梁段2端部的第三短角钢用8用摩擦型螺栓10穿过第一预留螺栓孔5和第三预留螺栓孔9相连,然后在钢筋混凝土预制梁1和钢筋混凝土预制柱3连接区浇筑有纤维增强水泥基复合材料11,使结构成为装配整体式框架。The connection between the reinforced concrete prefabricated beam 1 and the reinforced concrete prefabricated column 3 is through the first short angle steel 4 at the end of the reinforced concrete prefabricated beam 1 and the third short angle steel at the end of the reinforced concrete prefabricated column 3 with the short beam section 2 for 8 Friction-type bolts 10 are connected through the first reserved bolt hole 5 and the third reserved bolt hole 9, and then a fiber-reinforced cement-based composite material 11 is poured in the connection area between the reinforced concrete prefabricated beam 1 and the reinforced concrete prefabricated column 3, so that the structure Become an assembled monolithic frame.
按照设计要求确定各连接用短角钢的尺寸,连接用短角钢上面按设计要求钻预留螺栓孔;在预制工厂的生产台座上面生产附带短梁段2的钢筋混凝土预制柱3,钢筋混凝土预制柱3两端部的连接用短角钢6和附带短梁段2端部的连接用短角钢8要注意放置位置,一半在预制构件内,一半在预制构件外;在预制工厂的生产台座上面生产钢筋混凝土预制梁1,钢筋混凝土预制梁1两端部的连接用短角钢4一半放置在预制构件内一半放置在预制构件外;将钢筋混凝土预制柱3和钢筋混凝土预制梁1运输到工地安装现场,先安装下层钢筋混凝土预制柱3,然后将上层的钢筋混凝土预制柱3吊装就位,用高强度摩擦型螺栓10连接上下层钢筋混凝土预制柱3端部的连接用短角钢6,然后在柱连接区浇筑纤维增强水泥基复合材料11,使各钢筋混凝土预制柱3成为一个整体;待钢筋混凝土预制柱3安装完成后,将钢筋混凝土预制梁1水平吊装就位,使钢筋混凝土预制梁1和钢筋混凝土预制柱3附带短梁段2位于同一水平标高处,用高强度摩擦型螺栓10连接钢筋混凝土预制梁1端部和钢筋混凝土预制柱3附带短梁段2的连接短角钢,然后在预制梁连接区浇筑纤维增强水泥基复合材料11,使钢筋混凝土预制梁1和钢筋混凝土预制柱3成为一个整体,完成钢筋混凝土装配整体式框架的制作。Determine the size of the short angle steel for each connection according to the design requirements, and drill bolt holes on the short angle steel for connection according to the design requirements; produce reinforced concrete prefabricated columns 3 with short beam sections 2 on the production pedestal of the prefabricated factory, and reinforced concrete prefabricated columns 3 The short angle steel 6 for the connection at both ends and the short angle steel 8 for the connection at the end of the attached short beam section 2 should pay attention to the placement position, half of which is inside the prefabricated component, and half is outside the prefabricated component; steel bars are produced on the production platform of the prefabricated factory The concrete prefabricated beam 1 and the short angle steel 4 used for connecting the two ends of the reinforced concrete prefabricated beam 1 are half placed inside the prefabricated component and half placed outside the prefabricated component; the reinforced concrete prefabricated column 3 and the reinforced concrete prefabricated beam 1 are transported to the construction site for installation, Install the reinforced concrete prefabricated column 3 of the lower floor first, then hoist the reinforced concrete precast column 3 of the upper floor into place, connect the upper and lower reinforced concrete precast column 3 ends with short angle steel 6 with high-strength friction bolts 10, and then connect the upper and lower reinforced concrete precast columns 3 The fiber-reinforced cement-based composite material 11 is poured in the area, so that the reinforced concrete prefabricated columns 3 are integrated; after the reinforced concrete prefabricated columns 3 are installed, the reinforced concrete prefabricated beams 1 are horizontally hoisted in place, so that the reinforced concrete prefabricated beams 1 and steel bars Concrete prefabricated column 3 with short beam section 2 is located at the same level, use high-strength friction bolts 10 to connect the end of reinforced concrete prefabricated beam 1 and the connecting short angle steel of reinforced concrete precast column 3 with short beam section 2, and then connect the precast beam The fiber-reinforced cement-based composite material 11 is poured in the connection area, so that the reinforced concrete prefabricated beam 1 and the reinforced concrete prefabricated column 3 are integrated to complete the fabrication of the reinforced concrete assembled integral frame.
本发明提供的一种短角钢连接的钢筋混凝土装配整体式框架的施工方法,该方法包括如下步骤:The invention provides a construction method for a reinforced concrete assembled monolithic frame connected by short angle steels, the method comprising the following steps:
步骤1:进行钢筋混凝土装配整体式框架结构的整体分析,确定钢筋混凝土预制柱、预制梁的截面尺寸、钢筋强度等级和钢筋用量等;确定钢筋混凝土预制柱、钢筋混凝土预制梁的分段情况:钢筋混凝土预制柱的分段点设置在楼层中部,选取上下楼层的弯矩反弯点处作为分段依据,并附带预制短梁段,钢筋混凝土预制梁的分段点设置在梁的端部,距离为预制柱边1~2h,h为钢筋混凝土预制梁高度,依据预制梁两端的弯矩反弯点作为分段依据;钢筋混凝土预制梁和钢筋混凝土预制柱分段完成后,根据钢筋混凝土预制梁和钢筋混凝土预制柱分段处的梁柱抗剪设计要求确定短角钢的具体尺寸;Step 1: Carry out the overall analysis of the reinforced concrete assembly monolithic frame structure, determine the cross-sectional dimensions of reinforced concrete precast columns and precast beams, the strength grade of steel bars and the amount of steel bars, etc.; determine the segmentation of reinforced concrete precast columns and reinforced concrete precast beams: The segmentation point of the reinforced concrete prefabricated column is set in the middle of the floor, and the moment inversion point of the upper and lower floors is selected as the segmentation basis, and the prefabricated short beam section is attached. The segmentation point of the reinforced concrete prefabricated beam is set at the end of the beam. The distance is 1~2h from the prefabricated column edge, h is the height of the reinforced concrete prefabricated beam. The beam-column shear design at the beam and reinforced concrete prefabricated column section requires the determination of the specific size of the short angle steel;
步骤2:制作钢筋混凝土预制柱和钢筋混凝土预制梁;按上面的设计要求制作钢筋混凝土预制柱和钢筋混凝土预制梁,其中钢筋混凝土预制柱带有短梁段,钢筋混凝土预制柱两端以及预制柱附带短梁段端部带有短角钢,连接短角钢预留螺栓孔方便高强度螺栓连接;Step 2: Make reinforced concrete precast columns and reinforced concrete precast beams; make reinforced concrete precast columns and reinforced concrete precast beams according to the above design requirements, where reinforced concrete precast columns have short beam sections, reinforced concrete precast columns at both ends and precast columns There is a short angle steel at the end of the attached short beam section, and bolt holes are reserved for connecting the short angle steel to facilitate high-strength bolt connection;
步骤3:钢筋混凝土预制柱的竖向连接;将预制好的柱段运输到工地现场,先安装下部的钢筋混凝土预制柱,然后将上部钢筋混凝土预制柱吊装就位,用高强度摩擦型螺栓连接上下柱端部的短角钢,然后在钢筋混凝土柱之间的连接区浇筑纤维增强水泥基复合材料,使柱成为一个整体;Step 3: Vertical connection of reinforced concrete precast columns; transport the prefabricated column sections to the construction site, first install the lower reinforced concrete precast columns, then hoist the upper reinforced concrete precast columns in place, and connect them with high-strength friction bolts The short angle steel at the end of the upper and lower columns, and then pouring fiber reinforced cement-based composite material in the connection area between the reinforced concrete columns, so that the columns become a whole;
步骤4:钢筋混凝土预制梁和钢筋混凝土预制柱的连接;待钢筋混凝土预制柱安装完成后,将钢筋混凝土预制梁水平吊装就位,与钢筋混凝土预制柱附带短梁段位于同一水平标高处,用高强度摩擦型螺栓连接钢筋混凝土预制梁端部的短角钢和预制柱附带短梁段的短角钢,然后在钢筋混凝土预制梁之间的连接区浇筑纤维增强水泥基复合材料,使梁柱成为一个整体,完成钢筋混凝土装配整体式框架的制作。Step 4: Connection of reinforced concrete precast beams and reinforced concrete precast columns; after the installation of reinforced concrete precast columns is completed, the reinforced concrete precast beams are hoisted in place horizontally, and are located at the same level as the short beam section attached to the reinforced concrete precast columns. High-strength friction bolts connect the short angle steel at the end of the reinforced concrete precast beam and the short angle steel with the short beam section attached to the precast column, and then pour fiber-reinforced cement-based composite materials in the connection area between the reinforced concrete precast beams to make the beam column a As a whole, complete the production of reinforced concrete assembly monolithic frame.
一种短角钢连接的钢筋混凝土装配整体式框架的施工方法,具体步骤如下:A construction method of a reinforced concrete assembled monolithic frame connected by short angle steels, the specific steps are as follows:
⑴进行钢筋混凝土装配整体式框架结构的整体分析,确定钢筋混凝土预制柱3、钢筋混凝土预制梁1的截面尺寸、钢筋强度等级和钢筋用量等;确定钢筋混凝土预制柱3、钢筋混凝土预制梁1的分段情况:钢筋混凝土预制柱3的分段点设置在楼层中部,选取上下楼层的弯矩反弯点处作为分段依据,钢筋混凝土预制柱3附带短梁段2,附带短梁段2长度为h,h为钢筋混凝土预制梁1高度,钢筋混凝土预制梁1的分段点设置在梁的端部,一般距钢筋混凝土预制柱3边1~2h,h为钢筋混凝土预制梁1高度;钢筋混凝土预制柱3和钢筋混凝土预制梁1分段完成后,根据钢筋混凝土预制柱3和钢筋混凝土预制梁1分段处的抗剪设计要求确定连接用短角钢的具体尺寸;(1) Carry out the overall analysis of the reinforced concrete assembly monolithic frame structure, determine the cross-sectional dimensions, steel bar strength grades, and steel bar consumption of the reinforced concrete precast column 3 and the reinforced concrete precast beam 1; Segmentation situation: the segmentation point of the reinforced concrete precast column 3 is set in the middle of the floor, and the moment inversion point of the upper and lower floors is selected as the segmentation basis. The reinforced concrete precast column 3 is attached with the short beam section 2, and the length of the short beam section 2 is attached is h, h is the height of reinforced concrete precast beam 1, and the subsection point of reinforced concrete precast beam 1 is set at the end of the beam, generally 1~2h away from the 3 sides of reinforced concrete precast column, h is the height of reinforced concrete precast beam 1; After the concrete prefabricated column 3 and the reinforced concrete prefabricated beam 1 section are completed, the specific size of the short angle steel for connection is determined according to the shear design requirements of the reinforced concrete precast column 3 and the reinforced concrete prefabricated beam 1 section;
⑵制作连接用短角钢;根据设计要求制作连接用短角钢,并在连接用短角钢端部预留螺栓孔;⑵Make short angle steel for connection; make short angle steel for connection according to design requirements, and reserve bolt holes at the ends of short angle steel for connection;
⑶制作钢筋混凝土预制柱3和钢筋混凝土预制梁1;按上面的设计要求在预制工厂生产台座上年制作钢筋混凝土预制柱3和钢筋混凝土预制梁1,其中钢筋混凝土预制柱3带有短梁段2,钢筋混凝土预制柱3两端部、钢筋混凝土预制柱3附带短梁段2端部和钢筋混凝土预制梁1两端部带有连接用短角钢,连接用短角钢应将带螺栓孔的部分置于预制构件外,其余部分置于预制构件内;⑶ Manufacture reinforced concrete prefabricated column 3 and reinforced concrete precast beam 1; according to the above design requirements, manufacture pedestals in the prefabricated factory last year to manufacture reinforced concrete prefabricated column 3 and reinforced concrete prefabricated beam 1, wherein reinforced concrete prefabricated column 3 has a short beam section 2. The two ends of reinforced concrete precast column 3, the ends of reinforced concrete precast column 3 with short beam section 2 and the two ends of reinforced concrete precast beam 1 have short angle steel for connection, and the short angle steel for connection should be connected to the part with bolt holes placed outside the prefabricated components, and the rest placed inside the prefabricated components;
⑷钢筋混凝土预制柱3的竖向连接;将制作完成的钢筋混凝土预制柱3运输到工地安装现场,先安装下部的钢筋混凝土预制柱3,然后将上部的钢筋混凝土预制柱3吊装就位,将上下预制柱端部连接用短角钢的螺栓孔对齐,用高强度摩擦型螺栓10连接,然后在钢筋混凝土预制柱3连接区浇筑纤维增强水泥基复合材料11,使各钢筋混凝土预制柱3成为一个整体;(4) Vertical connection of reinforced concrete prefabricated column 3; transport the completed reinforced concrete prefabricated column 3 to the installation site, first install the lower reinforced concrete precast column 3, then hoist the upper reinforced concrete prefabricated column 3 into place, and place The bolt holes of the short angle steel are used to connect the ends of the upper and lower prefabricated columns, and they are connected with high-strength friction bolts 10, and then fiber-reinforced cement-based composite materials 11 are poured in the connection area of the reinforced concrete precast columns 3, so that each reinforced concrete precast column 3 becomes one overall;
⑸钢筋混凝土预制梁1和钢筋混凝土预制柱3的水平连接;待钢筋混凝土预制柱3安装完成后,将钢筋混凝土预制梁1水平吊装就位,使钢筋混凝土预制梁1和钢筋混凝土预制柱3附带短梁段2位于同一水平标高处,用高强度摩擦型螺栓10连接钢筋混凝土预制梁1端部和钢筋混凝土预制柱3附带短梁段2的连接短角钢,然后在预制梁连接区浇筑纤维增强水泥基复合材料11,使钢筋混凝土预制梁1和钢筋混凝土预制柱3成为一个整体,完成钢筋混凝土装配整体式框架的制作。⑸ Horizontal connection of reinforced concrete precast beam 1 and reinforced concrete precast column 3; after the installation of reinforced concrete precast column 3 is completed, the reinforced concrete precast The short beam section 2 is located at the same level, and the end of the reinforced concrete precast beam 1 and the reinforced concrete precast column 3 are connected with the short angle steel attached to the short beam section 2 with high-strength friction bolts 10, and then fiber reinforced concrete is poured in the connection area of the precast beam The cement-based composite material 11 integrates the reinforced concrete prefabricated beam 1 and the reinforced concrete prefabricated column 3 to complete the fabrication of the reinforced concrete assembled integral frame.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410796762.7A CN104532952A (en) | 2014-12-19 | 2014-12-19 | Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410796762.7A CN104532952A (en) | 2014-12-19 | 2014-12-19 | Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104532952A true CN104532952A (en) | 2015-04-22 |
Family
ID=52848559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410796762.7A Pending CN104532952A (en) | 2014-12-19 | 2014-12-19 | Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104532952A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499054A (en) * | 2016-11-30 | 2017-03-15 | 上海建工二建集团有限公司 | Prefabricated assembled frame beam column structure and its construction method |
CN109138153A (en) * | 2018-08-03 | 2019-01-04 | 青岛理工大学 | Prefabricated concrete column and column assembled connected node |
CN110145024A (en) * | 2019-06-25 | 2019-08-20 | 安徽建筑大学 | A prefabricated beam-column joint using pressure-bearing steel plates |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102505760A (en) * | 2011-11-17 | 2012-06-20 | 东南大学 | Prefabricated combined beam and column node member |
CN102587576A (en) * | 2012-03-02 | 2012-07-18 | 东南大学 | Combined precast column with nodes |
CN202644841U (en) * | 2012-06-26 | 2013-01-02 | 中国十七冶集团有限公司 | Combination prefabricated superposed beam |
KR101292395B1 (en) * | 2011-09-22 | 2013-08-01 | 대림산업 주식회사 | A compenstation struture for high strength polygonal centrifugal precast columns |
CN103774754A (en) * | 2014-01-07 | 2014-05-07 | 同济大学 | Prefabricated ECC-RC combination beam column joint component |
-
2014
- 2014-12-19 CN CN201410796762.7A patent/CN104532952A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101292395B1 (en) * | 2011-09-22 | 2013-08-01 | 대림산업 주식회사 | A compenstation struture for high strength polygonal centrifugal precast columns |
CN102505760A (en) * | 2011-11-17 | 2012-06-20 | 东南大学 | Prefabricated combined beam and column node member |
CN102587576A (en) * | 2012-03-02 | 2012-07-18 | 东南大学 | Combined precast column with nodes |
CN202644841U (en) * | 2012-06-26 | 2013-01-02 | 中国十七冶集团有限公司 | Combination prefabricated superposed beam |
CN103774754A (en) * | 2014-01-07 | 2014-05-07 | 同济大学 | Prefabricated ECC-RC combination beam column joint component |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106499054A (en) * | 2016-11-30 | 2017-03-15 | 上海建工二建集团有限公司 | Prefabricated assembled frame beam column structure and its construction method |
CN109138153A (en) * | 2018-08-03 | 2019-01-04 | 青岛理工大学 | Prefabricated concrete column and column assembled connected node |
CN110145024A (en) * | 2019-06-25 | 2019-08-20 | 安徽建筑大学 | A prefabricated beam-column joint using pressure-bearing steel plates |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103104039B (en) | Assembled framework beam-column joint adopting cover plate connection and construction method thereof | |
CN103074941B (en) | A prefabricated recycled concrete node with reinforced truss beam at the end and its method | |
CN107143034A (en) | A kind of assembly concrete frame structure beam column rigid connection node | |
CN105839846A (en) | Prefabricated reinforced concrete composite beam | |
CN104453093B (en) | Prefabricated steel reinforced concrete beam with transversal high-strength concrete clapboard, and construction method | |
CN105804241A (en) | Single-layer prefabricated assembly type reinforced concrete beam-column joint | |
CN104594561A (en) | Prefabricated reinforced concrete column with high-performance concrete frame and construction method | |
CN102747781A (en) | Fiber reinforce plastic (FRP) combination structure frame where integral type node is adopted and construction method thereof | |
CN104499568A (en) | Square steel pipe fabricated column-prefabricated superposed beam integrally-fabricated frame and construction method | |
CN104652705B (en) | Prefabricated and assembly type steel reinforced concrete column with high-performance concrete frame and construction method | |
CN108571071A (en) | Prefabricated PC beams of concrete column connected node and construction method | |
CN204126048U (en) | Bracket steel bar concrete shear force wall connecting pin contact assembled architecture | |
CN106013432A (en) | Joint connecting structure in high-ductility assembled integrated frame and construction method | |
CN108589971A (en) | A kind of closed-section steel deck combined concrete shear wall connecting node and production method | |
CN108571070A (en) | A kind of Prefabricated concrete-filled steel tube ring beam connection structure and construction method | |
CN203452228U (en) | Frame-shear wall architectural structure | |
CN108775084B (en) | Steel-concrete composite prefabricated beam and prefabricated column connection structure and construction method | |
CN103541433B (en) | Assembly concrete hook-hang type node | |
CN114718186A (en) | Partially using ECC section steel concrete column-steel beam assembly structure and assembly method | |
CN103924676B (en) | Prestressing force connects beams of concrete concrete-filled circular steel tube column node | |
CN110424548B (en) | Steel pipe concrete column-beamless floor connecting node and construction method thereof | |
CN102587576B (en) | Combined precast column with nodes | |
CN104532952A (en) | Short angle iron connection type reinforced concrete assembling integrated frame and construction method thereof | |
CN204357001U (en) | A kind of prefabrication and assembly construction profile steel concrete column skeleton | |
CN106677340A (en) | Flange plate type precast assembly type concrete hidden bracket dry type connecting system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |
|
WD01 | Invention patent application deemed withdrawn after publication |