CN108978859A - Assembled beam-column connecting node - Google Patents
Assembled beam-column connecting node Download PDFInfo
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- CN108978859A CN108978859A CN201810957794.9A CN201810957794A CN108978859A CN 108978859 A CN108978859 A CN 108978859A CN 201810957794 A CN201810957794 A CN 201810957794A CN 108978859 A CN108978859 A CN 108978859A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 84
- 239000010959 steel Substances 0.000 claims abstract description 84
- 238000003780 insertion Methods 0.000 claims abstract description 28
- 230000037431 insertion Effects 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000011376 self-consolidating concrete Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 abstract description 14
- 239000004567 concrete Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明涉及一种装配式梁柱连接节点，属于土木工程中预制装配式结构领域。包括预制梁、预制柱、钢牛腿盒、连接件一、连接件二、插入孔、插入筋、自密实型混凝土、橡胶垫层、对拉螺栓、垫板、螺母、钢牛腿盒操作口、预制梁内底部纵筋、预制梁内预留横向钢筋、连接钢板预留钢筋、穿接孔、对拉螺栓孔和预制柱操作口；所述预制柱包括预制上柱和预制下柱，预制上柱和预制下柱上均设置有2个对拉螺栓孔，每个对拉螺栓孔内采用2根对拉螺栓连接；本发明不仅装配过程中无需现浇混凝土，成本节约，施工速度快，而且在保证节点抗弯、抗剪承载力的同时，避免了梁柱节点区钢筋构造复杂等问题。
The invention relates to an assembled beam-column connection node, which belongs to the field of prefabricated assembled structures in civil engineering. Including prefabricated beams, prefabricated columns, steel corbel boxes, connection piece 1, connection piece 2, insertion holes, insertion bars, self-compacting concrete, rubber cushion, tension bolts, backing plates, nuts, steel corbel box operation port , the longitudinal reinforcement at the bottom of the prefabricated beam, the reserved transverse reinforcement in the prefabricated beam, the reserved reinforcement of the connecting steel plate, the piercing hole, the tension bolt hole and the operation port of the prefabricated column; the prefabricated column includes the prefabricated upper column and the prefabricated lower column, the prefabricated Both the upper column and the prefabricated lower column are provided with 2 tension bolt holes, and each tension bolt hole is connected by 2 tension bolts; the invention not only does not require cast-in-situ concrete during the assembly process, but also saves cost and fast construction speed. Moreover, while ensuring the bending resistance and shear bearing capacity of the joints, problems such as the complex structure of the steel bars in the beam-column joint area are avoided.
Description
技术领域technical field
本发明属于土木工程中预制装配式结构领域，特别是涉及一种装配式梁柱连接节点。The invention belongs to the field of prefabricated assembled structures in civil engineering, in particular to an assembled beam-column connection node.
背景技术Background technique
装配式结构与现浇混凝土结构相比比原始现浇作业大大减少，并且大量的建筑部品由车间生产加工完成，构件种类主要有：外墙板，内墙板，叠合板，阳台，空调板，楼梯，预制梁，预制柱等。同时采用建筑、装修一体化设计、施工，可以随主体施工同步进行，缩短了工期，降低了成本、有助于建筑工业化、经济和环境效益好等优点。Compared with the cast-in-place concrete structure, the prefabricated structure greatly reduces the original cast-in-place operation, and a large number of building parts are produced and processed by the workshop. The main types of components are: exterior wall panels, interior wall panels, laminated panels, balconies, air-conditioning panels, stairs , prefabricated beams, prefabricated columns, etc. At the same time, it adopts the integrated design and construction of architecture and decoration, which can be carried out simultaneously with the main construction, shortening the construction period, reducing costs, contributing to the industrialization of construction, and good economic and environmental benefits.
虽然装配整体式框架结构有诸多的好处，但是在实际施工过程中连接节点处存在着许多技术难题，吊装构件不易进行施工定位，进而降低施工质量和装配效率；对装配整体式框架结构而言，梁—柱连接又是施工关键所在，目前梁—柱连接的钢筋连接多采用机械套筒连接、焊接连接或湿式连接等形式；而这些连接节点又存在着构造复杂、传力不直接、施工工序较多等问题。这就需要开发新的便于连接的预制装配式钢筋混凝土框架梁柱连接节点，以便充分发挥装配式结构的优点，显得十分重要。Although there are many advantages in assembling the integral frame structure, there are many technical difficulties at the connection nodes in the actual construction process, and the hoisting components are not easy to carry out construction positioning, thereby reducing the construction quality and assembly efficiency; for the assembly of the integral frame structure, The beam-column connection is the key to the construction. At present, the steel bar connection of the beam-column connection mostly adopts the form of mechanical sleeve connection, welding connection or wet connection. However, these connection nodes have complex structures, indirect force transmission, and construction procedures. More questions. This requires the development of new prefabricated reinforced concrete frame beam-column connection nodes that are easy to connect, so that the advantages of the fabricated structure can be fully utilized, which is very important.
发明内容Contents of the invention
为了解决上述存在的技术问题，本发明提供了一种装配式梁柱连接节点，主要是为了开发一种装配过程中无需现浇混凝土，成本节约，施工速度快的梁柱连接节点，通过所述连接件二将预制下柱和钢牛腿盒固定连接通过连接件一将预制上柱和预制下柱固定连接通过钢牛腿盒和连接件一将预制梁、预制上柱、预制下柱固定连接后向插入孔内灌入自密实型混凝土完成结构装配，能够有效避免梁柱节点区钢筋构造复杂等问题。In order to solve the above-mentioned existing technical problems, the present invention provides an assembled beam-column connection node, mainly for the purpose of developing a beam-column connection node that does not require cast-in-place concrete in the assembly process, saves costs, and has a fast construction speed. Connecting piece 2 connects the prefabricated lower column and the steel corbel box fixedly Connects the prefabricated upper column and the prefabricated lower column through the connecting piece 1 Fixes the prefabricated beam, the prefabricated upper column and the prefabricated lower column through the steel corbel box and the connecting piece 1 The self-compacting concrete is poured into the insertion hole to complete the structural assembly, which can effectively avoid problems such as the complex structure of the steel bars in the beam-column joint area.
为了实现上述目的，本发明所采用的技术方案是：In order to achieve the above object, the technical solution adopted in the present invention is:
装配式梁柱连接节点，包括预制梁、预制柱、钢牛腿盒、连接件一、连接件二、插入孔、插入筋、自密实型混凝土、橡胶垫层、对拉螺栓、垫板、螺母、钢牛腿盒操作口、预制梁内底部纵筋、预制梁内预留横向钢筋、连接钢板预留钢筋、穿接孔、对拉螺栓孔和预制柱操作口；所述预制柱包括预制上柱和预制下柱，预制上柱和预制下柱上均设置有2个对拉螺栓孔，每个对拉螺栓孔内采用2根对拉螺栓连接；预制下柱中预埋有连接件二，连接件二包括连接钢板、锚筋和连接钢板预留钢筋，锚筋设置在连接钢板上，连接钢板预留钢筋在钢牛腿盒里通过螺栓固定；使用螺母和垫板通过连接件二将预制下柱和钢牛腿盒固定连接，钢牛腿盒设有穿接孔，且一面敞开，敞开面为钢牛腿盒操作口，在预制上柱内设有预制柱操作口，连接件一包括H型钢和槽钢，H型钢的腹板开设有穿接孔，使用对拉螺栓通过连接件一将预制上柱和预制下柱固定连接，设置预制梁搭接在钢牛腿盒和连接件一上，预制梁底部设置预制梁内底部纵筋、内部设置预制梁内预留横向钢筋与钢牛腿盒连接；使用螺母和垫板通过钢牛腿盒和连接件一将预制梁、预制上柱和预制下柱固定连接，在连接件一的槽钢的上下翼缘开设有穿接孔，钢牛腿盒顶部设置的插入筋插入在预制梁预留的插入孔中，插入孔外侧设置橡胶垫层，自插入孔向结构内部内填充自密实型混凝土。Prefabricated beam-column connection nodes, including prefabricated beams, prefabricated columns, steel corbel boxes, connector 1, connector 2, insertion holes, insertion ribs, self-compacting concrete, rubber cushion, tension bolts, backing plates, nuts , steel corbel box operation port, longitudinal reinforcement at the bottom of the prefabricated beam, reserved transverse reinforcement in the prefabricated beam, reserved reinforcement for connecting steel plates, piercing holes, tension bolt holes and prefabricated column operation ports; the prefabricated column includes prefabricated upper The prefabricated upper column and the prefabricated lower column are provided with 2 tension bolt holes, and each tension bolt hole is connected by 2 tension bolts; the prefabricated lower column is embedded with two connectors, The second connecting piece includes the connecting steel plate, the anchor bar and the reserved steel bar for the connecting steel plate. The anchor bar is set on the connecting steel plate, and the reserved steel bar for the connecting plate is fixed by bolts in the steel corbel box; the prefabricated The lower column and the steel corbel box are fixedly connected. The steel corbel box is provided with a piercing hole, and one side is open. H-shaped steel and channel steel, the web of the H-shaped steel is provided with piercing holes, and the prefabricated upper column and the prefabricated lower column are fixedly connected through the connecting piece 1 with the pull bolts, and the prefabricated beam is lapped on the steel corbel box and the connecting piece 1 On the bottom of the prefabricated beam, the longitudinal reinforcement at the bottom of the prefabricated beam is set, and the horizontal reinforcement reserved in the prefabricated beam is set inside the prefabricated beam to connect with the steel corbel box; use nuts and backing plates to connect the prefabricated beam and prefabricated upper column through the steel corbel box and connectors. It is fixedly connected with the prefabricated lower column. There are piercing holes on the upper and lower flanges of the channel steel of the connecting piece 1. The insertion ribs set on the top of the steel corbel box are inserted into the insertion holes reserved for the prefabricated beams, and rubber pads are set outside the insertion holes. layer, filling self-compacting concrete from the insertion hole to the interior of the structure.
进一步地，所述预制柱操作口形状为方形。Further, the shape of the operation port of the prefabricated column is square.
进一步地，所述的插入孔为圆形孔。Further, the insertion hole is a circular hole.
进一步地，对拉螺栓孔内放置厚度为50mm~100mm橡胶垫层。Further, a rubber cushion with a thickness of 50mm~100mm is placed in the pull bolt hole.
本发明的有益效果：Beneficial effects of the present invention:
本发明的有益效果和优点是可有效提高梁柱结构施工效率，简化了施工工艺，在保证节点抗弯、抗剪承载力的同时，避免了梁柱节点区钢筋构造复杂等问题，同时节省了大量模板、支撑及劳动力，经济效果显著。The beneficial effects and advantages of the present invention are that the construction efficiency of the beam-column structure can be effectively improved, the construction process is simplified, while ensuring the bending resistance and shear bearing capacity of the joints, problems such as the complex structure of the steel bars in the beam-column joint area are avoided, and at the same time saving A large number of templates, supports and labor force, the economic effect is remarkable.
附图说明Description of drawings
图1为装配式梁柱连接节点正面剖视图。Figure 1 is a front sectional view of a fabricated beam-column connection node.
图2为本发明中预制梁结构示意图。Fig. 2 is a schematic diagram of the prefabricated beam structure in the present invention.
图3为本发明中预制上柱和预制下柱连接主视图。Fig. 3 is a front view of the connection between the prefabricated upper column and the prefabricated lower column in the present invention.
图4为本发明图3中A-A剖视图。Fig. 4 is a sectional view of A-A in Fig. 3 of the present invention.
图5为本发明中钢牛腿盒结构示意图。Fig. 5 is a schematic diagram of the structure of the medium steel corbel box of the present invention.
图6为本发明中连接件一结构示意图。Fig. 6 is a structural schematic diagram of a connector in the present invention.
图7为本发明中连接件二结构示意图。Fig. 7 is a schematic diagram of the structure of the second connector in the present invention.
图中：1为预制梁；2为预制柱；3为钢牛腿盒；4为连接件一；5为连接件二；6为插入孔；7为插入筋；8为自密实型混凝土；9为橡胶垫层；10为对拉螺栓；11为垫板；12为螺母；13为钢牛腿盒操作口；14为预制梁内底部纵筋；15为预制梁内预留横向钢筋；16为连接钢板预留钢筋；17为穿接孔；18为对拉螺栓孔；19为预制柱操作口；2-1为预制上柱；2-2为预制下柱；4-1为H型钢；4-2为槽钢；5-1为连接钢板；5-2为锚筋。In the figure: 1 is the prefabricated beam; 2 is the prefabricated column; 3 is the steel corbel box; 4 is the connector 1; 5 is the connector 2; 6 is the insertion hole; 7 is the insertion rib; 8 is the self-compacting concrete; 10 is the pull bolt; 11 is the backing plate; 12 is the nut; 13 is the operation port of the steel corbel box; 14 is the longitudinal reinforcement at the bottom of the prefabricated beam; Steel bars reserved for connecting steel plates; 17 is the piercing hole; 18 is the pull bolt hole; 19 is the operation port of the prefabricated column; 2-1 is the prefabricated upper column; 2-2 is the prefabricated lower column; 4-1 is H-shaped steel; 4 -2 is channel steel; 5-1 is connecting steel plate; 5-2 is anchor bar.
具体实施方式Detailed ways
为了进一步说明本发明，下面结合附图及实施例对本发明进行详细地描述：但不能将它们理解为对本发明保护范围的限定。In order to further illustrate the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments: but they should not be construed as limiting the protection scope of the present invention.
实施例：如图1—7所示：一种装配式梁柱连接节点，包括预制梁1、预制柱2、钢牛腿盒3、连接件一4、连接件二5、插入孔6、插入筋7、自密实型混凝土8、橡胶垫层9、对拉螺栓10、垫板11、螺母12、钢牛腿盒操作口13、预制梁内底部纵筋14、预制梁内预留横向钢筋15、连接钢板预留钢筋16、穿接孔17、对拉螺栓孔18和预制柱操作口19；所述预制柱2包括预制上柱2-1和预制下柱2-2，预制上柱2-1和预制下柱2-2上均设置有2个对拉螺栓孔18，每个对拉螺栓孔18内采用2根对拉螺栓10连接；对拉螺栓孔18内放置厚度为50mm~100mm橡胶垫层9；预制下柱2-2中预埋有连接件二5，连接件二5包括连接钢板5-1、锚筋5-2和连接钢板预留钢筋16，锚筋5-2设置在连接钢板5-1上，连接钢板预留钢筋16在钢牛腿盒3里通过螺栓固定；使用螺母12和垫板11通过连接件二5将预制下柱2-2和钢牛腿盒3固定连接，钢牛腿盒3设有穿接孔17，且一面敞开，敞开面为钢牛腿盒操作口13，在预制上柱2-1内设有预制柱操作口19，预制柱操作口（19）形状为方形,连接件一4包括H型钢4-1和槽钢4-2，H型钢4-1的腹板开设有穿接孔17，使用对拉螺栓10通过连接件一4将预制上柱2-1和预制下柱2-2固定连接，设置预制梁1搭接在钢牛腿盒3和连接件一4上，预制梁1底部设置预制梁内底部纵筋14、内部设置预制梁内预留横向钢筋15与钢牛腿盒3连接；使用螺母12和垫板11通过钢牛腿盒3和连接件一4将预制梁1、预制上柱2-1和预制下柱2-2固定连接，在连接件一4的槽钢4-2的上下翼缘开设有穿接孔17，钢牛腿盒3顶部设置的插入筋7插入在预制梁1预留的插入孔6中，插入孔6为圆形孔,插入孔6外侧设置橡胶垫层9，自插入孔6向结构内部内填充自密实型混凝土8。Embodiment: As shown in Figure 1-7: an assembled beam-column connection node, including prefabricated beam 1, prefabricated column 2, steel corbel box 3, connector one 4, connector two 5, insertion hole 6, insertion Rib 7, self-compacting concrete 8, rubber cushion 9, tension bolt 10, backing plate 11, nut 12, steel corbel box operation port 13, longitudinal reinforcement at the inner bottom of the prefabricated beam 14, and reserved transverse reinforcement in the prefabricated beam 15 , steel bars 16 reserved for connecting steel plates, piercing holes 17, pull bolt holes 18 and prefabricated column operating ports 19; 1 and the prefabricated lower column 2-2 are provided with two tension bolt holes 18, and each tension bolt hole 18 is connected by two tension bolts 10; Cushion layer 9; prefabricated lower column 2-2 is pre-embedded with connector 2 5, connector 2 5 includes connecting steel plate 5-1, anchor bar 5-2 and steel bar 16 reserved for connecting steel plate, anchor bar 5-2 is set on On the connecting steel plate 5-1, the steel bar 16 reserved for the connecting steel plate is fixed by bolts in the steel corbel box 3; the prefabricated lower column 2-2 and the steel corbel box 3 are fixed by using the nut 12 and the backing plate 11 through the connector 2 5 Connection, steel corbel box 3 is provided with piercing hole 17, and one side is open, and open face is steel corbel box operating port 13, is provided with prefabricated column operating port 19 in prefabricated upper column 2-1, and prefabricated column operating port ( 19) The shape is square, and the connecting piece 4 includes H-shaped steel 4-1 and channel steel 4-2. The web of H-shaped steel 4-1 is provided with piercing holes 17, and the prefabricated The upper column 2-1 and the prefabricated lower column 2-2 are fixedly connected, and the prefabricated beam 1 is set to be lapped on the steel corbel box 3 and the connector 14. The transverse reinforcement 15 reserved in the beam is connected with the steel corbel box 3; the prefabricated beam 1, the prefabricated upper column 2-1 and the prefabricated lower column 2- 2 fixed connection, the upper and lower flanges of the channel steel 4-2 of the connector one 4 are provided with piercing holes 17, and the insertion ribs 7 provided on the top of the steel corbel box 3 are inserted into the insertion holes 6 reserved for the prefabricated beam 1, The insertion hole 6 is a circular hole, and a rubber cushion 9 is arranged on the outside of the insertion hole 6, and self-compacting concrete 8 is filled from the insertion hole 6 to the inside of the structure.
施工时，待预制下柱2-2装配完成后，首先，用螺母12通过所述连接件二5将预制下柱2-2和钢牛腿盒3固定连接在一起，所述钢牛腿盒3设有穿接孔17，其次在预制下柱2-2上放置连接件一4，用对拉螺栓10通过连接件一4将预制上柱2-1和预制下柱2-2固定连接在一起， 所述预制上柱2-1内相应的位置设有操作口，所述连接件一4的H型钢4-1的腹板开设有穿接孔17，所述的预制上柱2-1和预制下柱2-2上均设置2个对拉螺栓孔18，对拉螺栓孔18内放置50mm厚的橡胶垫层9并采用4个对拉螺栓10连接，预制梁1搭接在所述钢牛腿盒3和连接件二5上，用螺母12通过钢牛腿盒3和连接件一4将预制梁1、预制上柱2-1、预制下柱2-2固定连接在一起，所述连接件一4槽钢4-2的上下翼缘开设有穿接孔17，钢牛腿盒3顶部设置的插入筋7插入到在预制梁（1）预留的插入孔6中，最后向插入孔6内灌入自密实型混凝土8，完成结构装配。During construction, after the assembly of the prefabricated lower column 2-2 is completed, firstly, the prefabricated lower column 2-2 and the steel corbel box 3 are fixedly connected together with the nut 12 through the connector 25, and the steel corbel box 3 is provided with a piercing hole 17, and secondly place a connecting piece 4 on the prefabricated lower column 2-2, and use the pull bolt 10 to fix the prefabricated upper column 2-1 and the prefabricated lower column 2-2 through the connecting piece 4. Together, the corresponding position in the prefabricated upper column 2-1 is provided with an operation port, the web of the H-shaped steel 4-1 of the connecting piece 4 is provided with a piercing hole 17, and the prefabricated upper column 2-1 Two tension bolt holes 18 are arranged on the prefabricated lower column 2-2, a 50mm thick rubber cushion 9 is placed in the tension bolt holes 18 and connected by four tension bolts 10, and the prefabricated beam 1 is lapped on the On the steel corbel box 3 and the connecting piece 2 5, the prefabricated beam 1, the prefabricated upper column 2-1, and the prefabricated lower column 2-2 are fixedly connected together by the nut 12 through the steel corbel box 3 and the connecting piece 14, so that The upper and lower flanges of the connector-4 channel steel 4-2 are provided with piercing holes 17, and the insertion ribs 7 provided on the top of the steel corbel box 3 are inserted into the insertion holes 6 reserved in the prefabricated beam (1), and finally to the The self-compacting concrete 8 is poured into the insertion hole 6 to complete the structural assembly.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.
Claims (4)
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| CN201810957794.9A CN108978859A (en) | 2018-08-22 | 2018-08-22 | Assembled beam-column connecting node |
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| CN109403456A (en) * | 2018-12-20 | 2019-03-01 | 中铁五局集团路桥工程有限责任公司 | A kind of steel corbel pre-buried structure and its construction method |
| CN109914697A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | Prefabricated column for prefabricated frame structure building |
| CN110029818A (en) * | 2019-03-19 | 2019-07-19 | 中国建筑第四工程局有限公司 | A kind of precast construction rapid constructing method |
| CN110107109A (en) * | 2019-04-24 | 2019-08-09 | 西安长庆科技工程有限责任公司 | A kind of steel and concrete structure extend beam-column joint connecting structure method |
| CN111270764A (en) * | 2020-04-03 | 2020-06-12 | 沈阳促晋科技有限公司 | Integrated connection node of primary and secondary beams of prefabricated concrete frame structure |
| CN111677107A (en) * | 2020-05-26 | 2020-09-18 | 淮阴工学院 | A new type of assembled connection node |
| CN111734028A (en) * | 2020-07-06 | 2020-10-02 | 瑞洲建设集团有限公司 | Assembly connection method for assembly type concrete frame structure |
| CN111764505A (en) * | 2020-06-28 | 2020-10-13 | 湖北省建工第二建设有限公司 | Connecting structure of concrete precast beam and cast-in-place column and construction method thereof |
| CN113006274A (en) * | 2021-04-30 | 2021-06-22 | 沈阳建筑大学 | Novel prefabricated frame construction beam column dry-type connected node |
| CN113445744A (en) * | 2021-08-05 | 2021-09-28 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
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| CN109403456B (en) * | 2018-12-20 | 2024-05-17 | 中铁五局集团路桥工程有限责任公司 | Steel corbel embedded structure and construction method thereof |
| CN109403456A (en) * | 2018-12-20 | 2019-03-01 | 中铁五局集团路桥工程有限责任公司 | A kind of steel corbel pre-buried structure and its construction method |
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| CN110107109A (en) * | 2019-04-24 | 2019-08-09 | 西安长庆科技工程有限责任公司 | A kind of steel and concrete structure extend beam-column joint connecting structure method |
| CN111270764A (en) * | 2020-04-03 | 2020-06-12 | 沈阳促晋科技有限公司 | Integrated connection node of primary and secondary beams of prefabricated concrete frame structure |
| CN111677107A (en) * | 2020-05-26 | 2020-09-18 | 淮阴工学院 | A new type of assembled connection node |
| CN111764505A (en) * | 2020-06-28 | 2020-10-13 | 湖北省建工第二建设有限公司 | Connecting structure of concrete precast beam and cast-in-place column and construction method thereof |
| CN111734028A (en) * | 2020-07-06 | 2020-10-02 | 瑞洲建设集团有限公司 | Assembly connection method for assembly type concrete frame structure |
| CN113006274A (en) * | 2021-04-30 | 2021-06-22 | 沈阳建筑大学 | Novel prefabricated frame construction beam column dry-type connected node |
| CN113445744B (en) * | 2021-08-05 | 2022-04-08 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
| CN113445744A (en) * | 2021-08-05 | 2021-09-28 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
| CN114482598A (en) * | 2022-01-12 | 2022-05-13 | 广城建设集团有限公司 | Building column strengthening structure and method |
| CN114482598B (en) * | 2022-01-12 | 2023-09-22 | 广城建设集团有限公司 | Building column strengthening structure and method |
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Application publication date: 20181211 |