A formwork for construction of an external building node, a formwork unit and a construction method

Abstract

The application relates to the technical field of building construction, and particularly discloses a formwork for construction of an outwardly convex joint of a building, a formwork unit and a construction method, which comprises a framework with a U-shaped groove and inserted on the outer side of a main body structure, a plate member installed in the framework and forming a concrete pouring groove between the outer side of the main body structure, and a fixing member for fixing the framework and the main body structure; the top of the concrete pouring groove is provided with an opening. Compared with the prior art, the application avoids setting up a cantilever platform to realize the construction of the outwardly convex joint, greatly improves the construction efficiency, does not need to set up a cantilever platform, reduces the use of turnover materials, and thus reduces the construction cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, and more particularly to a formwork for construction of an outwardly convex joint of a building, a formwork unit and a construction method. BACKGROUND

[0002] Climbing frames are widely used in the construction of high-rise and super high-rise buildings. In the prior art, in order to meet the modeling requirements of the building facade, more outwardly convex joints are designed.

[0003] However, the existence of outwardly convex joints will affect the climbing of the climbing frame, so the construction of the outwardly convex joints is often carried out after the climbing frame is lifted. The conventional construction method for the outwardly convex joints in the prior art is to set up a cantilever platform to set up a formwork at the outwardly convex joint, and then to realize the pouring of concrete at the position. This construction method is slow in construction progress, requires a large amount of turnover materials, and has a long construction period, which seriously affects the construction progress. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a formwork for construction of an outwardly convex joint of a building, a formwork unit and a construction method.

[0005] The solution adopted by the present application to solve the technical problem is:

[0006] A formwork for construction of an outwardly convex joint of a building, comprising a framework having a U-shaped slot and being inserted outside a main body structure, a plate member being installed in the framework and forming a concrete pouring slot between the outer side of the main body structure, and a fixing member for fixing the framework and the main body structure; the top of the concrete pouring slot has an opening.

[0007] In some possible implementation manners,

[0008] The framework comprises two groups of U-shaped frames which are identical in structure and arranged in parallel; the opening of the U-shaped frame is arranged on the side close to the main body structure.

[0009] In some possible implementation manners,

[0010] The U-shaped frame comprises a bottom rod arranged at the bottom of the main body structure, a vertical rod connected to the end of the bottom rod away from the main body structure, and a top rod located above the main body structure and connected to the end of the vertical rod away from the bottom rod.

[0011] In some possible implementation manners,

[0012] The fixing member comprises a wedge-shaped block I arranged between the top rod and the top surface of the main body structure.

[0013] In some possible implementation manners,

[0014] The fixing member further comprises an end member arranged at the end of the bottom rod away from the vertical rod and inside the main body structure, and a wedge-shaped block two arranged between the end member and the inner side surface of the main body structure, and a slot is formed between the end member and the inner side surface of the main body structure, and the wedge-shaped block two is inserted into the slot.

[0015] In some possible implementation manners,

[0016] The plate member comprises an end side plate arranged at the bottom of the U-shaped groove and installed in the framework, two groups of outer side plates arranged between the end side plate and the main body structure and installed on the framework, and a bottom side plate installed in the framework and having a top surface coplanar with the bottom of the main body structure.

[0017] A formwork unit for construction of an external convex joint of a building, comprising at least two groups of forms arranged vertically and described above, and a support member arranged between adjacent two groups of forms.

[0018] In some possible implementation manners,

[0019] The support member comprises a plurality of support rods arranged vertically and in the same number as the U-shaped frames, and the support rod comprises a vertical rod arranged vertically, and two groups of top supports respectively connected to two ends of the vertical rod.

[0020] A construction method of an external convex joint of a building, and a formwork unit for construction of an external convex joint of a building described above, specifically comprising the following steps:

[0021] Step S1: installing forms outside the main body structure according to construction drawings;

[0022] Step S2: connecting and fixing two groups of forms adjacent in the same vertical direction by the support member;

[0023] Step S3: pouring concrete in the concrete pouring groove;

[0024] Step S4: removing the support member, removing the forms, and curing the concrete at the external convex joint.

[0025] In some possible implementation manners,

[0026] The step S1 specifically comprises the following steps:

[0027] Step S11: forming a whole by connecting the U-shaped frame by the connecting member, and installing the bottom side plate in the framework;

[0028] Step S12: installing the frame body formed in step S11;

[0029] Inserting the U-shaped groove into the main body structure, wherein the bottom rod is located at the bottom of the main body structure, and the top surface of the bottom side plate is coplanar with the bottom of the main body structure, and the top rod is located above the main body structure;

[0030] Adjust the distance between the vertical rod and the outer side of the main body structure;

[0031] The fixed frame body; the wedge-shaped block one is inserted into the gap formed by each group of top rods and the main body structure, and the wedge-shaped block two is inserted into the slot formed by the end part and the inner side of the main body structure;

[0032] The outer side plate, the end side plate are installed and cooperated with the outer side of the bottom side plate and the main body structure to form the concrete pouring groove with the opening in the upper part.

[0033] Compared with the prior art, the beneficial effects of the present application are:

[0034] Compared with the prior art, the present application avoids the construction of the outer convex node by setting up the cantilever platform, greatly improves the construction efficiency, does not need to set up the cantilever platform, reduces the use of turnover materials, and thus reduces the construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of example 1 in the present application;

[0036] Figure 2 It is a top view of Figure 1 ;

[0037] Figure 3 It is a structural schematic diagram of example 2 in the present application;

[0038] Figure 4 It is a side view of example 2 in the present application;

[0039] Wherein: 10, a formwork; 20, a supporting piece; 1, a U-shaped frame; 11, a bottom rod; 111, an end part; 12, a vertical rod; 13, a top rod; 2, a plate piece; 21, an end side plate; 22, an outer side plate; 23, a bottom side plate; 3, a fixing piece; 31, a wedge-shaped block one; 32, a wedge-shaped block two; 4, a positioning support frame; 100, a main body structure; 200, a concrete pouring groove. DETAILED DESCRIPTION

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. The "first", "second" and similar words mentioned in the present application do not represent any order, quantity or importance, but only distinguish different components. Similarly, "one" or "a" and the like do not represent a quantity limit, but represent the existence of at least one. In the implementation of the present application, the association relationship of the associated objects is described as "and / or", which means that there can be three relationships, for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" is two or more. For example, multiple positioning columns refer to two or more positioning columns. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] The present application will be described in detail below.

[0042] Embodiment 1

[0043] As Figures 1-2 shown:

[0044] A formwork 10 for construction of an out-joint of a building, comprising a framework with a U-shaped groove and inserted outside a main structure 100, a plate 2 mounted in the framework and forming a concrete pouring groove 200 between the outer side of the main structure 100, and a fixing member 3 for fixing the framework and the main structure 100; the top of the concrete pouring groove 200 has an opening.

[0045] By installing the framework after the climbing frame is lifted at the position outside the main structure 100 where the out-joint needs to be constructed, adjusting the positional relationship between the framework and the outer side of the main structure 100, and the plate 2 for forming the out-joint outside the framework, so that the plate 2 and the outer side of the main structure 100 form a concrete pouring groove 200 with an opening at the top; the framework and the main structure 100 are fixed by the fixing member 3; finally, concrete pouring is carried out in the concrete pouring groove 200, thereby forming an out-joint meeting the design requirements outside the main structure 100;

[0046] The use of the formwork 10 avoids the construction of the out-joint by setting up a cantilever platform, greatly improves the construction efficiency, does not need to set up a cantilever platform, reduces the use of turnover materials, and thus reduces the construction cost;

[0047] In some possible implementation manners, in order to effectively enable the skeleton to be installed on the main body structure 100 and enable the plate member 2 to be installed in the skeleton to form the concrete pouring groove 200 in cooperation with the outer side of the main body structure 100;

[0048] The skeleton comprises two groups of U-shaped frames 1 which are arranged in parallel and have the same structure; the opening of the U-shaped frame 1 is arranged on the side close to the main body structure 100.

[0049] Further, the skeleton further comprises a positioning support frame 4 arranged between the two groups of U-shaped frames 1; the U-shaped frame 1 and the positioning support frame 4 have the same structure, and when the horizontal dimension of the outer convex node is large, the positioning support frame 4 is arranged to further strengthen the support for the plate member 2, so as to avoid the phenomenon of mold expansion or collapse during concrete pouring.

[0050] In some possible implementation manners,

[0051] The U-shaped frame 1 comprises a bottom rod 11 arranged at the bottom of the main body structure 100, a vertical rod 12 connected to the end of the bottom rod 11 away from the main body structure 100, and a top rod 13 arranged above the main body structure 100 and connected to the end of the vertical rod 12 away from the bottom rod 11.

[0052] The bottom rod 11 and the top rod 13 are arranged in parallel on the upper and lower sides of the main body structure 100; the vertical rod 12 is arranged between the bottom rod 11 and the top rod 13, and connects and cooperates the two to form the U-shaped frame 1 with a U-shaped groove;

[0053] At least two groups of U-shaped frames 1 are arranged in parallel and connected by connecting members to form the skeleton as the positioning frame of the plate member 2; in use, the skeleton is pulled along the length direction of the top rod 13 or the bottom rod 11, so that the width direction dimension of the outer convex node is adjusted;

[0054] Further, the distance between the bottom rod 11 and the top rod 13 is greater than the thickness of the main body structure 100, so that in use, the skeleton can be applied to the construction of outer convex nodes with different thicknesses;

[0055] In some possible implementation manners,

[0056] The fixing member 3 comprises a wedge-shaped block one 31 arranged between the top rod 13 and the top surface of the main body structure 100.

[0057] The wedge-shaped block one 31 is inserted into the gap between the top rod 13 and the main body structure 100 after the position of the whole skeleton is determined, and fixes the skeleton in the vertical direction;

[0058] In some possible implementation manners, the outer convex structure is arranged more on the outer side of the boundary beam of the main body structure 100;

[0059] When the fixing member 3 is installed in the edge beam in cooperation with the framework, the fixing member 3 further comprises an end member 111 arranged at the end of the bottom rod 11 away from the vertical rod 12 and inside the main body structure 100, and a wedge block two 32 arranged between the end member 111 and the inner side of the main body structure 100; a slot is formed between the end member 111 and the inner side of the main body structure 100, and the wedge block two 32 is inserted into the slot.

[0060] The length of the bottom rod 11 is greater than the width of the edge beam, the end member 111 is arranged at the side of the bottom rod 11 close to the main body structure 100, and a slot is formed between the end member 111 and the inner side of the edge beam, and the wedge block two 32 is inserted into the slot after the positioning of the framework, so as to further fix the framework and the main body structure 100; the positioning of the framework on the main body structure 100 is realized by the wedge block one 31 and the wedge block two 32, so as to avoid the falling of the framework during the pouring process.

[0061] In some possible embodiments, in order to effectively form the concrete pouring groove 200 in cooperation with the main body structure 100 by the plate member 2,

[0062] The plate member 2 comprises an end side plate 21 arranged at the bottom of the U-shaped groove and installed in the framework, two groups of outer side plates 22 arranged between the end side plate and the main body structure 100 and installed in the framework, and a bottom side plate 23 installed in the framework and having a top surface coplanar with the bottom of the main body structure 100.

[0063] In use, the distance between the two groups of U-shaped frames 1, the number of positioning support frames 4, and the size of all side plates can be determined according to the size of the outer convex structure; the U-shaped frame 1 and the positioning support frame 4 are connected by the connecting member to form an integral whole; the bottom side plate 23 is installed on the bottom rod 11, and all the bottom rods 11 serve as the support member 20 of the bottom side plate 23; then the integral whole is inserted into the outside of the main body structure 100; after the positioning and fixing of the framework in place, the end side plate and the outer side plate 22 are installed.

[0064] Of course, all the plate members 2 can be assembled before the insertion of the framework, then the insertion is performed, and finally the adjustment is performed.

[0065] Further, the top rod 13 is a channel steel, the bottom rod 11 and the vertical rod 12 are angle steels, and the female angle of the angle steel is arranged at the side close to the concrete pouring groove 200; the arrangement of the angle steel effectively avoids the leakage of concrete at the connection between the end side plate 21 and the outer side plate 22 and at the connection between the outer side plate 22 and the bottom side plate 23.

[0066] Embodiment 2:

[0067] As shown in Figures 1-4 ,

[0068] The design of the outer convex node is more spaced in the same vertical direction of the main structure 100. In order to facilitate construction, the positions of all outer convex nodes in the same vertical direction are installed first, and then the upper and lower sides of the adjacent two groups of forms 10 are supported by the support 20 to further strengthen the firmness of the form 10.

[0069] A form unit for construction of an outer convex node of a building, comprising at least two groups of forms 10 arranged vertically and described above, and a support 20 arranged between the adjacent two groups of forms 10.

[0070] In some possible embodiments,

[0071] The support 20 comprises a plurality of support rods arranged vertically and in the same number as the U-shaped frame 1.

[0072] The support rod comprises a vertical rod arranged vertically, and two groups of top supports respectively connected to both ends of the vertical rod; wherein the vertical rod serves as a connecting piece, and the top supports at both ends of the vertical rod can be adjusted in height according to the distance between the adjacent two groups of forms 10, so that the top end of the support rod can effectively abut the bottom rod 11 of the form 10 above it, and the bottom end of the support rod can abut the top rod 13 of the form 10 below it; thereby achieving further strengthening of the support for each group of forms 10.

[0073] A construction method of an outer convex node of a building, specifically comprising the following steps:

[0074] According to the construction drawing, the outer convex node position of the main structure 100 is laid out, the outer convex node position reinforcement is constructed, and the form 10 is installed on the outer side of the main structure 100.

[0075] Further reinforcement at the outer convex node can be handled by reserving or planting the main structure 100. In order to reduce the construction safety risk, the reserved method can be used.

[0076] The form 10 is installed on the outer side of the main structure 100, specifically comprising the following steps:

[0077] The U-shaped frame 1 forms a skeleton with a U-shaped groove through the connecting piece, and the bottom side plate 23 is installed in the skeleton;

[0078] The frame body formed above is installed; specifically:

[0079] The U-shaped groove is inserted into the main structure 100, wherein the bottom rod 11 is located at the bottom of the main structure 100 and the top surface of the bottom side plate is coplanar with the bottom of the main structure 100, and the top rod 13 is located above the main structure 100.

[0080] Adjust the distance between the vertical rod 12 and the outer side of the main structure 100, so that the width of the concrete after the later pouring is completed meets the design requirements, and it is noted that the thickness of the end side plate should be considered when adjusting the distance, that is, the distance between the inner side of the end side plate and the outer side of the main structure 100 is equal to the width of the outer convex structure.

[0081] The fixed frame body is inserted into the gap between each group of top rods 13 and the main structure 100 by using wedge block one 31, and wedge block two 32 is inserted into the slot formed between the inner side of the end part 111 and the main structure 100;

[0082] The outer side plate 22 and the end side plate 21 are installed and cooperated with the outer side of the bottom side plate 23 and the main structure 100 to form a concrete pouring groove 200 with an opening at the upper part;

[0083] The two groups of forms 10 in the same vertical direction and adjacent to each other are connected and fixed by the support 20;

[0084] It is noted that when the positioning support frame 4 is provided, the two ends of the support rod will also abut and cooperate with the two adjacent positioning support frames 4 in the same vertical direction;

[0085] The concrete pouring is carried out in the concrete pouring groove 200;

[0086] It is noted that when the concrete is poured, the concrete is poured by workers using a shovel, and a layered pouring method is adopted, and the thickness of each layer is 50 cm, and a 50 rod is used as a vibrating rod, and the fast insertion and slow pulling method is adopted during tamping, and the concrete poured in layers should be tamped by inserting 10 cm into the last poured concrete surface;

[0087] Further, before pouring the concrete, a layer of release agent is sprayed on the inner side of the plate 2 to facilitate the later form removal.

[0088] The support 20 is removed, the form 10 is removed, and the concrete at the outer convex node is maintained.

[0089] The present application is not limited to the foregoing specific embodiments. The present application extends to any new feature or any new combination disclosed in the specification, and any new method or process steps or any new combination disclosed.

Claims

1. A template for construction of external convex nodes of a building, characterized in that: The slats are constructed so that when the slats are in the upright position the support frames are tightened, and when the slats are in the upright position the support frames are tightened, and when the slats are in the upright position the support frames are tightened.

2. A template for construction of a building outer convex node according to claim 1, characterized in that: The panel includes an end side panel arranged at the bottom of the U-shaped groove and installed in the frame, two groups of outer panels arranged between the end side panels and the main structure and installed on the frame, and a bottom side panel installed in the frame and whose top surface is coplanar with the bottom of the main structure.

3. A template unit for construction of a building's external protruding node, characterized in that: The invention comprises at least two groups of templates arranged vertically and according to any one of claims 1 to 2, and support members arranged between two adjacent groups of templates.

4. A template unit for construction of a building outer convex node according to claim 3, characterized in that: The support member includes multiple groups of support rods which are the same in number as the U-shaped frames and are arranged vertically. The support rods include vertical poles and two groups of top supports respectively connected to both ends of the vertical poles.

5. A method for constructing a protruding node of a building, based on the template unit for constructing a protruding node of a building according to any one of claims 3 to 4, characterized in that: The specific steps include: Step S1: Install the formwork outside the main structure according to the construction drawing; Step S2: connecting and fixing two adjacent sets of formwork in the same vertical direction through support members; Step S3: pouring concrete in the concrete pouring trough; Step S4: removing the support members, removing the formwork, and curing the concrete at the protruding nodes.

6. A method for constructing a building external convex node according to claim 5, characterized in that: The step S1 specifically comprises the following steps: Step S11: The U-shaped frame is formed into a whole through connectors, and the bottom and side panels are installed in the frame; Step S12: Installing the frame formed in step S11; Insert the U-shaped groove on the main structure, wherein the bottom rod is located at the bottom of the main structure, the top surface of the bottom side mold is coplanar with the bottom of the main structure, and the top rod is located above the main structure; Adjust the distance between the vertical poles and the outside of the main structure; Fix the frame; insert wedge-shaped block 1 into the gap formed by each set of top rods and the main structure of the frame, and remove wedge-shaped block 2 into the slot formed by the end member and the inner side of the main structure; The outer side panels and the end side panels are installed and cooperate with the bottom side panels and the outer side of the main structure to form a concrete pouring trough with an opening on the upper part.

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