A support connection structure and construction method of assembled formwork wall and prefabricated beam

Abstract

The present invention discloses a supporting connection structure and construction method of an assembled formwork wall and a prefabricated beam, comprising a rear support assembly, which is arranged at the rear side of the assembled formwork wall and is used for supporting the ground; an adjustable vertical support assembly, which is arranged at the upper end of the assembled formwork wall, the upper end of the adjustable vertical support assembly is connected to the prefabricated beam, and the top and middle of the adjustable vertical support assembly are respectively provided with an upper horizontal steel pipe and a horizontal connecting rod, which are both connected to a common steel pipe bracket for supporting the bottom of the prefabricated beam. The present invention can solve the problem that the existing assembled formwork wall and the prefabricated beam on it have no reliable and effective supporting structure and are unsafe.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a supporting connection structure of an assembled formwork wall and a prefabricated beam and a construction method. Background Art

[0002] In the construction of the main structure of a building, the outer protective wall corresponding to the precast beam on the building generally adopts precast formwork wall. At present, there is no support between the precast formwork wall and the precast beam above it, or it is simply supported by steel pipes or square wood, and ordinary steel pipe brackets cannot be set at this position. Therefore, when the formwork support frame of the precast beam is erected, the bottom of the precast beam cannot be effectively and reliably supported, which is very unsafe. Therefore, a new support structure is needed to solve this problem. Summary of the invention

[0003] The present invention provides a supporting connection structure and a construction method for an assembled formwork wall and a prefabricated beam, which can solve the problem that the existing assembled formwork wall is unsafe due to lack of a reliable and effective supporting structure between the prefabricated beams thereon.

[0004] To achieve the above-mentioned purpose, in the first aspect, the present invention provides the following technical solutions: a supporting and connecting structure of an assembled formwork wall and a prefabricated beam, comprising a rear support assembly, which is arranged on the rear side of the assembled formwork wall and is used to support the ground; an adjustable vertical support assembly, which is arranged at the upper end of the assembled formwork wall, and the upper end of the adjustable vertical support assembly is connected to the prefabricated beam, and the top and middle of the adjustable vertical support assembly are respectively provided with an upper horizontal steel pipe and a horizontal connecting rod, and the upper horizontal steel pipe and the horizontal connecting rod are both connected to the ordinary steel pipe bracket for supporting the bottom of the prefabricated beam. By arranging the rear support assembly and the adjustable vertical support assembly, the installation stability of the assembled formwork wall can be ensured while fully supporting the position between the assembled formwork wall and the prefabricated beam above it, and at the same time, the adjustable vertical support assembly is connected to the original ordinary steel pipe bracket at the bottom of the prefabricated beam through the upper horizontal steel pipe and the horizontal connecting rod, thereby realizing that the assembled formwork wall and the prefabricated beam above it are connected as one, which is firm, reliable and safe.

[0005] Preferably, the rear support assembly includes a plurality of anchor bolts installed on the rear side of the assembled formwork wall and a diagonal tie rod whose upper end is connected to the anchor bolts, and the lower end of the diagonal tie rod is connected to the ground anchor point, so that the supporting strength of the assembled formwork wall can be ensured by the diagonal tie rod.

[0006] Preferably, the diagonal tie rod is a telescopic rod structure with adjustable length, which can adjust the verticality of the assembled formwork wall.

[0007] Preferably, a concrete cushion layer is provided on the top of the assembled formwork wall, and the adjustable vertical support assembly is installed on the upper side of the concrete cushion layer. The concrete cushion layer can improve the installation strength between the adjustable vertical support assembly and the assembled formwork wall.

[0008] Preferably, the adjustable vertical support assembly includes a support base, a support upright and an adjustable top support which are sequentially connected from bottom to top, the upper end of the support base is inserted into the support upright, and the lower end of the adjustable top support is inserted into the upper end of the support upright. The overall length of the adjustable vertical support assembly can be adjusted through the adjustable top support so that the height of the prefabricated beam meets the elevation requirements.

[0009] In a second aspect, a construction method of the supporting connection structure of the assembled formwork wall and the prefabricated beam according to the first aspect comprises the following steps:

[0010] S1: Hoist the assembled formwork wall and fix it initially;

[0011] S2: Install the formwork wall anchor bolts in a pre-buried or post-installed manner, with no less than 4 bolts for each assembled formwork wall;

[0012] S3: Install the ground anchor point, install the fixed diagonal tie rod, connect the lower end of the fixed diagonal tie rod to the ground anchor point, and connect the upper end to the anchor bolt, adjust the length of the fixed tie rod, so that the assembled formwork wall is accurately positioned and kept vertical;

[0013] S4: Pour a concrete cushion layer of not less than 10 cm thick on the top of the assembled formwork wall;

[0014] S5: After the concrete cushion reaches the required strength, the support base is evenly installed at a certain distance;

[0015] S6: Insert the support pole into the upper end of the support base, adjust the length of the support base so that the top height of the support pole is basically flush, install the adjustable top support, insert the bottom of the adjustable top support into the support pole, and accurately adjust the adjustable top support so that its top elevation meets the design requirements;

[0016] S7: Install the common steel pipe bracket at the bottom of the prefabricated beam on the side of the assembled formwork wall;

[0017] S8: Install horizontal connecting rods to connect the top support of the assembled formwork wall with the ordinary steel pipe support of the prefabricated beam as a whole;

[0018] S9: Install the upper horizontal steel pipe of the ordinary steel pipe bracket at the top support of the assembled formwork wall and the bottom of the prefabricated beam;

[0019] S10: Hoisting precast beams.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The structure is simple. By setting the rear support assembly and the adjustable vertical support assembly, the installation of the assembled formwork wall can be ensured to be stable while fully supporting the position between the assembled formwork wall and the prefabricated beam thereon. At the same time, the adjustable vertical support assembly is connected to the original ordinary steel pipe bracket at the bottom of the prefabricated beam through the upper horizontal steel pipe and the horizontal connecting rod, thereby realizing the integrated connection of the assembled formwork wall and the prefabricated beam thereon, which is firm, reliable and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall structure diagram of the present invention;

[0023] Figure 2 It is a structural diagram of the adjustable vertical support assembly of the present invention.

[0024] Reference numerals:

[0025] 1. Assembled formwork wall, 11. Prefabricated beam, 12. Upper horizontal steel pipe, 2. Anchor bolts, 3. Ground anchor points, 4. Diagonal tie rods, 5. Concrete cushion, 6. Support base, 7. Support poles, 8. Adjustable top support, 9. Ordinary steel pipe bracket, 10. Horizontal connecting rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] like Figure 1-2 As shown, in order to solve the problem that there is no reliable and effective supporting structure between the existing assembled formwork wall and the prefabricated beams thereon, the present invention provides an embodiment: a supporting connection structure of an assembled formwork wall and a prefabricated beam, comprising a rear support assembly, arranged at the rear side of the assembled formwork wall 1, for supporting the ground; an adjustable vertical support assembly, arranged at the upper end of the assembled formwork wall 1, the upper end of the adjustable vertical support assembly is connected to the prefabricated beam 11, and the top and middle of the adjustable vertical support assembly are respectively provided with an upper horizontal steel pipe 12 and a horizontal connecting The connecting rod 10, the upper horizontal steel pipe 12 and the horizontal connecting rod 10 are all connected to the ordinary steel pipe bracket 9 used for supporting the bottom of the prefabricated beam 11. By setting the rear support assembly and the adjustable vertical support assembly, the installation stability of the assembled formwork wall can be ensured while fully supporting the position between the assembled formwork wall and the prefabricated beam above it. At the same time, the adjustable vertical support assembly is connected to the original ordinary steel pipe bracket 9 at the bottom of the prefabricated beam 11 through the upper horizontal steel pipe 12 and the horizontal connecting rod 10, thereby realizing the assembled formwork wall and the prefabricated beam above it are connected as one, which is firm, reliable and safe.

[0028] Specifically, the rear support assembly includes a plurality of anchor bolts 2 installed on the rear side of the assembled formwork wall 1 and a diagonal tie rod 4 whose upper end is connected to the anchor bolts 2, and the lower end of the diagonal tie rod 4 is connected to the ground anchor point 3. The supporting strength of the assembled formwork wall 1 can be ensured by the diagonal tie rod 4, and the anchor bolts 2 can be installed on the rear side of the assembled formwork wall 1 by pre-embedding or post-installation. At the same time, the diagonal tie rod 4 is a telescopic rod structure with adjustable length, which can adjust the verticality of the assembled formwork wall 1 so that the assembled formwork wall 1 can be accurately positioned and kept vertical.

[0029] In addition, a concrete cushion layer 5 is provided on the top of the assembled formwork wall 1, and the adjustable vertical support assembly is installed on the upper side of the concrete cushion layer 5. The concrete cushion layer 5 can improve the installation strength between the adjustable vertical support assembly and the assembled formwork wall 1, and the thickness of the concrete cushion layer 5 is not less than 10 cm.

[0030] In this embodiment, if Figure 2 As shown, the adjustable vertical support assembly includes a support base 6, a support upright 7 and an adjustable top support 8 connected in sequence from bottom to top, the upper end of the support base 6 is inserted into the support upright 7, and the lower end of the adjustable top support 8 is inserted into the upper end of the support upright 7. The overall length of the adjustable vertical support assembly can be adjusted by the adjustable top support 8, so that the height of the prefabricated beam meets the elevation requirements. The bottom of the support base 6 is a steel plate with a length of 245mm, a width of 200mm, and a thickness of 3mm, which is turned down by 50mm to form an inverted U-shaped groove. The upper end of the support base 6 is a φ48.3 galvanized steel pipe, a thread is set on the outer side of the steel pipe, and an adjustment structure is installed. The adjustment structure here can be a nut, and the height of the support upright 7 is adjusted by lifting and lowering the nut. The support upright 7 and the adjustable top support 8 can also adopt this adjustment structure.

[0031] The specific implementation method of this embodiment is as follows:

[0032] Step 1: hoist the assembled formwork wall 1 and fix it preliminarily;

[0033] Step 2: Install the formwork wall anchor bolts 2 in a pre-buried or post-installed manner, with no less than 4 bolts for each assembled formwork wall;

[0034] Step 3: Install ground anchor points 3:

[0035] Step 4: Install the fixed diagonal tie rod 4, the lower end of the fixed diagonal tie rod 4 is connected to the ground anchor point 3, and the upper end is connected to the mold wall anchor bolt 2, and the fixed diagonal tie rod 4 is a rod-shaped structure with adjustable length;

[0036] Step 5: Adjust the length of the fixed inclined rod 4 to ensure that the assembled formwork wall 1 is accurately positioned and kept vertical;

[0037] Step 6: pouring a concrete cushion layer 5 with a thickness of not less than 10 cm on the top of the assembled formwork wall 1;

[0038] Step 7: After the concrete cushion layer 5 reaches the required strength, the assembled formwork wall top support base 6 is evenly installed at a certain interval;

[0039] Step 8: Insert the support pole 7 into the upper end of the support base 6, and adjust the length of the support base 6 so that the top of the support pole 7 is basically flush;

[0040] Step 9: Install the adjustable top support 8, and insert the bottom of the adjustable top support 8 into the supporting pole 7;

[0041] Step 10: Accurately adjust the adjustable top support 8 so that its top elevation meets the design requirements;

[0042] Step 11: Install the common steel pipe support 9 at the bottom of the prefabricated beam on the side of the assembled formwork wall 1;

[0043] Step 12: Install the horizontal connecting rod 10 to connect the top support of the assembled formwork wall 1 and the prefabricated beam 11 and the ordinary steel pipe bracket 9 into a whole;

[0044] Step 13: Install the upper horizontal steel pipe 12 of the common steel pipe bracket 9 at the top support of the assembled formwork wall 1 and the bottom of the prefabricated beam 11;

[0045] Step 14: Hoisting precast beam 11.

[0046] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0047] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0048] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A construction method for a support connection structure of an assembled formwork wall and a prefabricated beam, characterized in that: include: A rear support assembly, arranged at the rear side of the assembled formwork wall (1) and used for supporting the ground; An adjustable vertical support assembly is arranged at the upper end of the assembled formwork wall (1), the upper end of the adjustable vertical support assembly is connected to the prefabricated beam (11), and the top and middle parts of the adjustable vertical support assembly are respectively provided with an upper horizontal steel pipe (12) and a horizontal connecting rod (10), and the upper horizontal steel pipe (12) and the horizontal connecting rod (10) are both connected to the common steel pipe bracket (9) for supporting the bottom of the prefabricated beam (11); the adjustable vertical support assembly comprises a support base (6), a support vertical rod (7) and an adjustable top support (8) connected in sequence from bottom to top, the upper end of the support base (6) is inserted into the support vertical rod (7), and the lower end of the adjustable top support (8) is inserted into the upper end of the support vertical rod (7); the rear support assembly comprises a plurality of anchor bolts (2) installed on the rear side of the assembled formwork wall (1) and a diagonal tie rod (4) whose upper end is connected to the anchor bolts (2); The specific construction method includes the following steps: S1: hoisting the assembled formwork wall (1) and preliminarily fixing it; S2: Install the formwork wall anchor bolts (2) in a pre-buried or post-installed manner, with no less than 4 bolts for each assembled formwork wall; S3: Install the ground anchor point (3), install the diagonal tie rod (4), connect the lower end of the diagonal tie rod (4) to the ground anchor point (3), and connect the upper end to the anchor bolt (2), and adjust the length of the diagonal tie rod (4) so ​​that the assembled formwork wall (1) is accurately positioned and kept vertical; S4: pouring a concrete cushion layer (5) of not less than 10 cm thick on the top of the assembled formwork wall (1); S5: After the concrete cushion layer (5) reaches the required strength, the support base (6) is evenly installed at a certain interval; S6: insert the support pole (7) into the upper end of the support base (6), adjust the length of the support base (6) so that the top of the support pole (7) is substantially flush, install the adjustable top support (8), insert the bottom of the adjustable top support (8) into the support pole (7), and accurately adjust the adjustable top support (8) so that its top elevation meets the design requirements; S7: Installing a common steel pipe support (9) at the bottom of the prefabricated beam (11) on the side of the assembled formwork wall (1); S8: Install a horizontal connecting rod (10) to connect the top support of the assembled formwork wall (1) and the common steel pipe support (9) of the prefabricated beam (11) into a whole; S9: Install the upper horizontal steel pipe (12) of the common steel pipe bracket (9) at the top support of the assembled formwork wall (1) and the bottom of the prefabricated beam (11); S10: hoisting the precast beam (11).

2. The construction method of the supporting connection structure of the assembled formwork wall and prefabricated beam according to claim 1 is characterized in that: The lower end of the inclined tie rod (4) is connected to the ground anchor point (3).

3. The construction method of the supporting connection structure of the assembled formwork wall and prefabricated beam according to claim 2 is characterized in that: The inclined rod (4) is a telescopic rod structure with adjustable length.

4. The construction method of the supporting connection structure of the assembled formwork wall and prefabricated beam according to claim 1 is characterized in that: A concrete cushion layer (5) is arranged on the top of the assembled formwork wall (1), and the adjustable vertical support assembly is installed on the upper side of the concrete cushion layer (5).

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