Easily-in-place anti-cracking fragmented bent cap and construction method thereof

Abstract

The invention discloses an easily-in-place and anti-cracking fragmented bent cap and a construction method thereof. The easily-in-place and anti-cracking fragmented bent cap comprises two fragmented bent cap bodies, and a plurality of through mounting holes are reserved in the positions, close to the outer edges, of the two fragmented bent cap bodies; the plurality of connecting pieces are used for connecting the two split cover beam bodies and are arranged in one-to-one correspondence with the plurality of mounting holes, and the plurality of connecting pieces are respectively arranged in the corresponding mounting holes in a penetrating manner and are used for being matched with the fixing nuts to fixedly connect the two split cover beam bodies; according to the split bent cap, connection between the split bent cap bodies is enhanced through the connecting pieces, fixing is conducted through the fixing nuts, the split connecting portions in the later period serve as weak portions, and the split bent cap bodies are difficult to crack under fixing of the finish rolling deformed steel bars; potential quality hazards caused by operation in a narrow space between the fragmented bent caps to bent cap connection are avoided, the problem that due to the fact that too many anchoring steel bars are reserved, hoisting is difficult to be in place is also avoided, and high popularization value is achieved.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, and in particular to an easy-to-position, crack-resistant segmented cap beam and its construction method. Background Technology

[0002] During the construction of segmented cap beams, it is often necessary to install intersecting anchoring steel bars between the cap beams to form a post-cast strip in the middle, thus casting the two cap beams into a whole. However, in actual construction, the excessive anchoring steel bars often affect the segmented hoisting of the cap beams. The second cap beam is often difficult to hoist into place due to the conflict of anchoring steel bars, leading to consideration of cutting off the excess anchoring steel bars. However, with the cutting of anchoring steel bars, the connection between the segmented cap beams is not tight enough, and cracking of the cap beams may occur later. Moreover, the segmented cap beams need to be connected with binding steel bars, but the space between the segmented cap beams is narrow, making it difficult to ensure that the steel bars meet the quality requirements, thus affecting the integrity of the segmented cap beams. Summary of the Invention

[0003] To overcome the shortcomings of existing technologies, this invention provides an easy-to-position, crack-resistant segmented cap beam and its construction method, which avoids the need to set anchoring steel bars before hoisting and solves the problems of segmented cap beams being difficult to hoist and position and prone to cracking.

[0004] To achieve the above objectives, the present invention provides an easy-to-position, crack-resistant segmented cap beam, comprising:

[0005] Two segmented cap beam bodies, with multiple through-holes pre-reserved near the outer edge of each segmented cap beam body;

[0006] Multiple connectors for connecting the two segmented cap beam bodies are provided, each corresponding to one of the multiple mounting holes. The multiple connectors are respectively inserted into the corresponding mounting holes and used to fix the two segmented cap beam bodies together with fixing nuts.

[0007] A sealing layer is cast between the two segmented cap beam bodies.

[0008] Preferably, multiple gaskets are provided at the top and bottom of the two segmented cap beam bodies, and the multiple gaskets are provided in a one-to-one correspondence with the multiple connectors, and the multiple connectors are respectively passed through the corresponding gaskets.

[0009] Preferably, the thickness of the gasket is equal to the width of the gap between the two segmented cap beam bodies.

[0010] Preferably, a baffle plate for sealing the sealing layer and preventing grout leakage is provided between the two segmented cap beam bodies.

[0011] A method for constructing easily positioned and crack-resistant segmented cap beams, comprising the following steps:

[0012] Multiple through-holes are pre-reserved on the two segmented cap beam bodies;

[0013] The two segmented cap beams were hoisted into place, and connectors were inserted into each installation hole after hoisting.

[0014] Fixing nuts are installed at both ends of each connector, and the two segmented cap beam bodies are fixedly connected by the cooperation of the fixing nuts;

[0015] A sealing layer is poured between the two segmented cap beam bodies to complete the construction of the segmented cap beam, which is easy to position and prevents cracking.

[0016] Preferably, before pouring the sealing layer between the two segmented cap beam bodies, a baffle plate is installed between the two segmented cap beam bodies to prevent grout leakage.

[0017] By adopting the above technical solution, the present invention has the following beneficial effects:

[0018] By using precision-rolled threaded steel as connectors to strengthen the connection between the segmented cap beams, and using hexagonal head fixing nuts for fixation, the segmented connection parts are considered weak points, but they are difficult to crack under the fixation of precision-rolled threaded steel. At the same time, it avoids the quality risks of working in the narrow space between the segmented cap beams, which may cause problems with the cap beam connection, and also avoids the problem of difficulty in hoisting and positioning due to excessive anchoring steel bars. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a transverse cross-sectional view of the easy-to-position, crack-resistant segmented cap beam in an embodiment of the present invention.

[0021] Figure 2 This is a longitudinal cross-sectional view of the segmented cap beam that is easy to position and prevents cracking in an embodiment of the present invention.

[0022] The correspondence between the numbers in the attached diagram is as follows:

[0023] 1-Pier column; 2-Segmented cap beam body; 3-Connector; 4-Fixing nut; 5-Anchor plate; 6-Gasket; 7-Sealing layer; 8-Grouting plate. Detailed Implementation

[0024] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding the present invention, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0025] Please see Figure 1 and Figure 2 As shown, this invention provides an easy-to-position, crack-resistant segmented cap beam, comprising two segmented cap beam bodies 2, multiple connectors 3 for connecting the two segmented cap beam bodies 2, and a sealing layer 7. Multiple through-holes are pre-drilled near the outer edges of the two segmented cap beam bodies 2. The multiple connectors 3 are correspondingly arranged with the multiple installation holes, and are respectively inserted into the corresponding installation holes to cooperate with fixing nuts 4 to fix the two segmented cap beam bodies 2 together. The sealing layer 7 is cast between the two segmented cap beam bodies 2. It should be noted that in this embodiment, the connectors 3 are made of precision-rolled threaded steel, the fixing nuts 4 are hexagonal head nuts, and the connectors are locked by setting anchor plates 5. The sealing layer 7 is cast using micro-expansion mortar.

[0026] Furthermore, multiple gaskets 6 are provided at the top and bottom of the two segmented cap beam bodies 2, and the multiple gaskets 6 are provided one-to-one with multiple connectors 3, with the multiple connectors 3 passing through the corresponding gaskets 6. Preferably, in this embodiment, the thickness of the gasket 6 is equal to the width of the gap between the two segmented cap beam bodies 2.

[0027] Furthermore, a baffle plate 8 is provided between the two segmented cap beam bodies 2 to seal the sealing layer 7 and prevent grout leakage. The baffle plate 8 is made of steel plate and can prevent grout from overflowing when the sealing layer 7 is poured.

[0028] This invention also provides a method for constructing easily positioned and crack-resistant segmented cap beams, which is used to achieve the construction of the aforementioned easily positioned and crack-resistant segmented cap beams. The construction method includes the following steps:

[0029] Multiple through-holes are pre-reserved on the two segmented cap beam bodies 2;

[0030] The two segmented cap beam bodies 2 are hoisted and, after being hoisted into place, connectors are inserted into each installation hole. It should be noted that, in this embodiment, the two segmented cap beam bodies 2 are hoisted to the top of the pier column 1.

[0031] Fixing nuts 4 are provided at both ends of each connector 3, and the two segmented cap beam bodies 2 are fixedly connected by the cooperation of the fixing nuts 4 and the anchor plate 5.

[0032] Micro-expansion mortar is poured between the two segmented cap beam bodies 2 to form a sealing layer 7, thereby completing the construction of the segmented cap beam that is easy to position and prevents cracking.

[0033] Furthermore, before pouring the sealing layer 7 between the two segmented cap beam bodies 2, a baffle plate 8 is set between the two segmented cap beam bodies 2 to block the sealing layer 7 and prevent grout leakage. By setting the baffle plate 8, grout overflow can be prevented when the sealing layer 7 is poured.

[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and these variations still fall within the protection scope of the present invention.

Claims

1. An easily-erected, anti-cracking split cap beam, characterized in that, The utility model relates to a split cap beam easy to position and prevent cracking, which comprises: two split cap beam bodies, a plurality of mounting holes being reserved on the two split cap beam bodies near outer edges and penetratingly arranged; a plurality of connecting pieces for connecting the two split cap beam bodies, the plurality of connecting pieces being correspondingly arranged with the plurality of mounting holes, the plurality of connecting pieces being respectively arranged in the corresponding mounting holes and used for fixing and connecting the two split cap beam bodies by cooperating with fixing nuts; a sealing layer being cast between the two split cap beam bodies.

2. The easily-erected, anti-cracking split cover beam according to claim 1, wherein, a plurality of spacers being arranged between the top and bottom of the two split cap beam bodies, the plurality of spacers being correspondingly arranged with the plurality of connecting pieces, and the plurality of connecting pieces being respectively arranged in the corresponding spacers.

3. The easily-erected, anti-cracking split cover beam according to claim 2, wherein, The thickness of the spacers is equal to the width of the gap between the two split cap beam bodies.

4. The easily-erected, anti-cracking split cover beam according to claim 1, wherein, A slurry blocking plate is arranged between the two split cap beam bodies for blocking the sealing layer to prevent slurry leakage.

5. A method for constructing a just-in-place, anti-cracking split cap beam, characterized in that, A construction method for realizing the split cap beam easy to position and prevent cracking according to claim 1 comprises the following steps: reserving a plurality of mounting holes penetratingly arranged on the two split cap beam bodies; hoisting the two split cap beam bodies, and inserting a connecting piece into each mounting hole after hoisting and positioning; arranging fixing nuts at both ends of each connecting piece, and fixing and connecting the two split cap beam bodies by cooperating with the fixing nuts; casting a sealing layer between the two split cap beam bodies, thereby completing the construction of the split cap beam easy to position and prevent cracking.

6. The easily-erected, anti-cracking segmental bent cap construction method of claim 5, wherein, Before casting the sealing layer between the two split cap beam bodies, a slurry blocking plate is arranged between the two split cap beam bodies for blocking the sealing layer to prevent slurry leakage.

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