CN220666686U - Prefabricated stay groove windowsill beam - Google Patents
Prefabricated stay groove windowsill beam Download PDFInfo
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- CN220666686U CN220666686U CN202322259379.5U CN202322259379U CN220666686U CN 220666686 U CN220666686 U CN 220666686U CN 202322259379 U CN202322259379 U CN 202322259379U CN 220666686 U CN220666686 U CN 220666686U
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- grouting
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- 238000005336 cracking Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 21
- 239000004567 concrete Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 238000009415 formwork Methods 0.000 abstract description 7
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a prefabricated groove sill beam, which comprises: the beam body is of a rectangular structure in cross section, anti-cracking steel bars are arranged in the beam body, grouting grooves are formed in the Liang Tixia ends, the grouting grooves are communicated with the two ends of the beam body, grouting holes are formed in one end of the beam body, and grouting holes are formed in the other end of the beam body; the grouting holes and the overflow holes are communicated with the grouting groove; compared with the traditional cast-in-situ concrete window sill beam, the utility model has the advantages that the structure is simple, the construction is convenient and quick, no construction gap exists, the formwork support and the concrete pouring are omitted, and the construction period is obviously shortened; compared with the completely prefabricated sill beam, the grouting process is added, and as the grouting groove is added, the penetration resistance is increased, like the grouting groove is additionally arranged in the sill beam, an anti-penetration line can be formed after grouting of the grouting groove, the anti-seepage effect is better, and the wall integrity is improved.
Description
Technical Field
The utility model relates to the technical field of windowsill beams, in particular to a prefabricated reserved-groove windowsill beam.
Background
The lower corner of the outer wall window hole in masonry engineering is easy to generate splayed seams or horizontal seams to cause wall leakage, the inner wall decoration is damaged, the service function of a building is affected, and the method is common in construction engineering. The common control method is to arrange a reinforced concrete windowsill beam at the windowsill position of the masonry, the control method can increase the integrity and stability of the wall body at the lower part of the windowsill, reduce or avoid wall body cracks caused by stress concentration, prevent external rainwater from entering the inner side of the wall body, and simultaneously fix flat iron on the windowsill when the window is installed, thereby increasing the stability of the window. The construction method of the reinforced concrete window sill beam is divided into cast-in-situ and prefabricated. The cast-in-place concrete windowsill beam needs to be cast and smashed on site, formwork erection, reinforcement binding, concrete casting, formwork removal and maintenance are needed, the upper wall body can be built after a certain strength is achieved, the continuity of construction is broken, the construction period is long, the total construction period can be influenced to a certain extent, the formwork is erected on site, the investment cost of the formwork is large, the manual investment is also large, the loss in the transportation casting and smashing process of the concrete is large, and the total cost is large. The traditional precast concrete windowsill beam is convenient to construct, the continuity of construction is guaranteed, the construction speed is accelerated, and the construction cost is reduced. However, because the expansion and contraction of the concrete are inconsistent with those of the mortar joint and the brick masonry, a horizontal joint is generally generated at the joint position of the brick masonry and the windowsill beam after one to two cold and hot cycles, and leakage is generated at the joint which is penetrated inside and outside as usual. When the sizes of the two sides of the window hole of the outer wall, which are away from the structural wall and the column, are smaller than 250mm, the anchoring length of the windowsill beam is insufficient, and the integrity of the wall cannot be guaranteed. In order to solve the above problems, a prefabricated stay sill beam is proposed.
Disclosure of Invention
The utility model aims to solve the problems and provides a prefabricated groove sill beam.
The specific scheme of the utility model is as follows: a prefabricated channel sill beam comprising: the beam body is of a rectangular structure in cross section, anti-cracking steel bars are arranged in the beam body, grouting grooves are formed in the Liang Tixia ends, the grouting grooves are communicated with the two ends of the beam body, grouting holes are formed in one end of the beam body, and grouting holes are formed in the other end of the beam body; the grouting holes and the overflow holes are communicated with the grouting groove.
Further, the grouting groove comprises: two parallel arrangement's transverse groove, transverse groove both ends all communicate the roof beam body both ends, transverse groove middle part is equipped with two longitudinal grooves, the longitudinal groove with transverse groove communicates each other, just grouting hole and one transverse groove's one end intercommunication, the other end intercommunication of thick liquid hole and another transverse groove.
Further, the grouting holes and the overflow holes are internally provided with PVC pipes, and the diameter of the inner holes of the PVC pipes is phi 20mm.
Further, the diameter of the anti-cracking reinforcing steel bar is phi 10 mm.
Further, the section of the grouting groove is of a trapezoid structure.
The utility model has the following beneficial effects: compared with the traditional cast-in-situ concrete window sill beam, the utility model has the advantages that the structure is simple, the construction is convenient and quick, no construction gap exists, the formwork support and the concrete pouring are omitted, and the construction period is obviously shortened; compared with the completely prefabricated sill beam, the grouting process is added, and as the grouting groove is added, the penetration resistance is increased, like the grouting groove is additionally arranged in the sill beam, an anti-penetration line can be formed after grouting of the grouting groove, the anti-seepage effect is better, and the wall integrity is improved.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
in the figure: 1. a beam body; 2. grouting grooves; 201. a transverse groove; 202. a longitudinal groove; 3. grouting holes; 4. and a pulp overflow hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1-2, a prefabricated channel sill beam, comprising: the beam body 1, the cross section of the beam body 1 is of a rectangular structure, anti-cracking steel bars are arranged in the beam body 1, a grouting groove 2 is formed in the lower end of the beam body 1, the grouting groove 2 is communicated with two ends of the beam body 1, a grouting hole 3 is formed in one end of the beam body 1, and a grouting hole 4 is formed in the other end of the beam body 1; the grouting holes 3 and the overflow holes 4 are communicated with the grouting groove 2.
In this embodiment, the grouting groove 2 includes: two parallel arrangement's horizontal groove 201, horizontal groove 201 both ends all communicate beam body 1 both ends, horizontal groove 201 middle part is equipped with two longitudinal groove 202, longitudinal groove 202 with horizontal groove 201 communicates each other, just grouting hole 3 communicates with the one end of a horizontal groove 201, the other end intercommunication of a horizontal groove 201 is followed to the thick liquid hole 4.
In this embodiment, the grouting holes 3 and the overflow holes 4 are provided with PVC pipes, and the inner hole diameter of the PVC pipe is phi 20mm.
In this embodiment, the diameter of the anti-cracking reinforcing steel bar is phi 10 mm.
In this embodiment, the section of the grouting groove 2 is a trapezoid structure.
The utility model has the following beneficial effects: the construction process is simple, the construction is convenient and quick, compared with the traditional cast-in-situ concrete window sill beam, the construction gap is not formed, the formwork support and concrete pouring are omitted, and the construction period is obviously shortened; compared with the completely prefabricated windowsill beam, the grouting process is added, and as the grouting groove 2 is added, the penetration resistance is increased, and the anti-seepage effect is better and the wall integrity is improved like an anti-seepage line is additionally arranged in the windowsill beam.
The specific implementation steps of the scheme are as follows:
1. manufacture of windowsill beam
According to the sill beam, the rest concrete can be prefabricated on site in advance during each concrete pouring by utilizing the structure construction, and the concrete sill beam size can be deeply designed according to actual requirements of projects.
2. Sill beam installation
1) The installation height of the windowsill beam is 15-20 mm higher than the design elevation bottom of the windowsill, and the installation elevation line of the windowsill beam should be popped up in advance.
2) According to different brick type mould building, the number of the brick skin under the sill beam is an integer or the number of the whole skin plus the module of matched bricks, and the height of the mortar joint can be properly adjusted without the number.
3) And (3) fully paving waterproof cement mortar at the position of the windowsill beam, wherein the thickness is 8-12 mm, and horizontally lifting the windowsill beam and lightly placing the windowsill beam on the mortar. When the anchor degree length is insufficient, 2 tertiary reinforcing bars with the diameter of 10mm are implanted at two sides or one side of the window hole, the depth of the implanted reinforcing bars is 120mm, and the exposed length is 420mm. And the reinforcing steel bars are pressed into the grooves when the windowsill beam is installed.
4) The lower side surface of the beam is lightly knocked by a leather hammer, the axis position of the beam is corrected, then the top mark high line of the windowsill beam is carried, and the top of the beam is lightly knocked to coincide with the carried line.
5) After the sill beam is installed in place, the upper wall is built again preferably in 3 hours. And after the weight is pressed, the beam is prevented from sinking, and the top elevation is influenced.
3. Post grouting construction
The construction process flow comprises the following steps: cleaning and plugging, stirring grouting material, grouting, plugging slurry outlet, and cleaning grouting machine
1) The gap between the prefabricated windowsill beam and the masonry or the shear wall is filled and compacted by using a gap-plugging material (the gap-plugging material requires early strength, good plasticity and dry and hard cement mortar for peripheral seat slurry sealing);
2) Mixing grouting material: grouting is carried out by using special grouting equipment and proportioning grouting materials according to a design and stipulation proportioning method. And pouring the proportioned cement slurry into special grouting equipment after uniformly stirring, so as to ensure the slump of the grouting slurry. The grouting material mixture should be used up within 0.5h after preparation.
3) Grouting: and (3) introducing the mixed slurry into a grouting pump, starting the grouting pump, and inserting the grouting nozzle into a grouting hole reserved in the prefabricated sill beam for grouting when the grouting pump nozzle flows out of the slurry to form a line shape.
4) Plugging slurry outlet: after a period of time, the grout overflows from the grout overflow hole 4, when the grout flows out linearly, the special rubber plug is immediately plugged into the grout overflow hole to block the hole opening, the spray pipe in the grout overflow hole is pulled out after the grouting hole is held for 30 seconds, and the grout inlet is quickly blocked by the special rubber plug.
The components and the grouting layer cannot be subjected to vibration and collision within 24 hours after grouting.
Claims (5)
1. A prefabricated channel sill beam comprising: the beam body is of a rectangular structure in cross section, and crack-resistant steel bars are arranged in the beam body, and is characterized in that a grouting groove is formed in the Liang Tixia end, the grouting groove is communicated with two ends of the beam body, a grouting hole is formed in one end of the beam body, and a grouting hole is formed in the other end of the beam body; the grouting holes and the overflow holes are communicated with the grouting groove.
2. A prefabricated channel sill beam according to claim 1, characterized by: the grouting groove comprises: two parallel arrangement's transverse groove, transverse groove both ends all communicate the roof beam body both ends, transverse groove middle part is equipped with two longitudinal grooves, the longitudinal groove with transverse groove communicates each other, just grouting hole and one transverse groove's one end intercommunication, the other end intercommunication of thick liquid hole and another transverse groove.
3. A prefabricated channel sill beam according to claim 2, characterized by: and PVC pipes are arranged in the grouting holes and the overflow holes, and the diameter of the inner hole of each PVC pipe is phi 20mm.
4. A prefabricated channel sill beam according to claim 1, characterized by: the diameter of the anti-cracking reinforcing steel bar is phi 10 mm.
5. A prefabricated channel sill beam according to claim 1, characterized by: the section of the grouting groove is of a trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259379.5U CN220666686U (en) | 2023-08-22 | 2023-08-22 | Prefabricated stay groove windowsill beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259379.5U CN220666686U (en) | 2023-08-22 | 2023-08-22 | Prefabricated stay groove windowsill beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220666686U true CN220666686U (en) | 2024-03-26 |
Family
ID=90338281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322259379.5U Active CN220666686U (en) | 2023-08-22 | 2023-08-22 | Prefabricated stay groove windowsill beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220666686U (en) |
-
2023
- 2023-08-22 CN CN202322259379.5U patent/CN220666686U/en active Active
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