CN213572819U - First floor terrace structure is pour after frame construction reserves reinforcing bar - Google Patents
First floor terrace structure is pour after frame construction reserves reinforcing bar Download PDFInfo
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- CN213572819U CN213572819U CN202021709754.1U CN202021709754U CN213572819U CN 213572819 U CN213572819 U CN 213572819U CN 202021709754 U CN202021709754 U CN 202021709754U CN 213572819 U CN213572819 U CN 213572819U
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- floor
- terrace
- floor terrace
- bar
- side support
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- 238000010276 construction Methods 0.000 title abstract description 32
- 230000003014 reinforcing effect Effects 0.000 title description 14
- 239000002689 soil Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000004873 anchoring Methods 0.000 claims abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a first floor terrace structure is pour after steel bar is reserved to frame construction, including limit support grade beam and first floor terrace, backfill soil layer and plain concrete bed course have been laid from bottom to top in proper order in the frame construction that limit support grade beam encloses, and the up end of plain concrete bed course flushes with the up end of limit support grade beam, and the up end of limit support grade beam and the up end of plain concrete bed course are laid to first floor terrace; a plurality of joint bars are anchored at intervals along the length direction at the upper end of the side support ground beam, one end of each joint bar is vertically anchored inside the upper end of the side support ground beam, and the other end of each joint bar is horizontally bent and anchored inside the side edge of the first floor terrace. The construction difficulty of the backfill soil is effectively reduced, the compactness of the backfill soil layer is ensured, an operation space is provided for compacting the backfill soil under the first-layer terrace of the later construction, and the cracking of the first-layer terrace caused by the severe uneven settlement of the backfill soil layer in the later period is avoided; the first floor terrace is connected with the side support beam through the dowel bar anchoring, and the structural strength of the structure of the first floor terrace is ensured.
Description
Technical Field
The utility model relates to a structure of first floor terrace is pour to back, concretely relates to frame construction pours first floor terrace structure behind reservation reinforcing bar.
Background
The traditional construction method of the first floor terrace is as follows: generally, the construction method is to quickly promote the construction of an upper main body structure, and often the earthwork backfilling work below a first-layer terrace is not carried out firstly, but the first-layer terrace is integrally cast and molded on the inner side surface of a support ground beam at the edge of a frame structure; and backfilling soil in the space below the first floor terrace in the later period. Because the first floor terrace has been under construction, the backfill soil below this terrace can only backfill from the side, and the construction degree of difficulty is great, and the compactibility of backfill soil is poor, can not reach the compaction coefficient of design and standard requirement, and along with the extension of live time the backfill soil easily takes place inhomogeneous settlement, and then leads to the first floor terrace to take place local settlement and fracture easily, has the potential safety hazard and influences the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects in the prior art, providing a frame structure for pouring the first floor structure after reserving the reinforcing steel bars, effectively reducing the construction difficulty of backfill soil by laying the first floor on the upper end surfaces of a backfill soil layer and a plain concrete cushion layer, simultaneously ensuring the compactibility of the backfill soil layer, simultaneously providing an operation space for compacting the backfill soil under the first floor terrace for later construction, and avoiding the cracking of the first floor caused by the uneven settlement of the severity of the backfill soil layer in the later period; the first floor terrace and the side support floor beam are connected through the dowel bar anchoring, so that the structural strength of the first floor terrace structure poured after the reinforcing steel bars are reserved in the frame structure is ensured; this first floor terrace structure is pour behind frame construction reservation reinforcing bar, and structural design is simple reasonable, and the efficiency of construction is high, and the practicality is strong.
In order to achieve the purpose, the technical scheme of the utility model is to design a frame structure, after reserving reinforcing steel bars, a first floor terrace structure is poured, which comprises a side support floor beam and a first floor terrace, a backfill soil layer and a plain concrete cushion layer are sequentially paved in the frame structure formed by the side support floor beam from bottom to top, the upper end surface of the plain concrete cushion layer is flush with the upper end surface of the side support floor beam, and the first floor terrace is paved on the upper end surface of the side support floor beam and the upper end surface of the plain concrete cushion layer; the utility model discloses a side support floor beam, including limit support floor beam, edge support floor beam, the vertical anchor in the upper end of limit support floor beam of dowel one end, the anchor is buckled inside the lateral margin of first floor terrace to the dowel other end level.
The utility model discloses a first floor terrace structure is pour behind framework construction reservation reinforcing bar, through laying the first floor terrace in the up end of backfill soil layer and plain concrete bed course, has effectively reduced the construction degree of difficulty of backfill soil, has guaranteed the compactibility of backfill soil layer simultaneously, can provide operating space for the compaction of backfill soil under the first floor terrace of later construction simultaneously, avoids the first floor terrace fracture that later stage backfill soil layer severity inhomogeneous settlement leads to; the first floor terrace and the side support floor beam are connected through the dowel bar anchoring, so that the structural strength of the first floor terrace structure poured after the reinforcing steel bars are reserved in the frame structure is ensured; this first floor terrace structure is pour behind frame construction reservation reinforcing bar, and structural design is simple reasonable, and the efficiency of construction is high, and the practicality is strong.
The preferable technical scheme is that one end of the dowel bar is vertically anchored on the inner outer side of the upper end of the side support ground beam, and the other end of the dowel bar is welded or lapped on a horizontal steel bar perpendicular to the side support ground beam in the first floor terrace. The horizontal sliding of the first floor relative to the side support ground beam under the action of external force such as earthquake is avoided, and the stability of the first floor terrace structure poured after the reinforcing steel bars are reserved in the frame structure is ensured.
Further preferably, the anchoring lengths of the ends of the dowel bars in the side support ground beam and the first floor terrace are both more than or equal to 15d, and d is the diameter of the dowel bar. The anchoring stability of the end parts of the dowel bars in the side support ground beam and the first floor terrace is ensured.
Further preferred technical scheme still, the distance length of dowel bar anchor in first floor terrace is different. The stress points of the upper end parts of the joint bars in the first floor are effectively dispersed, and the tensile strength and effectiveness of the joint bars are further ensured.
Further preferred technical scheme still, the dowel bar corresponds to the horizontal reinforcing bar of perpendicular to limit support ground beam in the first floor terrace one-to-one. The upper end of the dowel bar can be fixedly connected with the horizontal steel bar of the first floor terrace, perpendicular to the side support ground beam, and the stability and the overall structure strength of the first floor terrace and the side support ground beam are further ensured.
Further preferably, the specification of the dowel is phi 8.
Further, the preferable technical scheme is that the thickness range of the plain concrete cushion layer is 80-100 mm.
The utility model has the advantages and the beneficial effects that:
1. the utility model discloses a first floor terrace structure is pour behind framework construction reservation reinforcing bar, through laying the first floor terrace in the up end of backfill soil layer and plain concrete bed course, has effectively reduced the construction degree of difficulty of backfill soil, has guaranteed the compactibility of backfill soil layer simultaneously, can provide operating space for the compaction of backfill soil under the first floor terrace of later construction simultaneously, avoids the first floor terrace fracture that later stage backfill soil layer severity inhomogeneous settlement leads to; the first floor terrace and the side support floor beam are connected through the dowel bar anchoring, so that the structural strength of the first floor terrace structure poured after the reinforcing steel bars are reserved in the frame structure is ensured; this first floor terrace structure is pour behind frame construction reservation reinforcing bar, and structural design is simple reasonable, and the efficiency of construction is high, and the practicality is strong.
2. The vertical anchor of dowel bar one end is in the inside outside of limit support grade beam upper end, the dowel bar other end welding or overlap joint in on the horizontal reinforcement of perpendicular to limit support grade beam in the first floor terrace. The horizontal sliding of the first floor relative to the side support ground beam under the action of external force such as earthquake is avoided, and the stability of the first floor terrace structure poured after the reinforcing steel bars are reserved in the frame structure is ensured.
3. The anchoring lengths of the end parts of the joint bars in the side support ground beam and the first floor terrace are all equal to or more than 15d, and d is the diameter of the joint bar. The anchoring stability of the end parts of the dowel bars in the side support ground beam and the first floor terrace is ensured.
4. The distance that the dowel bar was anchored in first floor terrace is different in size. The stress points of the upper end parts of the joint bars in the first floor are effectively dispersed, and the tensile strength and effectiveness of the joint bars are further ensured.
5. The dowel bars correspond to horizontal steel bars perpendicular to the side support ground beams in the first floor one by one. The upper end of the dowel bar can be fixedly connected with the horizontal steel bar of the first floor terrace, perpendicular to the side support ground beam, and the stability and the overall structure strength of the first floor terrace and the side support ground beam are further ensured.
Drawings
FIG. 1 is one of the construction drawings of the first floor terrace poured after the reinforcing steel bars are reserved in the frame structure of the utility model;
fig. 2 is an outside structural view of the edge support floor beam.
FIG. 3 is a second construction drawing of the first floor structure poured after the reinforcing steel bars are reserved in the frame structure of the utility model;
FIG. 4 is a third construction drawing of the first floor structure poured after the reinforcing steel bars are reserved in the frame structure of the utility model;
fig. 5 is the utility model discloses pour first floor terrace structure finished product cross-sectional view behind the frame construction reservation reinforcing bar.
In the figure: 1. a side support ground beam; 2. inserting ribs; 3. backfilling the soil layer; 4. a plain concrete cushion; 5. a first floor terrace; 6. and (7) horizontal reinforcing steel bars.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Examples
As shown in fig. 1 to 5, the utility model relates to a frame structure pours first floor terrace structure after reserving reinforcing bar, including side support grade beam 1 and first floor terrace 5, backfill soil layer 3 and plain concrete cushion layer 4 are laid in the frame structure enclosed by side support grade beam 1 from bottom to top in sequence, and the up end of plain concrete cushion layer 4 is flush with the up end of side support grade beam 1, first floor terrace 5 is laid on the up end of side support grade beam 1 and the up end of plain concrete cushion layer 4; a plurality of joint bars 2 are anchored at intervals along the length direction at the upper end of the side support ground beam 1, the vertical anchoring of one end of the joint bar 2 is arranged inside the upper end of the side support ground beam 1, and the other end of the joint bar 2 is horizontally bent and anchored inside the side edge of the first floor terrace 5.
Preferably, 2 vertical anchors in the inside outside of limit support grade beam 1 upper end of one end of dowel bar, 2 other ends of dowel bar weld or overlap joint in perpendicular to on the horizontal reinforcement 6 of limit support grade beam 1 in the first floor terrace 5.
Preferably, the anchoring lengths of the end parts of the steel bars 2 in the side support ground beam 1 and the first floor terrace 5 are more than or equal to 15d, and d is the diameter of the steel bar 2.
Further preferably still, the distance length that dowel bar 2 was anchored in first floor terrace 5 is not the same.
Further preferably, the dowel bars 2 correspond to horizontal steel bars 6 perpendicular to the side support ground beams 1 in the first floor terrace 5 one by one.
Further preferably, the specification of the dowel 2 is Φ 8.
Further preferably, the thickness of the plain concrete cushion layer 4 is 80-100 mm.
The utility model discloses pour the construction principle of first floor terrace structure behind the frame construction reservation reinforcing bar:
step 1: erecting a mould of the side support ground beam 1, laying corresponding reinforcing bars, welding or lapping the lower end parts of a plurality of inserting bars 2 on the reinforcing bars of the side support ground beam 1 at intervals along the length direction of the side support ground beam 1, pouring concrete, and curing to form the side support ground beam 1 (see attached figures 1 and 2);
step 2: laying backfill in layers in a frame surrounded by the side support ground beams 1 and compacting to form a backfill soil layer 3; then pouring plain concrete with a certain thickness on the upper end face of the backfill soil layer 3, enabling the upper end face of the plain concrete to be flush with the upper end face of the side support foundation beam 1, and forming a plain concrete cushion layer 4 after curing (see attached figure 3);
and step 3: setting up a mould of a first floor terrace 5 on the upper end surface of the plain concrete cushion layer 4, and laying corresponding steel bars, wherein the horizontal steel bars 6 vertical to the side support foundation beam 1 correspond to the joint bars 2 one by one; horizontally bending and welding or lapping the upper ends of the dowel bars 2 on the corresponding upper-layer horizontal steel bars 6 which are vertical to the side support ground beam 1; and pouring concrete, and curing to form a first floor 5 (see attached figures 4 and 5).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A first floor terrace structure for pouring after a reinforcing steel bar is reserved in a frame structure is characterized by comprising an edge support ground beam (1) and a first floor terrace (5), wherein a backfill soil layer (3) and a plain concrete cushion layer (4) are sequentially paved in the frame structure surrounded by the edge support ground beam (1) from bottom to top, the upper end surface of the plain concrete cushion layer (4) is flush with the upper end surface of the edge support ground beam (1), and the first floor terrace (5) is paved on the upper end surface of the edge support ground beam (1) and the upper end surface of the plain concrete cushion layer (4); the anchor is had a plurality of joint bars (2) along length direction interval anchor in limit support ground roof beam (1) upper end, the vertical anchor of joint bar (2) one end is inside the upper end of limit support ground roof beam (1), and the anchor is buckled inside the lateral margin of first floor terrace (5) to joint bar (2) other end level.
2. The structure of the frame structure for pouring the first floor terrace after the steel bars are reserved in the structure according to claim 1, wherein one end of the steel bar (2) is vertically anchored on the inner outer side of the upper end of the side support floor beam (1), and the other end of the steel bar (2) is welded or lapped on the horizontal steel bar (6) which is perpendicular to the side support floor beam (1) in the first floor terrace (5).
3. The structure of the first floor terrace poured after the steel bars are reserved in the frame structure according to claim 2, wherein the anchoring lengths of the ends of the inserted bars (2) in the side support ground beam (1) and the first floor terrace (5) are both more than or equal to 15d, and d is the diameter of the inserted bar (2).
4. The structure of the frame structure for pouring the first floor after the steel bars are reserved in the structure as claimed in claim 3, wherein the distance between the inserted bars (2) anchored in the first floor (5) is different.
5. The structure of the frame structure for pouring the first floor terrace after the steel bars are reserved in the structure according to claim 4, wherein the inserting bars (2) are in one-to-one correspondence with the horizontal steel bars (6) perpendicular to the side support ground beams (1) in the first floor terrace (5).
6. The first floor terrace structure poured after the frame structure reserves the steel bars according to claim 5, wherein the specification of the dowel bar (2) is phi 8.
7. The first floor terrace structure poured after the frame structure reserves the steel bars according to claim 6, wherein the thickness of the plain concrete cushion layer (4) ranges from 80 mm to 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709754.1U CN213572819U (en) | 2020-08-17 | 2020-08-17 | First floor terrace structure is pour after frame construction reserves reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709754.1U CN213572819U (en) | 2020-08-17 | 2020-08-17 | First floor terrace structure is pour after frame construction reserves reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213572819U true CN213572819U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021709754.1U Expired - Fee Related CN213572819U (en) | 2020-08-17 | 2020-08-17 | First floor terrace structure is pour after frame construction reserves reinforcing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213572819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232587A (en) * | 2021-12-10 | 2022-03-25 | 中国一冶集团有限公司 | Construction method for preventing settlement and cracking of large-area ground |
| CN115182374A (en) * | 2022-08-12 | 2022-10-14 | 上海建工七建集团有限公司 | Construction method of terrace structure beam plate and terrace structure beam plate |
-
2020
- 2020-08-17 CN CN202021709754.1U patent/CN213572819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232587A (en) * | 2021-12-10 | 2022-03-25 | 中国一冶集团有限公司 | Construction method for preventing settlement and cracking of large-area ground |
| CN115182374A (en) * | 2022-08-12 | 2022-10-14 | 上海建工七建集团有限公司 | Construction method of terrace structure beam plate and terrace structure beam plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |