CN214783232U - Pier structure is backfilled to foam light concrete - Google Patents
Pier structure is backfilled to foam light concrete Download PDFInfo
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- CN214783232U CN214783232U CN202121202053.3U CN202121202053U CN214783232U CN 214783232 U CN214783232 U CN 214783232U CN 202121202053 U CN202121202053 U CN 202121202053U CN 214783232 U CN214783232 U CN 214783232U
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- reinforcing bar
- positioning ring
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Abstract
The application discloses pier structure is backfilled to foam lightweight concrete, relate to the technical field of bridge construction, it is including seting up in the foundation ditch on ground and installing in the inside pier of foundation ditch, the bottom of foundation ditch is provided with the bearing plate, the foundation ditch has been pour foam lightweight concrete in the outside of pier, foam lightweight concrete's inside sets up a plurality of vertical reinforcing bars, the top interval of bearing plate is equipped with first slot, the bottom of vertical reinforcing bar is pegged graft in the inside of first slot, the outer wall of vertical reinforcing bar is provided with horizontal reinforcing bar along vertical direction interval, be provided with the connecting piece between the horizontal reinforcing bar on two adjacent vertical reinforcing bars, a plurality of vertical reinforcing bars pass through the connecting piece and connect into a whole. This application is through the inside concreting foam lightweight concrete at the foundation ditch, and foam lightweight concrete's inside is provided with vertical reinforcing bar and horizontal reinforcing bar, and the connecting piece connects into a whole with vertical reinforcing bar and horizontal reinforcing bar to the structural strength in reinforcing filler district, and then promote the stability of pier.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a foam light concrete backfill pier structure.
Background
The bridge pier is used as a main bearing part of the bridge and needs to bear larger vertical load.
Aiming at the bridge on the road surface, the bridge can excavate a foundation pit on the ground in the conventional construction, the bottom of the pier is arranged in the foundation pit, and after the pier is built, soil is backfilled and compacted, so that the foundation pit is filled, and the bottom end of the pier is buried in the soil.
However, the structural strength of the filling area after earth backfill is weak, so that the filling area is easy to collapse in the long-time use process of the bridge, and the use of the bridge pier is further influenced.
SUMMERY OF THE UTILITY MODEL
In order to promote the structural strength who packs the district to promote the stability of pier, this application provides a pier structure is backfilled to foam lightweight concrete.
The application provides a pier structure is backfilled to foam lightweight concrete adopts following technical scheme:
the utility model provides a pier structure is backfilled to foam lightweight concrete, including set up in the foundation ditch on ground with install in the pier inside the foundation ditch, the bottom of foundation ditch is provided with the bearing plate, the foundation ditch in foam lightweight concrete has been pour to the outside of pier, foam lightweight concrete's inside sets up a plurality of vertical reinforcing bars, the top of bearing plate is spaced apart to be equipped with first slot, the bottom of vertical reinforcing bar peg graft in the inside of first slot, the outer wall of vertical reinforcing bar is provided with horizontal reinforcing bar along vertical direction interval, adjacent two on the vertical reinforcing bar be provided with the connecting piece between the horizontal reinforcing bar, a plurality of vertical reinforcing bar passes through the connecting piece connects into a whole.
By adopting the technical scheme, the bearing plate is arranged at the bottom of the foundation pit, so that the pier can be supported, meanwhile, an installation foundation of the vertical steel bar can be provided, and the first slot can be used for pre-positioning the vertical steel bar; connecting two adjacent vertical steel bars through a connecting piece to connect the vertical steel bars into a whole; after the transverse steel bars and the vertical steel bars are installed, foam lightweight concrete is poured inside the foundation pit, so that the structural strength of the filler area is improved; thereby promoting the bearing capacity of pier, and then promote the stability of pier.
Optionally, the connecting piece includes a connecting sleeve, and the connecting sleeve is sleeved outside the connecting position of two adjacent transverse steel bars.
Through adopting above-mentioned technical scheme, the outside of two adjacent horizontal reinforcing bar butt joint positions is located to the connecting sleeve cover, can become integrative with two adjacent horizontal reinforcing bars connection to make a plurality of vertical reinforcing bars and horizontal reinforcing bar connection one-piece, and then promote the structural strength who packs the district.
Optionally, the two ends of the transverse steel bar are both provided with connecting parts, and the longitudinal section of each connecting part is semicircular.
Through adopting above-mentioned technical scheme, be cylindric structure after the connecting portion butt joint of two adjacent horizontal reinforcing bars, can be convenient for locate the outside of connecting portion with the connecting sleeve cover to make things convenient for the installation of vertical reinforcing bar and horizontal reinforcing bar.
Optionally, a connecting bump is arranged at a position where the connecting portion is far away from the transverse steel bar, and a clamping groove for clamping the connecting protrusion is formed at a position where the connecting portion is close to the transverse steel bar.
Through adopting above-mentioned technical scheme, through will connecting the lug joint in the inside of draw-in groove, can promote the joint strength of two adjacent horizontal reinforcing bars.
Optionally, a positioning ring is disposed at the top of the vertical steel bar, and a fixing member for fixing the vertical steel bar between the positioning ring and the support plate is disposed inside the foundation pit.
By adopting the technical scheme, the fixing piece can fix the vertical steel bar between the positioning ring and the supporting plate; can prevent that vertical reinforcing bar breaks away from first slot when pouring foam lightweight concrete to the backfill of foundation ditch of being convenient for.
Optionally, the fixing member includes a turn buckle, and both ends of the turn buckle are respectively connected to the positioning ring and the support plate.
Through adopting above-mentioned technical scheme, turnbuckle can drive holding ring and bearing plate and remove in opposite directions to can prevent the both ends of vertical reinforcing bar to break away from holding ring and bearing plate, and then make vertical reinforcing bar fixed between holding ring and backup pad.
Optionally, the positioning ring comprises a first sub-positioning ring and a second sub-positioning ring which are spliced with each other, and the first sub-positioning ring and the second sub-positioning ring are identical in shape and size.
Through adopting above-mentioned technical scheme, during the installation holding ring, first sub-holding ring is fixed with the sub-holding ring of second after butt joint in the both sides of pier to be convenient for cup joint the holding ring in the outside of pier.
Optionally, the first sub-positioning ring is provided with a positioning block on the side wall close to the second sub-positioning ring, the second sub-positioning ring is provided with a positioning groove, and the positioning block is in splicing fit with the positioning groove.
Through adopting above-mentioned technical scheme, the holding ring is when the installation, inserts the inside of locating piece constant head tank, can fix a position first sub-holding ring and the sub-holding ring of second, can prevent first sub-holding ring and the dislocation of the sub-holding ring of second to be convenient for first sub-holding ring and the fixed of the sub-holding ring of second.
In summary, the present application includes at least one of the following benefits:
1. the foam lightweight concrete is poured inside the foundation pit, the vertical reinforcing steel bars and the transverse reinforcing steel bars are arranged inside the foam lightweight concrete and are connected into a whole through the connecting pieces, so that the structural strength of the filling area can be improved, the bearing capacity of the pier is enhanced, and the stability of the pier is improved;
2. through the setting of holding ring, the turnbuckle can be fixed in vertical reinforcing bar between holding ring and the bearing plate to be convenient for foam lightweight concrete's pouring.
Drawings
FIG. 1 is a schematic sectional view of a foamed lightweight concrete embodying the present embodiment;
FIG. 2 is a schematic structural view of the present embodiment showing the vertical reinforcing bars;
FIG. 3 is a schematic cross-sectional view showing the fit between the vertical reinforcement and the transverse reinforcement in this embodiment;
FIG. 4 is an exploded view of the present embodiment embodying a positioning ring;
FIG. 5 is an enlarged schematic view at A in FIG. 2;
FIG. 6 is an exploded view of the present embodiment showing the connection bump;
fig. 7 is an enlarged schematic view at B in fig. 6.
Description of reference numerals: 1. a ground surface; 11. a foundation pit; 2. a bridge pier; 3. foamed lightweight concrete; 4. a support plate; 41. a first slot; 5. vertical reinforcing steel bars; 6. transverse reinforcing steel bars; 61. a connecting portion; 62. a connection bump; 63. a card slot; 7. a connecting member; 71. a connecting sleeve; 8. a positioning ring; 81. a first sub-positioning ring; 811. positioning blocks; 82. a second sub-positioning ring; 821. positioning a groove; 83. a second slot; 9. a fixing member; 91. a turn buckle; 92. a hook; 93. and (7) connecting rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses foam lightweight concrete backfills pier structure. Referring to fig. 1, the pier structure of the foam lightweight concrete backfill comprises a foundation pit 11 arranged on the ground 1 and a pier 2 embedded in the foundation pit 11, wherein the pier 2 in the embodiment is of a cylindrical structure; the bottom of the foundation pit 11 is provided with a bearing plate 4, the pier 2 is arranged at the central position of the bearing plate 4, and the top of the bearing plate 4 is abutted against the pier 2; the foam lightweight concrete 3 is poured outside the pier 2 of the foundation pit 11, and the top of the foam lightweight concrete 3 is flush with the ground 1.
Referring to fig. 1 and 2, a plurality of vertical steel bars 5 are arranged inside the foamed lightweight concrete 3, and each vertical steel bar 5 is provided with transverse steel bars 6 at intervals along the vertical direction, the transverse steel bars 6 and the vertical steel bars 5 in the embodiment are both in a cylindrical rod-shaped structure, and the transverse steel bars 6 are fixedly connected with the vertical steel bars 5 in a welding manner; the top of the support plate 4 is provided with first slots 41 at intervals along the circumferential direction, and the bottom ends of the vertical steel bars 5 are inserted into the first slots 41.
Referring to fig. 3 and 4, the positioning ring 8 is disposed at the top of the vertical steel bar 5, the positioning ring 8 in this embodiment includes a first sub-positioning ring 81 and a second sub-positioning ring 82 that are spliced with each other, the first sub-positioning ring 81 and the second sub-positioning ring 82 have the same shape and size, and the first sub-positioning ring 81 and the second sub-positioning ring 82 are welded and fixed to be a circular plate-shaped structure after being spliced; two positioning blocks 811 are convexly arranged on one side of the first sub-positioning ring 81 close to the second sub-positioning ring 82, and the two positioning blocks 811 are respectively arranged at two ends of the first sub-positioning ring 81; the side wall of the second sub-positioning ring 82 is provided with a positioning groove 821 for the positioning block 811 to be inserted, and the positioning block 811 is clamped into the positioning groove 821, so that the first sub-positioning ring 81 and the second sub-positioning ring 82 are positioned, and the first sub-positioning ring 81 and the second sub-positioning ring 82 are welded and fixed conveniently.
Referring to fig. 4 and 5, the bottom of the positioning ring 8 is provided with second slots 83 at intervals, and the top ends of the vertical steel bars 5 are inserted into the second slots 83. A fixing piece 9 for fixing the vertical steel bar 5 between the positioning ring 8 and the supporting plate 4 is arranged in the foundation pit 11; the fixing member 9 in this embodiment is a plurality of turn buckle bolts 91, two turn buckle bolts 91 are provided, and the two turn buckle bolts 91 are symmetrically provided on both sides of the pier 2; the pothook 92 is welded and fixed at the two ends of the turn buckle 91, the connecting ring 93 for connecting the pothook 92 is welded and fixed on the surface of the positioning ring 8 opposite to the bearing plate 4, the pothooks 92 at the two ends of the turn buckle 91 are respectively connected with the positioning ring 8 and the connecting ring 93 on the bearing plate 4, and the positioning ring 8 and the bearing plate 4 are driven to be close to each other through the turn buckle 91, so that the vertical steel bar 5 is fixed.
Referring to fig. 6 and 7, a connecting member 7 for connecting two adjacent transverse reinforcing bars 6 is disposed inside the foundation pit 11; the connecting piece 7 in this embodiment is a cylindrical connecting sleeve 71, and the connecting sleeve 71 is slidably arranged on the transverse steel bar 6; the two ends of the transverse steel bars 6 are integrally formed with connecting parts 61, the connecting parts 61 of the embodiment are of a semi-cylindrical structure, and two adjacent transverse steel bars 6 are in a cylindrical structure after being butted; a rectangular connecting lug 62 is fixedly welded at a position, far away from the transverse steel bar 6, of the side wall of the connecting part 61, and a clamping groove 63 is formed at a position, close to the transverse steel bar 6, of the side wall of the connecting part 61; after the two transverse steel bars 6 are butted, the connecting lug 62 is clamped into the clamping groove 63, the sliding connecting sleeve 71 is sleeved on the connecting part 61, so that the two transverse steel bars 6 are positioned, and the vertical steel bar 5 and the transverse steel bar 6 are connected into a whole.
The embodiment of the application discloses a foam lightweight concrete backfill pier structure's implementation principle does:
when the pier 2 is constructed, firstly, the support plate 4 is installed at the bottom of the foundation pit 11, and then the pier 2 is installed at the top of the support plate 4; secondly, a plurality of vertical steel bars 5 are inserted into the first slot 41, two adjacent transverse steel bars 6 are spliced, the connecting lug 62 is clamped into the clamping slot 63 during splicing, and then the connecting sleeve 71 is sleeved outside the connecting part 61 through the sliding connecting sleeve 71, so that the vertical steel bars 5 and the transverse steel bars 6 are connected into a whole; then, the first sub positioning ring 81 and the second sub positioning ring 82 are spliced at two sides of the pier 2, and after the positioning block 811 is inserted into the positioning groove 821, the first sub positioning ring 81 and the second sub positioning ring 82 are welded, fixed and connected, so that the positioning ring 8 is sleeved outside the pier 2; then, the hooks 92 at the two ends of the turn buckle 91 are respectively connected with the positioning ring 8 and the connecting ring 93 on the support plate 4, and the vertical steel bar 5 is fixed through the turn buckle 91; and finally, pouring the foamed lightweight concrete 3 in the foundation pit 11 to fill the foundation pit 11 with the foamed lightweight concrete 3, thereby reinforcing the pier 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pier structure is backfilled to foam light concrete, including set up in foundation ditch (11) on ground (1) and install in pier (2) inside foundation ditch (11), its characterized in that: the bottom of foundation ditch (11) is provided with bearing plate (4), foundation ditch (11) in the outside of pier (2) has been pour foam lightweight concrete (3), the inside of foam lightweight concrete (3) sets up a plurality of vertical reinforcing bars (5), first slot (41) have been seted up at the top interval of bearing plate (4), the bottom of vertical reinforcing bar (5) peg graft in the inside of first slot (41), the outer wall of vertical reinforcing bar (5) is provided with horizontal reinforcing bar (6) along vertical direction interval, two adjacent vertical reinforcing bar (5) are last be provided with connecting piece (7) between horizontal reinforcing bar (6), a plurality of vertical reinforcing bar (5) pass through connecting piece (7) connect into a whole.
2. The pier structure backfilled with foam light concrete according to claim 1, wherein: the connecting piece (7) comprises a connecting sleeve (71), and the connecting sleeve (71) is sleeved outside the connecting position of the two adjacent transverse steel bars (6).
3. The pier structure backfilled with foam light concrete according to claim 2, wherein: both ends of horizontal reinforcing bar (6) all are provided with connecting portion (61), the longitudinal section of connecting portion (61) is semi-circular.
4. The pier structure backfilled with foam light concrete according to claim 3, wherein: connecting portion (61) are kept away from the position of horizontal reinforcing bar (6) is provided with connection lug (62), connecting portion (61) are close to the confession is seted up to the position of horizontal reinforcing bar (6) draw-in groove (63) that the connection arch card was gone into.
5. The pier structure backfilled with foam light concrete according to claim 1, wherein: the top of the vertical steel bar (5) is provided with a positioning ring (8), and a fixing piece (9) used for fixing the vertical steel bar (5) between the positioning ring (8) and the supporting plate (4) is arranged in the foundation pit (11).
6. The pier structure backfilled with foam light concrete according to claim 5, wherein: the fixing piece (9) comprises a turn buckle (91), and two ends of the turn buckle (91) are respectively connected with the positioning ring (8) and the supporting plate (4).
7. The pier structure backfilled with foam light concrete according to claim 5, wherein: the positioning ring (8) comprises a first sub-positioning ring (81) and a second sub-positioning ring (82) which are spliced with each other, and the shape and the size of the first sub-positioning ring (81) are identical to those of the second sub-positioning ring (82).
8. The pier structure backfilled with foam light concrete according to claim 7, wherein: the side wall of the first sub-positioning ring (81) close to the second sub-positioning ring (82) is provided with a positioning block (811), the second sub-positioning ring (82) is provided with a positioning groove (821), and the positioning block (811) is in plug-in fit with the positioning groove (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202053.3U CN214783232U (en) | 2021-05-31 | 2021-05-31 | Pier structure is backfilled to foam light concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202053.3U CN214783232U (en) | 2021-05-31 | 2021-05-31 | Pier structure is backfilled to foam light concrete |
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| Publication Number | Publication Date |
|---|---|
| CN214783232U true CN214783232U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121202053.3U Active CN214783232U (en) | 2021-05-31 | 2021-05-31 | Pier structure is backfilled to foam light concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457834A (en) * | 2022-03-23 | 2022-05-10 | 浙江交工集团股份有限公司 | Large-diameter circular foundation system for pier under slope terrain and construction method of large-diameter circular foundation system |
-
2021
- 2021-05-31 CN CN202121202053.3U patent/CN214783232U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457834A (en) * | 2022-03-23 | 2022-05-10 | 浙江交工集团股份有限公司 | Large-diameter circular foundation system for pier under slope terrain and construction method of large-diameter circular foundation system |
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