CN204435390U - A kind of rectangle fender pile - Google Patents
A kind of rectangle fender pile Download PDFInfo
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- CN204435390U CN204435390U CN201520024726.9U CN201520024726U CN204435390U CN 204435390 U CN204435390 U CN 204435390U CN 201520024726 U CN201520024726 U CN 201520024726U CN 204435390 U CN204435390 U CN 204435390U
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Abstract
The utility model discloses a kind of rectangle fender pile, comprise multiple arrangement according to desired location and the rectangular pile of in advance prefabricated band injected hole, the partition wall that the Guan Liang that bears down on one, waist rail and fly ash hollow block are built by laying bricks or stones is fixed with between adjacent stake and stake, utilize horizontal support in conjunction with reverse construction, the described Guan Liang that bears down on one is horizontally fixed on the top of adjacent rectangle stake, described waist rail is horizontally fixed on the bracket place of adjacent rectangle stake, and described partition wall is built by laying bricks or stones in adjacent rectangle stake and the space that formed with waist rail.After excavation of foundation pit completes, the vertical supporting of space enclosing structure and double vertical member and the horizontal member doing constructure body structure of horizontal support, avoid the waste of temporary support structures, also save the duration simultaneously, be conducive to the sustainable development realizing base pit engineering.
Description
Technical field
The utility model relates to a kind of rectangle fender pile and the double construction method doing agent structure of space enclosing structure, is particularly useful for the construction of the bracing of foundation pit of urban district building, excavation and Main Underground body structure.
Background technology
At present, base pit engineering fender post many employings cast in situs, pile quality is difficult to ensure, often occurs broken pile and presss from both sides mud phenomenon and not easily repair; The concrete of cast in situs needs an intensity rising stage, causes the duration to be wasted; And fender post mostly is temporary support structures, reclaims difficulty after excavation of foundation pit completes, namely give up with rear, cause waste and soil pollution; Constructure body structure and space enclosing structure cannot unite two into one, agent structure just starts construction after excavation of foundation pit completes, cause great waste of material and duration loss, and the secondary loading of space enclosing structure when supporting removal and secondary deformation can cause further impact to surrounding enviroment.
Utility model content
The utility model is for the problems referred to above, proposes new pile-type and construction method, make use of the part that fly ash building block does main body abutment wall, turns waste into wealth; The components such as space enclosing structure many employings preformed pile, prefabricated crown beam and waist rail, realize batch production, industrialization, become more meticulous, improve workmanship and speed of application; In conjunction with reverse construction step, by the vertical supporting of space enclosing structure and double vertical member and the horizontal member doing constructure body structure of horizontal support, avoid the waste of temporary support structures, shorten the duration simultaneously.
The purpose of this utility model can be reached by following measure:
A kind of rectangle fender pile, comprise multiple according to desired location arrangement and in advance prefabricated rectangular pile, space enclosing structure is connected to form by support member between adjacent stake and stake, rectangular pile is the space enclosing structure of foundation ditch and a part for building underground space agent structure exterior wall, and is provided with the double horizontal support and the vertical supporting that do horizontal member and vertical member in constructure body structure at the top of space enclosing structure and middle part.
There is an injected hole at described each rectangular pile center, after pile is in place, carries out pile grouting strengthening stratum, improves the stability of fender post.
Described each rectangular pile comprises multistage, is positioned at excavation of foundation pit and is all provided with bracket, for support wale with every section of upper part stake end; Rectangular pile with lower part at the bottom of Foundation Pit is not provided with bracket, because do not excavate, does not need to support at the end, hole.
Described support member comprises the Guan Liang that bears down on one, waist rail and partition wall, the described Guan Liang that bears down on one is horizontally fixed on the top of adjacent rectangle stake, described waist rail is horizontally fixed on the bracket place of adjacent rectangle stake, the described Guan Liang that bears down on one, waist rail control foundation pit deformation by connecting horizontal support, and described partition wall is built by laying bricks or stones in adjacent rectangle stake and the space that formed with waist rail.
Described horizontal support one end is fixed on fender post top and bears down on one on Guan Liang or middle part waist rail, the other end is fixed on the relevant position of foundation ditch opposite side fender post, the centre position of horizontal support is connected in stand column pile, stand column pile is as the vertical supporting of horizontal support, the horizontal carrier member of space enclosing structure is horizontally supported as during excavation of foundation pit, there is provided horizontal force to control foundation pit walls distortion, stand column pile is vertical supporting, ensures the stable of horizontal support; After foundation pit construction, be horizontally supported as beam and the horizontal member of the gripper shoe formation constructure body structure underground space, vertical supporting forms the vertical member of the constructure body structure underground space as post.
Described partition wall is that fly ash hollow block is built by laying bricks or stones and formed, and one deck fly ash hollow block being positioned at waist rail the top leaves grout hole, by the fill gaps at described partition wall rear so that the later stage have higher globality and stability as a part for agent structure.
First fender post and stand column pile construction location are positioned, determine whether to utilize rig to set a circular hole being less than the preformed pile length of side in described fender post position as the smooth press-in of drawing hole and ensure preformed pile according to strata condition.Fender post sets a circle rotary churning pile or surely sprays stake outside foundation ditch after having constructed makes foundation pit waterproof curtain, coordinates dry operating environment during dewatering measure guarantee excavation of foundation pit.After water-stop curtain completes, carry out excavation of foundation pit, expose stake top first floor bracket, construct on fender post top the Guan Liang that bears down on one, and set up horizontal support to control fender post to foundation ditch offset inboard.Along with the further excavation of foundation ditch, foundation pit walls is sprayed one deck concrete prevents the soil body from coming off, after exposing second layer bracket, second layer bracket to be constructed waist rail, waist rail sets up second layer horizontal support, and above waist rail, build fly ash small hollow blocks by laying bricks or stones between two fender posts do partition wall, the described most last layer of fly ash small hollow blocks of building by laying bricks or stones leaves grout hole, after having built by laying bricks or stones, the space grouting after described building block is enriched, continue excavation pit, until excavation of foundation pit completes, monobloc cast base plate of foundation pit, last cast-in-place liner abutment wall, liner abutment wall is near partition wall, with rectangular pile, bear down on one Guan Liang, waist rail and partition wall form the exterior wall of the constructure body structure underground space.
Rectangle fender pile described in utilization carries out the construction method of agent structure,
The stake of step 1. prefabricated rectangle and bear down on one Guan Liang and waist rail;
Step 2. utilizes prefabricated rectangular pile to construct as follows:
A) by prefabricated fender post press-in soil layer; By the injected hole of each rectangular pile to pile grouting;
B) to construct outward rotary churning pile at foundation ditch, form effective water-stop curtain together; And dry operating environment when coordinating dewatering measure guarantee excavation of foundation pit;
C) excavation pit, utilizes prefabricating coping Guan Liang, first horizontal support to rectangular pile jacking row fixed support;
D) continue excavation pit to second layer bracket place, utilize waist rail, partition wall and horizontal support to be fixed support to rectangular pile mid portion;
E) according to the downward excavation pit of step (d) layering, until the design of foundation pit degree of depth;
F) lay substrate bed course, make base plate template, assembling reinforcement, builds sole plate;
G) install lining edges wall form, from below to up cast-in-place liner abutment wall, bottom is connected with sole plate, and cast-in-place abutment wall, near partition wall, mainly plays waterproof and flat outer surface.
H) other inner composition components of the construction building owner body structure underground space, form foundation pit system, the double underground space body doing constructure body structure of support system, construct complete.
The process of the prefabricated rectangle stake of step 1 is as follows:
Make the template of rectangular pile, make bracket template at stake end, assembling reinforcement cage, reserves injected hole, placing of concrete at the centre mould of template, reaches stripping after design strength.
The prefabricating coping Guan Liang of step 1, the process of waist rail are as follows:
Make the template of Guan Liang, waist rail of bearing down on one, assembling reinforcement cage, placing of concrete, reach stripping after design strength.
The concrete implementation step of described step 2 (a) is as follows:
1) the stake position of fender post and vertical supporting stand column pile is located according to designing requirement unwrapping wire;
2) looking strata condition, if piling is difficult, rig can being utilized to set a circular bore at Zhuan Wei center as drawing hole, ensure that preformed pile is pressed into smoothly, and can verticality be improved, if piling is comparatively easy, directly can carry out next step;
3) utilize pile press by prefabricated rectangle stake segmentation press-in soil layer, vertical supporting stand column pile is also pressed in soil layer simultaneously;
4) after the fender post formed by rectangular pile has been constructed, by rectangular pile injected hole to pile grouting, strengthening stratum, increases the stability of stake;
The concrete implementation step of described step 2 (d) is as follows:
1) continue excavation pit to lower one deck bracket place, foundation pit walls is sprayed one deck concrete and prevents the soil body from coming off, prefabricated waist rail is fixed between fender post bracket;
2) on waist rail, fixed level supports, and horizontal support adopts cast-in-place concrete structure;
3) in the space that waist rail and preformed pile are formed, aying powder coal ash hollow pot does partition wall, and reserves grout hole in the top, closely knit space of being in the milk;
4) continue the lower one deck earthwork of excavation, repeat step 1) ~ 3).
Described fender post comprises multiple cross section and is rectangle and the reinforced concrete rectangular stake of band bracket prefabricated in advance.
The beneficial effects of the utility model are as follows:
By adopting prefabricated units, speed of application and construction precision are improved, and the quality of prefabricated units is better, makes construction quality relatively high, has saved the absolute duration of base pit engineering.
Preformed pile can be made more easily to bury by performing " drawing hole ", and can avoid deflection occurs, ensure the verticality of pile, being more conducive to the later stage bears vertical load as constructure body structure; By bearing stratum bottom middle injected hole grouting and reinforcing stake, the stability of stake and the bearing capacity of base stratum can be improved.
By the stratum at the bottom of the injected hole grouting and reinforcing stake in the middle of rectangular pile, the bearing capacity on stratum near the stability of stake and stake can be improved.
Bear foundation pit earth pressure by cross preformed pile, horizontal support provides horizontal force to control foundation pit deformation, and vertical supporting ensures horizontal support stability, three organically combines the common support system forming foundation ditch, adopt reverse construction, construction environment is good, saves the duration.
Horizontal support when doing excavation of foundation pit by the horizontal member of constructure body structure is double; compared with supporting with conventional flat, its support stiffness is larger; effectively can control the horizontal distortion of foundation pit side-wall; be conducive to protection periphery building, be adapted at using when foundation ditch surrounding environment is strict to deformation requirements.
By the bracket on preformed pile, by preformed pile and prefabricating coping Guan Liang, waist rail connects, as space enclosing structure, after excavation of foundation pit completes, by bracket, fender post is connected as the wall of bearing column and the agent structure of agent structure and beam again, foundation pit supporting system finally forms the agent structure of the building underground space, cross preformed pile, superimposed wall forms the exterior wall of the building underground space, horizontal support and vertical supporting form the beam of the building underground space, post component, greatly save constructional materials, avoid the dismounting work of the interim horizontal support of tradition and vertical supporting, a large amount of building wastes that can not produce due to dismounting.
Build partition wall by laying bricks or stones by fly ash hollow block to have accomplished to turn waste into wealth, stability is improved by reserved grout hole grouting and reinforcing in partition wall rear; Combined cast-in-situ liner abutment wall, realizes Two walls unite as one, jointly forms the exterior wall of the building underground space with fender post, improves the stability of skin.
Accompanying drawing explanation
Fig. 1 is the top view of rectangular pile;
The left view that Fig. 2 (a) is rectangular pile, the front elevation drawing that Fig. 2 (b) is rectangular pile;
Fig. 3 is that space enclosing structure is beared down on one Guan Liang place cross-sectional view;
Fig. 4 is space enclosing structure partition wall place cross-sectional view;
Fig. 5 is space enclosing structure waist rail place cross-sectional view;
Fig. 6 is foundation pit side-wall (skin) elevation;
Fig. 7 is foundation ditch centerline sectional cutaway;
In figure, 1 is injected hole, and 2 is brackets, and 3 is rectangular piles, and 4 is water-stop curtains, and 5 is the Guan Liang that bear down on one, and 6 is grout holes, and 7 is partition walls, and 8 is waist rails, and 9 is horizontal supports, and 10 is stand column pile, and 11 is sole plates, and 12 is liner abutment walls, and 13 is injecting cement pastes.
In Fig. 6 and Fig. 7, sole plate less than 11 does not excavate part for foundation ditch.
Detailed description of the invention
Below in conjunction with accompanying drawing, implementation method of the present utility model is elaborated:
A kind of rectangle fender pile, is comprised multiple according to desired location arrangement and rectangular pile 3 prefabricated in advance, is connected in adjacent stake with between stake by supporting member; Rectangular pile is the space enclosing structure of foundation ditch and a part for building underground space agent structure exterior wall, and the horizontal member of constructure body structure and double horizontal support and the vertical supporting doing pattern foundation pit supporting structure of vertical member.
Described support member comprises bear down on one hat beam 5, waist rail 8 and partition wall 7, the described Guan Liang that bears down on one is horizontally fixed on the top of adjacent rectangle stake, described waist rail is horizontally fixed on bracket 2 place of adjacent rectangle stake, the described Guan Liang that bears down on one, waist rail control foundation pit deformation by connecting horizontal support 9, and described partition wall is built by laying bricks or stones in adjacent rectangle stake and the space that formed with waist rail.
After pile is in place, carry out pile grouting strengthening stratum by each rectangular pile center injected hole 1, stake end forms injecting cement paste 13, can improve bearing capacity and the formation stability of stake.
Described each rectangular pile comprises multistage, and the every section of stake end being positioned at excavation of foundation pit part is all provided with bracket 2, for support wale; Rectangular pile with lower part at the bottom of Foundation Pit is not provided with bracket, because do not excavate, does not need to support at the end, hole.
Described partition wall 7 is built by laying bricks or stones above waist rail by fly ash hollow block, and the fly ash hollow block being positioned at the top leaves grout hole 6, by the fill gaps at described partition wall rear so that the later stage have higher globality and stability as a part for agent structure.
Described horizontal support 9 one end is fixed on fender post top and bears down on one on hat beam 5 or middle part waist rail 8, the other end is fixed on the relevant position of foundation ditch opposite side fender post, in the middle of horizontal support, stand column pile 10 is set as vertical supporting, the horizontal carrier member of space enclosing structure is horizontally supported as during excavation of foundation pit, horizontal force is provided to control foundation pit walls distortion, stand column pile is vertical supporting, ensures the stable of horizontal support; After foundation pit construction, be horizontally supported as beam and the horizontal member of the gripper shoe formation constructure body structure underground space, vertical supporting forms the vertical member of the constructure body structure underground space as post.
First fender post and stand column pile construction location are positioned, determine whether to utilize rig to set a circular hole being less than the preformed pile length of side in described fender post position as the smooth press-in of drawing hole and ensure preformed pile according to strata condition.Fender post sets a circle rotary churning pile or surely sprays stake outside foundation ditch after having constructed makes foundation pit waterproof curtain 4, coordinates dry operating environment during dewatering measure guarantee excavation of foundation pit.After water-stop curtain completes, carry out excavation of foundation pit, expose stake top first floor bracket 2, bear down on one in the construction of fender post top and be preced with beam 5, and set up horizontal support 9 to control fender post to foundation ditch offset inboard.Along with the further excavation of foundation ditch, foundation pit walls is sprayed one deck concrete prevents the soil body from coming off, after exposing second layer bracket, second layer bracket to be constructed waist rail 8, waist rail sets up second layer horizontal support, and above waist rail, between two fender posts, build fly ash small hollow blocks by laying bricks or stones do partition wall 7, the described most last layer of fly ash small hollow blocks of building by laying bricks or stones leaves grout hole 6, after having built by laying bricks or stones, the space grouting after described building block is enriched, continue excavation pit, until excavation of foundation pit completes, monobloc cast sole plate 11, last cast-in-place liner abutment wall 12, liner abutment wall is near partition wall, with rectangular pile, bear down on one Guan Liang, waist rail and partition wall form the exterior wall of the constructure body structure underground space.
Concrete construction method is as follows:
The stake of step 1. prefabricated rectangle, bear down on one Guan Liang and waist rail;
Step 2. utilizes prefabricated rectangular pile to construct as follows:
A) preformed pile is pressed in soil layer; By the injected hole 6 of each rectangular pile to pile grouting, fender post bottom forms injecting cement paste 13;
B) to construct outward rotary churning pile at foundation ditch, form effective water-stop curtain 4 together; And dry operating environment when coordinating dewatering measure guarantee excavation of foundation pit;
C) excavation pit, utilizes on rectangular pile top prefabricating coping to be preced with beam 5, first horizontal support 9 and is fixed support;
D) continue excavation pit to second layer bracket 2 place, utilize waist rail 8, partition wall 7 and horizontal support 9 pairs of rectangular pile mid portions to be fixed support;
E) according to the downward excavation pit of step (d) layering, until the design of foundation pit degree of depth;
F) lay substrate bed course, make base plate template, assembling reinforcement, builds sole plate 11;
G) install lining edges wall form, from below to up cast-in-place liner abutment wall 12, bottom is connected with sole plate, cast-in-place abutment wall with near partition wall 7, mainly play waterproof and flat outer surface.
H) other inner composition components of the construction building owner body structure underground space, form foundation pit system, the double underground space body doing constructure body structure of support system, construct complete.
The process of the prefabricated rectangle stake of step 1 is as follows:
Make the template of rectangular pile, make bracket template at stake end, assembling reinforcement cage, reserves injected hole, placing of concrete at the centre mould of template, reaches stripping after design strength.
The prefabricating coping Guan Liang of step 1, the process of waist rail are as follows:
Make the template of Guan Liang, waist rail of bearing down on one, assembling reinforcement cage, placing of concrete, reach stripping after design strength.
The concrete implementation step of described step 2 (a) is as follows:
1) according to the stake position of designing requirement unwrapping wire locating rectangle stake 3 and vertical supporting stand column pile 10;
2) looking strata condition, if piling is difficult, rig can being utilized to set a circular bore at Zhuan Wei center as drawing hole, ensure that preformed pile is pressed into smoothly, and can verticality be improved, if piling is comparatively easy, directly can carry out next step;
3) utilize pile press by prefabricated rectangle stake 3 segmentation press-in soil layer, vertical supporting stand column pile 10 is also pressed in soil layer simultaneously;
4) after the fender post formed by rectangular pile has been constructed, by rectangular pile injected hole 6 to pile grouting, the stability of stake is increased;
The concrete implementation step of described step 2 (d) is as follows:
1) continue excavation pit to lower one deck bracket 2 place, foundation pit walls is sprayed one deck concrete and prevents the soil body from coming off, prefabricated waist rail 8 is fixed between fender post bracket;
2) on waist rail 8, fixed level supports 9, and horizontal support adopts cast-in-place concrete structure;
3) in the space that waist rail and preformed pile are formed, aying powder coal ash hollow pot does partition wall 7, and reserves grout hole 6 in the top, closely knit space of being in the milk;
4) continue the lower one deck earthwork of excavation, repeat step 1) ~ 3).
Described fender post comprises multiple cross section and is rectangle and the reinforced concrete rectangular stake of band bracket prefabricated in advance.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (6)
1. a rectangle fender pile, it is characterized in that: comprise multiple according to desired location arrangement and in advance prefabricated rectangular pile, space enclosing structure is connected to form by support member between adjacent stake and stake, rectangular pile is the space enclosing structure of foundation ditch and a part for building underground space agent structure exterior wall, and is provided with the double horizontal support and the vertical supporting that do horizontal member and vertical member in constructure body structure at the top of space enclosing structure and middle part.
2. rectangle fender pile as claimed in claim 1, is characterized in that: there is an injected hole at described each rectangular pile center, after pile is in place, carries out pile grouting strengthening stratum.
3. rectangle fender pile as claimed in claim 1, is characterized in that: described each rectangular pile comprises multistage, is positioned at excavation of foundation pit and is all provided with bracket for support wale with every section of upper part stake end.
4. rectangle fender pile as claimed in claim 1, it is characterized in that: described support member comprises the Guan Liang that bears down on one, waist rail and partition wall, the described Guan Liang that bears down on one is horizontally fixed on the top of adjacent rectangle stake, described waist rail is horizontally fixed on the bracket place of adjacent rectangle stake, the described Guan Liang that bears down on one, waist rail control foundation pit deformation by connecting horizontal support, and described partition wall is built by laying bricks or stones in adjacent rectangle stake and the space that formed with waist rail.
5. rectangle fender pile as claimed in claim 1, it is characterized in that: described horizontal support one end is fixed on fender post top and bears down on one on Guan Liang or middle part waist rail, the other end is fixed on the relevant position of foundation ditch opposite side fender post, the centre position of horizontal support is connected in stand column pile, stand column pile is as the vertical supporting of horizontal support, be horizontally supported as the horizontal carrier member providing horizontal force to control the space enclosing structure of foundation pit walls distortion during excavation of foundation pit, stand column pile is the vertical supporting ensureing that horizontal support is stable; After foundation pit construction, be horizontally supported as the horizontal member that beam forms the constructure body structure underground space, vertical supporting forms the vertical member of the constructure body structure underground space as post.
6. rectangle fender pile as claimed in claim 4, is characterized in that: described partition wall is built by laying bricks or stones by fly ash hollow block, reserved grout hole on the discharge coal ash hollow pot of the top one, closely knit partition wall space of being in the milk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024726.9U CN204435390U (en) | 2015-01-14 | 2015-01-14 | A kind of rectangle fender pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520024726.9U CN204435390U (en) | 2015-01-14 | 2015-01-14 | A kind of rectangle fender pile |
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| CN204435390U true CN204435390U (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563131A (en) * | 2015-01-14 | 2015-04-29 | 济南轨道交通集团有限公司 | Rectangular enclosure pile, and construction method using rectangular enclosure pile as main structure |
| WO2021154065A1 (en) * | 2020-01-30 | 2021-08-05 | Estructuras Metálicas De Puebla S.A. De C.V. | Prefabricated metal and concrete piles |
-
2015
- 2015-01-14 CN CN201520024726.9U patent/CN204435390U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563131A (en) * | 2015-01-14 | 2015-04-29 | 济南轨道交通集团有限公司 | Rectangular enclosure pile, and construction method using rectangular enclosure pile as main structure |
| WO2021154065A1 (en) * | 2020-01-30 | 2021-08-05 | Estructuras Metálicas De Puebla S.A. De C.V. | Prefabricated metal and concrete piles |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170114 |