CN205712123U - A kind of foundation ditch permanent support structure based on double pile for prestressed pipe - Google Patents
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe Download PDFInfo
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- CN205712123U CN205712123U CN201620333596.1U CN201620333596U CN205712123U CN 205712123 U CN205712123 U CN 205712123U CN 201620333596 U CN201620333596 U CN 201620333596U CN 205712123 U CN205712123 U CN 205712123U
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- pile
- prestressed pipe
- agent structure
- foundation ditch
- permanent support
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Abstract
The utility model discloses a kind of foundation ditch permanent support structure based on double pile for prestressed pipe, including supporting construction, connecting portion and agent structure, described supporting construction is connected by connecting portion with agent structure, and described supporting construction is outwards sequentially provided with two rows, and described supporting construction is pile for prestressed pipe.Pile for prestressed pipe becomes a part for agent structure under the connection of connecting portion, collectively constitutes permanent support system with agent structure.This utility model is by setting up permanent support between pile for prestressed pipe and agent structure, changing existing foundation ditch temporary support structures is permanent supporting construction, give full play to the permanent action of double pile for prestressed pipe, form basement floor and supporting pile tube cooperative permanent support structural system.
Description
Technical field
This utility model relates to a kind of foundation ditch permanent support structure based on double pile for prestressed pipe.
Background technology
Building and deep-foundation pit engineering field, foundation ditch Retaining Structure with Double-row Piles based on pile for prestressed pipe is arranged as temporary construction
Execute, only consider its effect in the Underground Construction stage, just go out of use, to construction material and social resources after foundation ditch backfill
Cause waste.In traditional design thinking, base pit engineering belongs to provisional working measure, and Design of Main Structure is often ahead of foundation ditch
The design of supporting construction, causes both disconnections in design process.Permanent foundation pit supporting construction based on double pile for prestressed pipe
Be by setting up permanent support, agent structure structure combined with pile for prestressed pipe, formed agent structure under ground portion with
Double supporting pile tube shared cheats the permanent support structural system of outer rock and soil pressure.On the one hand new technique can give full play to double
The advantage of pile for prestressed pipe supporting construction, on the other hand can make full use of pile for prestressed pipe stiffness by itself, effectively reduce basement
Exterior wall thickness, reduces construction costs, economizes on resources, and protects environment, promotes the sustainable development of urban construction.
Utility model content
This utility model is in order to solve the problems referred to above, it is proposed that a kind of foundation ditch permanent support based on double pile for prestressed pipe
Structure, this utility model, by setting up permanent support between pile for prestressed pipe and agent structure, changes existing foundation ditch and props up temporarily
Protection structure is permanent supporting construction, gives full play to the permanent action of double pile for prestressed pipe, forms basement floor and supporting
Pile tube cooperative permanent support structural system.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, pre-including two rows set gradually from inside to outside
Supporting construction, connecting portion and the agent structure that stress pile tube is constituted, the described inside and outside two row's supporting construction coupling beam by its top
Connecting, the supporting construction of interior row is connected by connecting portion with agent structure.Pile for prestressed pipe becomes main under the connection of connecting portion
A part for body structure, collectively constitutes permanent support system with agent structure.
Described connecting portion includes the overhanging support of agent structure and the overhanging support of Base isolation system, the described base set gradually up and down
The overhanging support of plinth raft plate is positioned at orlop, and the two ends of the overhanging support of agent structure and the overhanging support of Base isolation system connect main body respectively
Structure and supporting construction.Connecting portion connects pile for prestressed pipe and agent structure, and the overhanging support of Base isolation system is positioned at bottom, connects
Base isolation system and pile for prestressed pipe, Base isolation system is overhanging to be supported in Base isolation system plane, and height and the upper table of Base isolation system
Face flushes, and the overhanging support of agent structure is positioned at each floor beam slab plane.
The overhanging support of described Base isolation system is followed successively by layer of sand and plain concrete cushion layer in rubble from bottom to top.Plain concrete pad
The thickness of layer is 200mm.
The overhanging support tip of described agent structure is provided with waist rail.The overhanging support of described agent structure and waist rail are reinforcing bar and mix
Solidifying soil supports, in waist rail and the overhanging support of agent structure are generally aligned in the same plane, by waist rail be embedded in pile for prestressed pipe in advance
On steel clamp connection be integrated.
The exterior wall of described agent structure is outwards sequentially provided with waterproof layer and heat-insulation layer.
The bottom of described agent structure is provided with blinding layer.
Described pile for prestressed pipe lines up interlaced arrangement inside and outside two.
Being embedded with ring-shaped clip on described pile for prestressed pipe, described clip is corresponding with the base plate position of agent structure.
The outer surface of described clip and the flush with outer surface of pile for prestressed pipe.Clip is inlaid in pile for prestressed pipe completely,
And there are some ribs stretched within pile for prestressed pipe deeply ingrained inner side, makes clip more firm with pile for prestressed pipe.
Described clip uses with waist rail and is welded to connect.Described clip welds together with longitudinal reinforcement in waist rail, makes supporting
More firm.
The beneficial effects of the utility model are:
(1) Main Function of the overhanging support of this utility model is to connect agent structure and supporting construction, transmits horizontal force；Waist
Beam has two effects, is on the one hand connected by pile for prestressed pipe by waist rail, the globality of strengthening supporting structure；On the other hand, waist
The concentration power that overhanging support is transmitted can be evenly distributed to each pile for prestressed pipe by beam, it is to avoid stress is concentrated and caused pile for prestressed pipe
Structural deterioration.By permanent overhanging support and the common effect of waist rail so that the main body building of pile for prestressed pipe and agent structure
Plate combines, and forms space lateral resisting structure system, and enriches force path by backfill soil power transmission；
(2) this utility model changes the present situation that conventional foundation pit supporting pile goes out of use after Underground Construction terminates, real
Existing foundation pit supporting pile forever plays a role, it is possible to decrease outer wall of basement thickness, saves construction cost, promotes that urban underground space is built
If health and sustainable development；
(3) this utility model is for deep basal pit Retaining Structure with Double-row Piles based on pile for prestressed pipe, can change existing facing
Time property foundation pit supporting construction system is permanent foundation pit supporting construction system, gives full play to the permanent effect of support system, has
Effect reduces the horizontal stress that agent structure outer wall of basement undertakes, and saves construction cost, reduces construction costs.
Accompanying drawing explanation
Fig. 1 is integral structural system figure of the present utility model；
Fig. 2 is this utility model integral structural system longitudinal sectional drawing；
Fig. 3 is this utility model integral structural system transverse cross-sectional view；
Fig. 4 is that this utility model pile for prestressed pipe is connected transverse cross-sectional view with overhanging support；
Fig. 5 is this utility model pile for prestressed pipe structure chart；
Fig. 6 is this utility model pile for prestressed pipe longitudinal sectional drawing；
Fig. 7 is this utility model pile for prestressed pipe clip position transverse cross-sectional view；
Wherein, 1, first row pile for prestressed pipe, 2, second row pile for prestressed pipe, 3, the overhanging support of agent structure, 4, basis
The overhanging support of raft plate, 5, layer of sand in rubble, 6, exterior wall, 7, floor, 8, Base isolation system, 9, blinding layer, 10, the backfill soil body, 11,
Waist rail, 12, waterproof layer, 13, heat-insulation layer, 14, clip, 15, Guan Liang, 16 coupling beams.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of foundation ditch permanent support structure based on double pile for prestressed pipe, including supporting construction, connection
Portion and agent structure, described supporting construction is connected by connecting portion with agent structure, and described supporting construction is outwards sequentially provided with two
Row, described supporting construction is pile for prestressed pipe, and two row's pile for prestressed pipe are respectively the first pile for prestressed pipe 1 and the second prestressed pipe
Stake 2, the first pile for prestressed pipe 1 and the second pile for prestressed pipe 2 top are respectively equipped with is preced with beam 15, and described hat beam 15 is by coupling beam 16 even
It is connected together, it is achieved the first pile for prestressed pipe 1 and connection of the second pile for prestressed pipe 2.Pile for prestressed pipe is in the connection of connecting portion
Under become the part of agent structure, collectively constitute permanent support system with agent structure.Described pile for prestressed pipe is inside and outside
Two line up interlaced arrangement.
As in figure 2 it is shown, described connecting portion includes the overhanging support of agent structure 3 and the overhanging support of Base isolation system 4, described basis
The overhanging support of raft plate 4 is positioned at orlop.Connecting portion connects pile for prestressed pipe and agent structure, and the overhanging support of Base isolation system 4 is positioned at
Bottom, connects Base isolation system 8 and pile for prestressed pipe, the overhanging support of Base isolation system 4 in Base isolation system 8 plane, and height with
The upper surface flush of Base isolation system 8, the overhanging support of agent structure 3 is positioned at each storey floors 7 board plane.Outside described Base isolation system
Stretch support 4 and be followed successively by layer of sand 5 and plain concrete cushion layer in rubble from bottom to top.The thickness of plain concrete cushion layer is 200mm.Described
Agent structure overhanging support 3 end is provided with waist rail 11.The overhanging support of described agent structure 3 and waist rail 11 are armored concrete and prop up
Support, in waist rail 11 and the overhanging support of agent structure 3 are generally aligned in the same plane, by waist rail 11 and is embedded on pile for prestressed pipe in advance
Steel clip 14 connect as one.Described agent structure exterior wall 6 is outwards sequentially provided with waterproof layer 12 and heat-insulation layer 13.Such as Fig. 3
Shown in, it is filled with the backfill soil body 10 between agent structure exterior wall 6 and prestressing force supporting pile tube.It is provided with base bottom described agent structure
Plinth bed course 9.
As shown in Fig. 5, Fig. 6 and Fig. 7, on described pile for prestressed pipe in be embedded with ring-shaped clip 14, described clip 14 is with main
The base plate position of body structure is corresponding.The outer surface of described clip 14 and the flush with outer surface of pile for prestressed pipe.Clip 14 is complete
Entirely it is inlaid in pile for prestressed pipe, and there are some ribs stretched within pile for prestressed pipe deeply ingrained inner side, make clip 14 with pre-
Stress pile tube is more firm.As shown in Figure 4, described clip 14 uses with waist rail 11 and is welded to connect.Described clip 14 and waist rail 11
Interior longitudinal reinforcement welds together, and makes supporting more firm.
Agent structure permanent support cooperative with pile for prestressed pipe system construction technology comprises the following steps:
(1) pile for prestressed pipe is performed, including batch production making, job site pile for prestressed pipe and the stake top of pile for prestressed pipe
Hat beam 15, the construction of coupling beam 16；
(2) excavation of foundation pit；
(3) perform foundation ditch bottom cushion, on bottom cushion, then perform Base isolation system 8；
(4) perform the overhanging support of Base isolation system 4, Base isolation system is set between Base isolation system 8 and pile for prestressed pipe overhanging
Supporting 4, this is supported for permanent plain concrete and supports, and Specific construction technique is: blinding layer 9 and Base isolation system 8 construction terminate
After, groove fertile to construction between raft edges of boards edge and foundation pit support pipe pile is cleared up, and lays the thick plain concrete pad of 200mm at fertile trench bottom
Layer, then on bed course, perform rubble, medium sand backfill layer 5, and in rubble, above sand bed, pour the overhanging support of Base isolation system 4,
The upper surface of the overhanging support of described Base isolation system 4 and Base isolation system 8 upper surface flush；
(5) fabric main structure construction；
(6) the overhanging support of agent structure 3 and waist rail 11 are constructed: arrange outside agent structure in fabric floor 7 plane
Stretching support 3 and waist rail 11, waist rail 11 and this support are reinforced concrete support, and its work progress follows agent structure bottom-layer beam closely
The construction of plate and carry out, be connected with basement floor 7 by reserved steel bar, waist rail 11 by the most embedding clip 14 with pre-
Stress pile tube is connected, and in waist rail 11, arrangement of reinforcement is welded to connect with clip 14, waist rail 11 arrangement of reinforcement and agent structure overhanging support 3 arrangement of reinforcement
Connected by colligation, waist rail 11 and overhanging support primary concreting molding；
(7) more last layer main structure body structure, waist rail 11 and the construction of overhanging support are carried out successively；
(8), after first floor agent structure and overhanging Construction of Supporting terminate, carry out agent structure exterior wall 6 waterproof layer 12 successively and protect
The construction of temperature layer 13, the water-proofing treatment at the most overhanging Support Position；
(9) the construction fertile groove backfill soil body 10 compaction in layers.
Wherein, in described step 1, the work progress of described pile for prestressed pipe include pile body make and maintenance, described pre-should
Solenoid stake divide two classes, a class be tradition pile for prestressed pipe, another kind of in manufacturing process will in pile die processed the most embedding card
Hoop 14, clip 14 and pile tube together pour molding；
In step 1, described clip 14 riding position Centimeter Level to be accurate to, clip 14 longitudinal reinforcement internal with pile tube passes through
It is welded to connect.
In step 2, the support system in described excavation of foundation pit stage uses Retaining Structure with Double-row Piles based on pile for prestressed pipe.
In step 3, after the construction of described Base isolation system 8 terminates, the fertile groove of construction between cleaning raft edges of boards edge and foundation pit supporting pile
Interior building waste, lays plain concrete cushion layer, and backfills the rubble medium sand that grating is good on described plain concrete cushion layer
Layer 5.
In step 3, the thickness of the described overhanging support of blinding layer 9 is not less than 300mm.
In step 4, the described overhanging support of first agent structure 3 follows the construction of basement ground floor panel closely and carries out, absolute altitude
It is positioned in floor 7 plane.
In step 4, waist rail 11 is connected with foundation pit support pipe pile by the most embedding clip 14, reinforcing bar and in waist rail 11
Outside one row's pile for prestressed pipe, clip 14 is by being welded to connect.
In step 6, after agent structure and overhanging Construction of Supporting terminate, carry out waterproof, the insulation of agent structure exterior wall 6 successively
Construction, then carries out the construct fertile groove backfill soil body 10 compaction in layers.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (8)
1. a foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: include setting gradually from inside to outside
Two row's pile for prestressed pipe supporting construction, connecting portion and the agent structure that constitute, described inside and outside two row's supporting construction are pushed up by it
The coupling beam in portion connects, and the supporting construction of interior row is connected by connecting portion with agent structure；
Described connecting portion includes the overhanging support of agent structure and the overhanging support of Base isolation system set gradually up and down, described basis raft
The overhanging support of plate is positioned at orlop, and the two ends of the overhanging support of agent structure and the overhanging support of Base isolation system connect agent structure respectively
And supporting construction；
The exterior wall of described agent structure is outwards sequentially provided with waterproof layer and heat-insulation layer.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
The overhanging support of Base isolation system is followed successively by layer of sand and plain concrete cushion layer in rubble from bottom to top.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
The overhanging support tip of agent structure is provided with waist rail.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
The bottom of agent structure is provided with blinding layer.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
Pile for prestressed pipe lines up interlaced arrangement inside and outside two.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
Being embedded with ring-shaped clip on pile for prestressed pipe, described clip is corresponding with the base plate position of agent structure.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that: described
The outer surface of clip and the flush with outer surface of pile for prestressed pipe.
A kind of foundation ditch permanent support structure based on double pile for prestressed pipe, is characterized in that, described
Clip uses with waist rail and is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333596.1U CN205712123U (en) | 2016-04-20 | 2016-04-20 | A kind of foundation ditch permanent support structure based on double pile for prestressed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333596.1U CN205712123U (en) | 2016-04-20 | 2016-04-20 | A kind of foundation ditch permanent support structure based on double pile for prestressed pipe |
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| Publication Number | Publication Date |
|---|---|
| CN205712123U true CN205712123U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620333596.1U Active CN205712123U (en) | 2016-04-20 | 2016-04-20 | A kind of foundation ditch permanent support structure based on double pile for prestressed pipe |
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| CN (1) | CN205712123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705847A (en) * | 2020-06-15 | 2020-09-25 | 山东大学 | Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure |
| CN113737813A (en) * | 2021-09-30 | 2021-12-03 | 山东大学 | Structural engineering leading rock-soil structured permanent support system and design method |
-
2016
- 2016-04-20 CN CN201620333596.1U patent/CN205712123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705847A (en) * | 2020-06-15 | 2020-09-25 | 山东大学 | Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure |
| CN113737813A (en) * | 2021-09-30 | 2021-12-03 | 山东大学 | Structural engineering leading rock-soil structured permanent support system and design method |
| CN113737813B (en) * | 2021-09-30 | 2023-03-14 | 山东大学 | Structural engineering-oriented rock-soil structured permanent support system and design method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |