CN112049126A - Wall guide template for secant pile concrete guide wall - Google Patents
Wall guide template for secant pile concrete guide wall Download PDFInfo
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- CN112049126A CN112049126A CN202010851333.0A CN202010851333A CN112049126A CN 112049126 A CN112049126 A CN 112049126A CN 202010851333 A CN202010851333 A CN 202010851333A CN 112049126 A CN112049126 A CN 112049126A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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Abstract
The invention discloses a guide wall template for an occlusive pile concrete guide wall, which solves the problem of guide wall concrete forming quality caused by different degrees of template system deviation generated when a wood template is erected in the engineering by adopting a continuous semicircular forming steel template with flanges on the periphery on the inner side of the guide wall, and effectively increases the self rigidity of the forming steel template by simultaneously forming the flanges on the periphery of the steel template. Utilize the second angle steel to link to each other the inboard rigid formwork support system of stereotyping of wall that forms with the third angle steel, finally link to each other with the first angle steel on the design steel form, effectually support the reinforcement to the design steel form, use bolted connection between angle steel and the angle steel simultaneously, the removal is torn open in the ann of being convenient for, improves the efficiency of construction. Through leading wall outside plank sheathing to consolidate with scaffold tube bottom anchor into the ground, the top is with the form that split bolt and angle steel upper fixed plate are connected, makes the whole template system of leading the wall firm reliable, construction convenience is swift for the construction progress.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting engineering construction, in particular to a guide wall template for an occlusive pile concrete guide wall.
Background
With the continuous development of economy in China, the bored secant cast-in-place pile used for foundation pit support is gradually widely used in design and construction. The foundation pit supporting secant pile is generally formed by cross connection of continuous circular concrete piles, a concrete guide wall needs to be poured to provide a working surface for a secant pile forming machine before construction of the secant pile, a guide wall template is generally a formwork system with an arc shape manufactured on site by adopting a wood template, and because the manufacturing and erecting quality depends on the operation level of constructors, the deviation of the formwork system in different degrees is often caused, the forming quality of the concrete guide wall cannot be ensured finally, the pile forming construction of the secant pile is not facilitated, and the construction quality and the construction progress of the secant pile are influenced. Therefore, in order to eliminate the problems in the engineering construction, a secant pile concrete guide wall construction method is researched, so that the construction progress is accelerated while the forming quality of the guide wall concrete is improved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a secant pile concrete guide wall is used leads wall template, solves the deviation that often can lead to the different degree to appear in the formwork system because constructor operation level is different that exists among the prior art, can not guarantee the problem of concrete guide wall shaping quality finally.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a guide wall template for an occlusive pile concrete guide wall is characterized in that before the guide wall template is erected, a site needs to be leveled before construction of the guide wall, the center line and the side line of an occlusive pile are laid out, and then groove excavation and guide wall reinforcement are carried out; after the steel bars are bound, the guide wall template is erected and constructed, the shaping steel template on the inner side of the guide wall is manufactured into a continuous semicircular shaping steel template with flanges on the periphery by using steel plates according to the specification of the designed secant pile and the height of the guide wall, the continuous semicircular shaping steel template comprises a pair of shaping steel templates in a continuous semicircular structure, one sides of the circle centers of the shaping steel templates are oppositely arranged on a foundation at intervals, one side of the shaping steel template, which is close to the circle center of the semicircular structure, in the length direction is provided with a pair of second angle steels which are parallel to each other, one of the second angle steels is arranged at the bottom of the shaping steel template, the other one of the second angle steels is arranged at the top of the shaping steel template, each second angle steel is attached to the shaping steel template, the upper layer and the lower layer of first angle steels are fixed at the middle position of the arc-shaped bulge, the first angle steel of the lower layer vertically extends to the second angle steel at the bottom of the shaping steel template, a first fixing plate is fixed at one end of the first angle steel of the upper layer close to the arc-shaped bulge of the shaping steel template, a first mounting hole is formed at one end of each first angle steel close to the second angle steel, a second mounting hole corresponding to the first angle steel is formed in the second angle steel, the first angle steel and the second angle steel are fixed together through a first bolt penetrating through the first mounting hole and the second mounting hole, two ends of two second angle steels of the same layer corresponding to each shaping steel template are connected together through a third angle steel, a wood template in the length direction is further arranged in the length direction of the shaping steel template, the wood templates in the length direction are arranged on one side of the arc-shaped bulge of the shaping steel template at intervals, and a batten in transverse back ridge arrangement is further adhered to one side of the wood template in the length direction far away from the shaping steel template, one side of the shaped steel template in the width direction is attached to an existing guide wall, a wood template in the width direction is attached to the other side of the shaped steel template in the width direction, battens arranged in a transverse back ridge manner are also attached to the outer side of the wood template in the width direction, the wood template in the length direction and the wood template in the width direction are both superposed with the outer edge of the guide wall, the wood template in the length direction, the wood template in the width direction, the existing guide wall and the shaped steel template are matched to form a pouring cavity, a plurality of scaffold tubes anchored into a foundation at the bottoms are arranged on the outer sides of the battens corresponding to the wood template in the length direction, split bolts are arranged at the tops of the scaffold tubes, one ends of the split bolts, far away from the scaffold tubes, are arranged on a first fixing plate, fixed scaffold tubes are attached to the outer sides of the battens corresponding to the wood template in the width direction, the bottoms of the fixed scaffold tubes are anchored into the foundation, the ground anchor scaffold tube and the fixed scaffold tube are fixedly connected through the inclined bracing scaffold tube.
The third angle steel is vertical to the second angle steel, the two ends of the third angle steel are respectively provided with a third mounting hole, the second angle steel positioned at the two sides of the third angle steel is respectively provided with a fourth mounting hole matched with the third mounting hole,
and second fixing plates are fixed at two ends of the second angle steel positioned on the upper layer, end part split bolts are installed on the second fixing plates, end part scaffold tubes are fixed at the other ends of the end part split bolts, and the other ends of the end part scaffold tubes are anchored into the foundation.
The length of the ground anchor scaffold tube is smaller than that of the fixed scaffold tube.
The invention has the beneficial effects that:
1. the continuous semicircular shaped steel template with the flange edges on the periphery is adopted on the inner side of the guide wall, so that the problem of guide wall concrete forming quality caused by different degrees of template system deviation generated when a wood template is erected in the engineering is solved, and the flange edges on the periphery of the shaped steel template effectively increase the rigidity of the shaped steel template.
2. According to the invention, the second angle steel and the third angle steel are connected to form the shaped steel formwork supporting system on the inner side of the guide wall, and finally the shaped steel formwork supporting system is connected with the first angle steel on the shaped steel formwork, so that the shaped steel formwork is effectively supported and reinforced, and meanwhile, the angle steel and the angle steel are connected through bolts, so that the mounting, dismounting and moving are convenient, and the construction efficiency is improved.
3. According to the invention, the bottom of the scaffold pipe for reinforcing the wooden template outside the guide wall is anchored into the foundation, and the top of the scaffold pipe is connected with the upper fixed plate of the angle steel by the split bolt, so that the whole template system of the guide wall is firm and reliable, the construction is convenient and fast, and the construction progress is accelerated.
Drawings
Fig. 1 is an overall supporting plan view of the guide wall form of the present invention.
FIG. 2 is a cross-sectional view of a guide wall form of the present invention.
FIG. 3 is a longitudinal cross-sectional view of the guide wall form of the present invention.
Fig. 4 is a diagram of a connection node of the first angle steel, the shaped steel template and the second angle steel.
FIG. 5 is a diagram of a connecting node of a second angle steel and a third angle steel in the invention.
Graphic notation: 1. the design steel form, 2, first angle steel, 3, first fixed plate, 4, first mounting hole, 5, second angle steel, 6, second mounting hole, 7, first bolt, 8, third mounting hole, 9, second fixed plate, 10, third angle steel, 11, fourth mounting hole, 12, second bolt, 13, plank sheathing, 14, flitch, 15, scaffold pipe, 16, split bolt, 17, fixed scaffold pipe, 18, earth anchor scaffold pipe, 19, bracing scaffold pipe, 20, pour the chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A guide wall template for an occlusive pile concrete guide wall is characterized in that before the guide wall template is erected, a site needs to be leveled before construction of the guide wall, the center line and the side line of an occlusive pile are laid out, and then groove excavation and guide wall reinforcement are carried out; after the steel bars are bound, the guide wall template is erected and constructed, the shaping steel template on the inner side of the guide wall is manufactured into a continuous semicircular shaping steel template 1 with flanges on the periphery by using steel plates according to the specification of the designed secant pile and the height of the guide wall, a pair of shaping steel templates 1 in a continuous semicircular structure is taken, one side of the circle center of each shaping steel template 1 is oppositely arranged on a foundation at intervals, one side, close to the circle center of the semicircular structure, of each shaping steel template 1 in the length direction is provided with a pair of second angle steels 5 which are parallel to each other, one second angle steel 5 is arranged at the bottom of each shaping steel template 1, the other second angle steel 5 is arranged at the top of each shaping steel template 1, each second angle steel 5 is attached to the vertical flange of each shaping steel template 1, the upper layer and the lower layer of first angle steel 2 are fixed at the middle position of an arc-shaped bulge of each shaping steel template 1, the first angle steel on, the lower layer of first angle steel 2 vertically extends to a second angle steel 5 at the bottom of the shaped steel template, a first fixing plate 3 is fixed at one end of the upper layer of first angle steel close to the arc-shaped bulge of the shaped steel template, a first mounting hole 4 is formed at one end of each first angle steel close to the second angle steel, a second mounting hole 6 corresponding to the first angle steel is formed in each second angle steel 5, the first angle steel 2 and the second angle steel 5 are fixed together through a first bolt 7 penetrating through the first mounting hole 4 and the second mounting hole 6, two ends of two second angle steels on the same layer corresponding to each shaped steel template are connected together through a third angle steel 10, a length-direction wood template 13 is further arranged in the length direction of the shaped steel template, the length-direction wood templates 13 are arranged at intervals on one side of the arc-shaped bulge of the shaped steel template, a transverse back-edge arrangement batten 14 is further attached to one side of the length-direction wood template far away from the shaped steel template, one side of the forming steel template in the width direction is attached to an existing guide wall, a wood template in the width direction is attached to the other side of the forming steel template in the width direction, battens arranged in a transverse back ridge manner are also attached to the outer side of the wood template in the width direction, the wood template in the length direction and the wood template in the width direction are both overlapped with the outer edge of the guide wall, the wood template in the length direction, the wood template in the width direction, the existing guide wall and the forming steel template are matched to form a pouring cavity, a plurality of pairs of scaffold tubes with bottom anchored into a foundation are arranged on the wood template in the length direction corresponding to the outer sides of the battens, a counter bolt is arranged at the top of each pair of the scaffold tubes, one end of the counter bolt far away from the scaffold tubes is arranged on a first fixing plate 3, a fixing scaffold tube 17 is attached to the outer side of the battens corresponding to a wood template 13 in the width direction, the bottom of the fixing scaffold tube 17 is anchored into the foundation, ground, the ground anchor scaffold tube 18 and the fixing scaffold tube 17 are fixedly connected through the inclined bracing scaffold tube 19. And after the guide wall template system is erected, casting guide wall concrete in the casting cavity 20, dismantling all components of the guide wall template system after the guide wall concrete in the casting cavity 20 reaches the form removal strength, and moving to the next section of guide wall position to repeat the construction.
The third angle steel is vertical to the second angle steel, the two ends of the third angle steel are respectively provided with a third mounting hole 8, the second angle steel positioned at the two sides of the third angle steel is respectively provided with a fourth mounting hole 11 matched with the third mounting hole,
and second fixing plates 9 are fixed at two ends of the second angle steel positioned on the upper layer, end part split bolts are installed on the second fixing plates 9, end part scaffold tubes are fixed at the other ends of the end part split bolts, and the other ends of the end part scaffold tubes are anchored into a foundation.
The length of the ground anchor scaffold tube is smaller than that of the fixed scaffold tube. The working principle is as follows: according to the invention, the continuous semicircular shaped steel template 1 with flanges on the periphery is manufactured by adopting the shaped steel template on the inner side of the guide wall according to the specification of the secant pile and the height of the guide wall, the first angle steel 2 is welded on the flanges on the upper side and the lower side of the central point of each semicircular radian of the shaped steel template 1, the first fixing plate 3 is welded at one end, close to the flange, of the first angle steel 2, the first mounting hole 4 is formed in the horizontal section at the other end of the first angle steel 2, and the shaped steel template 1 on the inner side of the guide wall is placed according to the position of the secant pile, so that the problem of the forming quality of the guide wall concrete caused by different degrees of template system deviation generated when the wood template is supported in the engineering is solved, and meanwhile; the upper end and the lower end of the length direction of the two side shaping steel templates 1 are respectively provided with a second angle steel 5, the second angle steel 5 is provided with a second mounting hole 6 at the horizontal section corresponding to the position of the first mounting hole 4, the first bolt 7 is used for connecting the first angle steel 2 with the second angle steel 5 through the first mounting hole 4 and the second mounting hole 6, the vertical section of the second angle steel 5 is abutted against the vertical flange of the shaping steel template 1, the horizontal section is provided with a third mounting hole 8 at equal intervals along the length direction of the second angle steel 5, a second fixing plate 9 is welded on the second angle steel 5 at one side of the poured guide wall, third angle steels 10 are arranged at equal intervals along the length direction of the second angle steel 5, the horizontal section of the third angle steel 10 is provided with a fourth mounting hole 11 corresponding to the position of the third mounting hole 8, the second bolt 12 is used for connecting the second angle steel 5 with the third angle steel 10 through the third mounting hole 8 and the fourth mounting hole 11, thereby effectively supporting and reinforcing the shaping templates, meanwhile, the angle steel is connected with the angle steel through bolts, so that the angle steel is convenient to mount, dismount and move, and the construction efficiency is improved; through laying plank sheathing 13 along the outside control line of guide wall, plank sheathing 13 is stupefied with the horizontal back of flitch 14, the outside of guide wall length direction flitch 14 corresponds first fixed plate 3 and second fixed plate 9 position and respectively places two scaffold tubes 15, the ground is gone into in the anchor of scaffold tube 15 bottom, the top links to each other with first fixed plate 3 and second fixed plate 9 respectively through split bolt 16, guide wall minor face direction is according to template length place the single fixed scaffold tube 17 of bottom anchor income soil body in the flitch 14 outside, the ground anchor scaffold tube 18 of shorter length is placed to fixed scaffold tube 17 outside certain distance, it is connected to one side with fixed scaffold tube 17 top and ground anchor scaffold tube 18 bottom to draw to one side with bracing scaffold tube 19, make the whole template system of guide wall firm reliable, construction convenience is swift, and the construction progress is accelerated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a wall template is led to secant pile concrete guide wall usefulness which characterized in that: the steel formwork comprises a pair of shaped steel formworks in a continuous semicircular structure, wherein one side of the circle center of each shaped steel formwork is oppositely arranged on a foundation at intervals, one side of each shaped steel formwork, which is close to the circle center of the semicircular structure, is provided with a pair of second angle steels which are parallel to each other along the length direction of the shaped steel formworks, one second angle steel is arranged at the bottom of each shaped steel formwork, the other second angle steel is arranged at the top of each shaped steel formwork, each second angle steel is attached to each shaped steel formwork, an upper layer and a lower layer of first angle steel are fixed at the middle position of the arc bulge of each shaped steel formwork, the first angle steel at the upper layer vertically extends to the second angle steel at the top of each shaped steel formwork, the first angle steel at the lower layer vertically extends to the second angle steel at the bottom of each shaped steel formwork, a first fixing plate is fixed at one end, which is close to the arc bulge of each shaped steel formwork, one end, which is close, the second angle steel is provided with a second mounting hole corresponding to the first angle steel, the first angle steel and the second angle steel are fixed together through a first bolt penetrating through the first mounting hole and the second mounting hole, two ends of two second angle steels on the same layer corresponding to each shaping steel template are connected together through third angle steel, the length direction of each shaping steel template is also provided with a wood template in the length direction, the wood templates in the length direction are arranged on one side of an arc bulge of the shaping steel template at intervals, one side of the wood template in the length direction, which is far away from the shaping steel template, is also provided with battens in transverse dorsal arris arrangement, one side of the shaping steel template in the width direction is attached to an existing guide wall, the other side of the shaping steel template in the width direction is provided with a wood template in the width direction, the outer side of the wood template in the width direction is also attached with battens in transverse dorsal arris arrangement, the wood templates in the length direction and the wood templates in the width direction are both coincided with the, length direction's plank sheathing, width direction's plank sheathing, it forms to pour the chamber to have lead wall and design steel form cooperation to form, length direction's plank sheathing corresponds the flitch outside and is provided with the scaffold pipe that a plurality of bottom anchors go into the anchor and go into the ground, scaffold pipe installs at the top to the stay bolt, the one end of keeping away from scaffold pipe to the stay bolt is installed on first fixed plate, the flitch outside subsides that width direction's plank sheathing corresponds are equipped with fixed scaffold pipe, ground is gone into to fixed scaffold socle portion anchor, fixed scaffold pipe is kept away from flitch one side interval and is set up ground anchor scaffold pipe, ground anchor scaffold pipe and fixed scaffold pipe pass through bracing scaffold pipe fixed connection.
2. The guide wall template for the secant pile concrete guide wall according to claim 1, wherein: the third angle steel is perpendicular to the second angle steel, third mounting holes are formed in the two ends of the third angle steel respectively, and fourth mounting holes matched with the third mounting holes are formed in the second angle steel located on the two sides of the third angle steel respectively.
3. The guide wall template for the secant pile concrete guide wall according to claim 1, wherein: and second fixing plates are fixed at two ends of the second angle steel positioned on the upper layer, end part split bolts are installed on the second fixing plates, end part scaffold tubes are fixed at the other ends of the end part split bolts, and the other ends of the end part scaffold tubes are anchored into the foundation.
4. The guide wall template for the secant pile concrete guide wall according to claim 1, wherein: the length of the ground anchor scaffold tube is smaller than that of the fixed scaffold tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851333.0A CN112049126A (en) | 2020-08-21 | 2020-08-21 | Wall guide template for secant pile concrete guide wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851333.0A CN112049126A (en) | 2020-08-21 | 2020-08-21 | Wall guide template for secant pile concrete guide wall |
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| Publication Number | Publication Date |
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| CN112049126A true CN112049126A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010851333.0A Pending CN112049126A (en) | 2020-08-21 | 2020-08-21 | Wall guide template for secant pile concrete guide wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260998A (en) * | 2021-12-27 | 2022-04-01 | 苏州新城万斯达住宅工业有限公司 | Formwork supporting process for preformed hole of bottom mould of concrete prefabricated part |
-
2020
- 2020-08-21 CN CN202010851333.0A patent/CN112049126A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260998A (en) * | 2021-12-27 | 2022-04-01 | 苏州新城万斯达住宅工业有限公司 | Formwork supporting process for preformed hole of bottom mould of concrete prefabricated part |
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