CN102626946A - Manufacture method for concrete irregular fender post - Google Patents

Manufacture method for concrete irregular fender post Download PDF

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Publication number
CN102626946A
CN102626946A CN2012100580188A CN201210058018A CN102626946A CN 102626946 A CN102626946 A CN 102626946A CN 2012100580188 A CN2012100580188 A CN 2012100580188A CN 201210058018 A CN201210058018 A CN 201210058018A CN 102626946 A CN102626946 A CN 102626946A
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CN
China
Prior art keywords
fender post
preparation
pile
concrete
stake
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Pending
Application number
CN2012100580188A
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Chinese (zh)
Inventor
程伟明
高军峰
杨末丽
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JIAXING ZHONGZHENG PILE INDUSTRY Co Ltd
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JIAXING ZHONGZHENG PILE INDUSTRY Co Ltd
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Priority to CN2012100580188A priority Critical patent/CN102626946A/en
Publication of CN102626946A publication Critical patent/CN102626946A/en
Pending legal-status Critical Current

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Abstract

The invention provides a manufacture method for a concrete irregular fender post, which belongs to the field of building and particularly relates to a fender post used for retaining soil and water and applied to a deep base pit project. The novel concrete irregular fender post is provided with a reserved hole. The cross section of a novel concrete maintaining post is approximately in a shape of a parallelogram, two semi-circular grooves are arranged on one inclined side, and two semi-circular protruding ribs are arranged on the other inclined side. The novel concrete irregular fender post is a prefabricated post, is good in compaction, anti-permeability and lateral pressure resisting capacity, and does not need repairing. The novel concrete irregular fender post is simple in construction method, connection between posts is compact, time is saved, labor is saved, a construction cycle is short, and a water retaining and soil retaining effect is better.

Description

A kind of preparation method of concrete profiled fender post
Technical field
The present invention relates to a kind of preparation method of fender post, particularly relate to a kind of preparation method who has the fluted fender post with fin of preformed hole and hypotenuse.
Background technology
Along with the exploitation that urbanization is built, City Underground Transportation and skyscraper are in constantly development construction, and the deep-foundation pit engineering construction increases gradually, in construction, runs into various engineering accidents unavoidably, leaks like the pit maintenance soil structure etc.The enclosed structure engineering is progressive very fast on worker's method in recent years, and not surprising on sealing, some worker's method is because service condition is difficult to grasp, and risk is bigger.Traditional deep basal pit processing has been used a lot of years in engineering, along with using more and more widely, shortcoming also comes out thereupon, and like long construction period, impermeability is poor, maintenance bothers etc., and construction costs is higher.For different soil layers, general foundation pit enclosure structure mainly contains diaphram wall, artificial digging pile, cast-in-situ bored pile, impact holing bored concrete pile, the stake of SMW worker's method, deep layer stirring concrete earth enclosure wall and steel sheet pile etc.
Diaphram wall; Be applicable to full water soft stratum, like full water sand bed, saturated soft mud etc., effectively blocking groundwater and structure are comparatively stable for diaphram wall in this type of soil layer; But its cost is very high; Be applicable to municipal key project, the construction of the closed width of cloth diaphragm wall of a width of cloth in the end generally all the phenomenon of caving in can occur simultaneously.Artificial digging pile, cast-in-situ bored pile and impact holing bored concrete pile all are to adopt the campshed piling wall to realize keeping off soil and waterproof, realize the maintenance of foundation ditch, but it are not suitable for deep-foundation pit engineering; Because its quality control is unstable, and finedraw should not be controlled between stake, causes the soil erosion phenomenon easily; Particularly high water level bury matter is regional; Need take suitable working measure with solution dash problem according to engineering specifications, and need and enclose wingceltis twenty percent integral body through stake apical cap beam between stake and the stake, relative globality be relatively poor.The stake of SMW worker's method is the stiffness material that in cement mixing method, inserts H shaped steel or other kind; Come the bending resistance of refinforced cement soil mixing pile, shear resistance; Though it is few that this method than construction of diaphragm wall rapid speed, is taken up an area of, the relative fender post of its construction costs is higher; Steel using amount is big, and construction technology is complicated.Deep layer stirring concrete earth enclosure wall have the dual-use function that keeps off soil, sealing, but its displacement is relatively large, especially when foundation ditch length is big, and when cement-soil stirring pile construction, will note preventing to influence surrounding environment.Steel sheet pile is a kind of underground enclosed structure stake of using always, though bearing capacity is high, the stake footpath is less, is not suitable for the deep basal pit maintenance engineering, and its construction costs is high, and quantities is big, and keeping off native load performance and sealing effect does not have fender post good.
Summary of the invention
The present invention solves above-mentioned technical problem through following technical proposals: a kind of new concrete abnormity fender post of the present invention; Wherein said fender post cross section is a parallelogram roughly; There is a groove two sides; One side is a fin, and groove and fin place can be provided with waterstop, and is provided with preformed hole near the groove and is used for slip casting.
For interior sky is circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the centrifugal mold that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in the steel reinforcement cage for preparing on the mould and tighten drawing device;
(4), prepare high performance concrete, and, reinforcing bar is carried out preparatory stretch-draw by the performances such as bending resistance of its product with in its feeding punching block, reach locking behind the required value, anchoring; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position, can pre-buried sealing rod like the needs sealing rod;
(6), punching block is put into carried out on the centrifuge pouring out surplus slurry after centrifugal;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
For solid and interior sky is not circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the core vibrating mould that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in steel reinforcement cage on the mould and tighten drawing device;
(4), reinforcing bar is carried out preparatory stretch-draw, reach locking behind the required value, anchoring by the performances such as bending resistance of its product; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position, can pre-buried sealing rod like the needs sealing rod;
(6), prepare high performance concrete, and, start vibrations equipment simultaneously with in its feeding punching block, vibrate, closely knit;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
The implementation method and the parameter of the above-mentioned hollow dress and the preparation method's of solid pile single step technology all are to innovate at existing the technical of mature technology.
Appeal steam curing is carried out as follows: the fender post after the cast left standstill 2-4 hour, and programming rate is 10-30 ℃/h, and constant temperature phase temperature range is 55-85 ℃, and constant temperature time 8-12 hour, cooling rate was 10-30 ℃/h.
The present invention can utilize conventional construction of prefabricated piles method, and preferred following mode is carried out installation:
(1), utilize barricade to squeeze into method: at first carry out barricade in the both sides that needs are squeezed into fender post, the barricade middle ware is apart from for to be a bit larger tham the width of fender post size, and the end from barricade during construction begins to squeeze into first pile; In first pile when construction,, pile body surface has 3 pasting barricade and bury, and one side should use interim baffle plate to fix in addition; Make this stake with the desired angle pile, safeguard the construction of stake thereafter, utilize the both sides retaining wall and and a concavo-convex combination of facing; Add the fixing of interim baffle plate simultaneously; Pile sinking equally smoothly after treating fender post all construction finishing, carries out slip casting through preformed hole as requested.
(2), all utilize interim baffle plate to fix and progressively squeeze into all fender posts.
Two kinds of above-mentioned construction methods can adopt static pressure method, vibratory drilling method, water jetting pile sinking, if can guarantee under the situation of construction quality, have under the effect of sealing rod at groove and fin; Can guarantee to analyze between stake and can not leak; Can play the native waterproof effect of retaining, if under the situation that construction quality can't guarantee, groove and slit, fin junction are bigger; The DeGrain that sealing rod played can carry out slip casting through near the preformed hole the groove and realize waterproof action.
Above-mentioned fender post is a plain concrete pile.
Above-mentioned fender post is the prestressed reinforced concrete stake.
Above-mentioned fender post is the nonprestressed reinforcement concrete-pile.
Positive progressive effect of the present invention is: the preparation method of concrete profiled fender post provided by the invention has the following advantages:
1, fender post of the present invention is a prefabricated pile, and its density, impermeability, lateral pressure resistant power and shear resistance are better, need not maintenance;
2, the present invention constructs simply, and is time saving and energy saving, short construction period, and it is good to keep off native waterproof action, cheap;
3, the invention belongs to streamline production, technology maturation, quality is secure, and convenient transportation, and construction noise is low, can not produce the byproduct of contaminated environment such as mud, cement mortar;
4, the present invention is because of the interlock of fluted and fin, and overall structure stability is better.
Description of drawings
Fig. 1 is the cross sectional representation of solid pile of the present invention.
Fig. 2 is the hollow circular cross sectional representation of the present invention.
Fig. 3 is the hollow parallelogram shaped cross section sketch map of the present invention.
Fig. 4 is the amalgamation cross sectional representation of solid pile of the present invention.
Fig. 5 is the amalgamation cross sectional representation of the hollow circle of the present invention.
Fig. 6 is the amalgamation cross sectional representation of the hollow parallelogram of the present invention.
Fig. 7 is for receiving the simple and easy sketch map of cross section of horizontal force after the amalgamation of the present invention.
Fig. 8 is the stereogram of solid pile of the present invention.
Fig. 9 is the hollow circular stereogram of the present invention.
Figure 10 is the hollow parallelogram stereogram of the present invention.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
For the object of the invention and effect are had more clearly understanding, contrast description of drawings practical implementation method of the present invention at present.
For interior sky is circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the centrifugal mold that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in the steel reinforcement cage for preparing on the mould and tighten drawing device;
(4), prepare high performance concrete, and, reinforcing bar is carried out preparatory stretch-draw by the performances such as bending resistance of its product with in its feeding punching block, reach locking behind the required value, anchoring; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position;
(6), punching block is put into carried out on the centrifuge pouring out surplus slurry after centrifugal;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
For solid and interior sky is not circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the core vibrating mould that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in steel reinforcement cage on the mould and tighten drawing device;
(4), reinforcing bar is carried out preparatory stretch-draw, reach locking behind the required value, anchoring by the performances such as bending resistance of its product; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position;
(6), prepare high performance concrete, and, start vibrations equipment simultaneously with in its feeding punching block, vibrate, closely knit;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
Described steam curing is carried out as follows: the fender post after the cast left standstill 2-4 hour, and programming rate is 10-30 ℃/h, and constant temperature phase temperature range is 55-85 ℃, and constant temperature time 8-12 hour, cooling rate was 10-30 ℃/h.
Fig. 1, Fig. 2, Fig. 3 are that Fig. 8, Fig. 9, Figure 10 are stereograms of the present invention according to the cross-sectional view of the prepared product that comes out of appeal preparation method of the present invention.
According to factors such as place, construction costs, can select following mode to carry out construction of the present invention:
(1), directly squeezes into method: after at first first pile being squeezed into according to the tram; Second pile utilizes the groove of pile body side or the fin of the fin and first pile or the guidance quality of groove to squeeze into smoothly; Thereafter stake basis is squeezed into quadrat method one by one, and can let each adjacent studs accomplish tight connection, treats that the whole constructions of fender post finish; Carry out slip casting through preformed hole as requested, make stake tightr with the stake connecting portion.
(2), utilize barricade to squeeze into method: at first carry out barricade in the both sides that needs are squeezed into fender post, the barricade middle ware is apart from for to be a bit larger tham the width of fender post size, and the end from barricade during construction begins to squeeze into first pile; In first pile when construction,, pile body surface has 3 pasting barricade and bury, and one side should use interim baffle plate to fix in addition; Make this stake with the desired angle pile, safeguard the construction of stake thereafter, utilize the both sides retaining wall and and a concavo-convex combination of facing; Add the fixing of interim baffle plate simultaneously; Pile sinking equally smoothly after treating fender post all construction finishing, carries out slip casting through preformed hole as requested.
(3), all utilize interim baffle plate to fix and progressively squeeze into all fender posts.
In the above, according to Fig. 1, Fig. 2, shown in Figure 3, numbering 1 is a preformed hole; Be used to the grouting behind shaft or drift lining of constructing, concrete quantity is good with 2, and numbering 2 is 2 grooves in inclined-plane of the present invention; This place can be according to design and the pre-buried in the preparation spill sealing rod of construction requirement, and numbering 3 is 2 fins on another inclined-plane of the present invention, also can be according to design and the pre-buried in the preparation figure sealing rod of construction requirement; Numbering 2 and 3 places are provided with sealing rod, can play effective sealing effect.In addition, the present invention can carry out different changes according to different requirement, as: when the geology condition better; Water level is lower, when moisture content is less, and under the situation that guarantees construction quality; Can select number of not being on the permanent staff 2 and the pre-buried sealing rod in numbering 3 places; Only finish the back in the fender post construction and carry out slip casting through preformed hole 1, perhaps the pre-buried sealing rod at 2 and 3 places does not only carry out slip casting; And if some geological conditions is relatively poor, moisture content is bigger, when needing better stagnant water effect, can carry out pre-buried sealing rod and slip casting is carried out simultaneously, can effectively guarantee the waterproof action of retaining wall.
Fig. 4 is the cross sectional representation of solid pile of the present invention after the construction amalgamation, and Fig. 5 is the cross sectional representation of amalgamation behind the hollow circular pile driving construction of the present invention, and Fig. 6 is the cross sectional representation of amalgamation behind the hollow parallelogram pile driving construction of the present invention; The simple and easy sketch map of cross section when Fig. 7 receives horizontal force for the present invention constructs after the amalgamation is shown in figure, when fender post is accomplished construction; Excavation of foundation pit simultaneously is through with; At this moment, fender post A, B, C receive the horizontal force 7,8,9 of meeting native face direction, and this moment is because of factor affecting such as water level, geology, load sizes; Horizontal force difference in size can occur at 7,8,9 places; At fender posts such as common circle or regular square, this moment can be because receive horizontal force not of uniform size and the excessive enclosed structure that occurs of single pile bearing horizontal force occurs and destroy, and causes serious problems such as leak then.And characteristics of the present invention are; When horizontal force shown in Fig. 77,8,9 varies in size, between stake and the stake because inclined-plane upper groove and the interlock of fin and the interaction on inclined-plane and inclined-plane, thereby the feasible row of putting in order fender post is to become an overall structure; Globality is very good; The Guan Liang that must design in the time of can omitting with artificial digging pile, cast-in-situ bored pile, impact holing bored concrete pile as fender post, thus reached time saving and energy saving, greatly reduce the construction costs of fender post.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention, and under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications; These variations and improvement all fall in the scope of the invention that requires protection, and the present invention requires protection domain to be defined by appending claims and equivalent thereof.

Claims (7)

1. the preparation method of a concrete profiled fender post, it is characterized in that: said preparation method carries out as follows:
For interior sky is circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the centrifugal mold that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in the steel reinforcement cage for preparing on the mould and tighten drawing device;
(4), prepare high performance concrete, and, reinforcing bar is carried out preparatory stretch-draw by the performances such as bending resistance of its product with in its feeding punching block, reach locking behind the required value, anchoring; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position;
(6), punching block is put into carried out on the centrifuge pouring out surplus slurry after centrifugal;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
For solid and interior sky is not circular stake, and its preparation method is:
(1), preparation reinforcement cage skeleton;
(2), the core vibrating mould that is complementary of preparation, and in mould, coat the isolation lubricant;
(3), be installed in steel reinforcement cage on the mould and tighten drawing device;
(4), reinforcing bar is carried out preparatory stretch-draw, reach locking behind the required value, anchoring by the performances such as bending resistance of its product; Do not carry out stretch-draw for what have a prestressing force requirement;
(5) set the preformed hole position;
(6), prepare high performance concrete, and, start vibrations equipment simultaneously with in its feeding punching block, vibrate, closely knit;
(7), the demoulding after the steam curing;
(8), the finished product after the demoulding stacks by the hardening of cement requirement, carries out natural curing or water curing by the hardening of cement requirement.
Described steam curing is carried out as follows: the fender post after the cast left standstill 2-4 hour, and programming rate is 10-30 ℃/h, and constant temperature phase temperature range is 55-85 ℃, and constant temperature time 8-12 hour, cooling rate was 10-30 ℃/h.
2. the preparation method of concrete profiled fender post according to claim 1, it is characterized in that: the construction method of described fender post comprises:
(1), directly squeezes into method: after at first first pile being squeezed into according to the tram; Second pile utilizes the groove of pile body side or the fin of the fin and first pile or the guidance quality of groove to squeeze into smoothly; Thereafter stake basis is squeezed into quadrat method one by one, and can let each adjacent studs accomplish tight connection, treats that the whole constructions of fender post finish; Carry out slip casting through preformed hole as requested, make stake tightr with the stake connecting portion;
(2), utilize barricade to squeeze into method: at first carry out barricade in the both sides that needs are squeezed into fender post, the barricade middle ware is apart from for to be a bit larger tham the width of fender post size, and the end from barricade during construction begins to squeeze into first pile; In first pile when construction,, pile body surface has 3 pasting barricade and bury, and one side should use interim baffle plate to fix in addition; Make this stake with the desired angle pile, safeguard the construction of stake thereafter, utilize the both sides retaining wall and and a concavo-convex combination of facing; Add the fixing of interim baffle plate simultaneously; Pile sinking equally smoothly after treating fender post all construction finishing, carries out slip casting through preformed hole as requested;
(3), all utilize interim baffle plate to fix and progressively squeeze into all fender posts.
3. the preparation method of concrete profiled fender post according to claim 1, it is characterized in that: described fender post can be plain concrete pile, prestressed reinforced concrete stake, nonprestressed reinforcement concrete-pile.
4. the preparation method of concrete profiled fender post according to claim 1 is characterized in that: be provided with the slip casting preformed hole of 2 symmetries in the described fender post, and its position is near 2 acute angle places of four sides formation.
5. the preparation method of concrete profiled fender post according to claim 1, it is characterized in that: described fender post is hollow or solid.
6. the preparation method of concrete profiled fender post according to claim 1 is characterized in that: wherein fluted on one side on described fender post two hypotenuses, Yi Bian fin is arranged in addition, groove and fin are shaped as triangle, square or circular arc.
7. the preparation method of concrete profiled fender post according to claim 1 is characterized in that: on groove on described fender post two hypotenuses and the fin sealing rod is set.
CN2012100580188A 2012-03-07 2012-03-07 Manufacture method for concrete irregular fender post Pending CN102626946A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612165A (en) * 2015-02-06 2015-05-13 上海城地建设股份有限公司 Non-fusion welded multi-section connected prefabricate reinforced concrete component assembly enclosure system and construction method thereof
CN106013055A (en) * 2016-07-19 2016-10-12 周兆弟 Right-angle pile and fender pile structure
CN106836126A (en) * 2016-12-07 2017-06-13 孟展 New water and soil conservation protecting tube
CN113211598A (en) * 2021-05-28 2021-08-06 天津三建建筑工程有限公司 Prefabricated assembly type concrete equipment foundation module, mold and manufacturing and mounting method

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Publication number Priority date Publication date Assignee Title
CN2260103Y (en) * 1996-08-05 1997-08-20 郭同元 Pile
CN1193675A (en) * 1997-03-19 1998-09-23 沈海晏 Underground walls for cast-in-situ concrete piles and constructioning process therefor
CN1954982A (en) * 2005-10-28 2007-05-02 上海中技桩业发展有限公司 Method for manufacturing prestressed high strength pile material
CN101509252A (en) * 2009-03-13 2009-08-19 从卫民 Special-shaped concrete pipe
CN101544022A (en) * 2009-04-15 2009-09-30 李国华 Preparation method for preformed hole fender pile
KR100936668B1 (en) * 2008-05-15 2010-01-14 재단법인 포항산업과학연구원 A composite pile for earth retaining wall and centrifugal force type earth retaining wall using it
CN101812840A (en) * 2010-04-23 2010-08-25 上海中技桩业股份有限公司 U-shaped concrete slab pile
CN201738299U (en) * 2010-08-05 2011-02-09 上海中技桩业股份有限公司 Foundation pile
CN301642628S (en) * 2011-05-05 2011-08-10 上海中技桩业股份有限公司 Hollow square pile with concave-convex groove (zj11a04)
CN102359112A (en) * 2011-07-22 2012-02-22 中铁第四勘察设计院集团有限公司 Method for bracing foundation pit by using steel box piles

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2260103Y (en) * 1996-08-05 1997-08-20 郭同元 Pile
CN1193675A (en) * 1997-03-19 1998-09-23 沈海晏 Underground walls for cast-in-situ concrete piles and constructioning process therefor
CN1954982A (en) * 2005-10-28 2007-05-02 上海中技桩业发展有限公司 Method for manufacturing prestressed high strength pile material
KR100936668B1 (en) * 2008-05-15 2010-01-14 재단법인 포항산업과학연구원 A composite pile for earth retaining wall and centrifugal force type earth retaining wall using it
CN101509252A (en) * 2009-03-13 2009-08-19 从卫民 Special-shaped concrete pipe
CN101544022A (en) * 2009-04-15 2009-09-30 李国华 Preparation method for preformed hole fender pile
CN101812840A (en) * 2010-04-23 2010-08-25 上海中技桩业股份有限公司 U-shaped concrete slab pile
CN201738299U (en) * 2010-08-05 2011-02-09 上海中技桩业股份有限公司 Foundation pile
CN301642628S (en) * 2011-05-05 2011-08-10 上海中技桩业股份有限公司 Hollow square pile with concave-convex groove (zj11a04)
CN102359112A (en) * 2011-07-22 2012-02-22 中铁第四勘察设计院集团有限公司 Method for bracing foundation pit by using steel box piles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612165A (en) * 2015-02-06 2015-05-13 上海城地建设股份有限公司 Non-fusion welded multi-section connected prefabricate reinforced concrete component assembly enclosure system and construction method thereof
CN106013055A (en) * 2016-07-19 2016-10-12 周兆弟 Right-angle pile and fender pile structure
CN106836126A (en) * 2016-12-07 2017-06-13 孟展 New water and soil conservation protecting tube
CN113211598A (en) * 2021-05-28 2021-08-06 天津三建建筑工程有限公司 Prefabricated assembly type concrete equipment foundation module, mold and manufacturing and mounting method

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Application publication date: 20120808