CN106121269B - A kind of construction method for reinforcing the Split form of square section pile - Google Patents

A kind of construction method for reinforcing the Split form of square section pile Download PDF

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Publication number
CN106121269B
CN106121269B CN201610711960.8A CN201610711960A CN106121269B CN 106121269 B CN106121269 B CN 106121269B CN 201610711960 A CN201610711960 A CN 201610711960A CN 106121269 B CN106121269 B CN 106121269B
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CN
China
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bolt
hole
capital
pillar
standard
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CN201610711960.8A
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Chinese (zh)
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CN106121269A (en
Inventor
王伟
卢锡雷
孙炎云
李娜
梁超锋
余恒杰
沈明
沈一明
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绍兴文理学院
浙江天工建设集团有限公司
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Priority to CN201610711960.8A priority Critical patent/CN106121269B/en
Publication of CN106121269A publication Critical patent/CN106121269A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings

Abstract

The invention discloses a kind of construction methods for reinforcing the Split form of square section pile, it is characterised in that including:Standard form section, capital moulding plate node, fastening bolt connect plate.Neighbouring two layers of template is staggeredly docked, and a part of the template as ruggedized construction is no longer removed after construction.The characteristics of template can be prefabricated with batch production, also serves as cylinder load-carrying members, has dead weight small, and intensity is high, good integrity, suitable for rehabilitation and safeguards old building, can simplify construction technology, shorten the construction period, adaptable.

Description

A kind of construction method for reinforcing the Split form of square section pile

Technical field:

The present invention relates to a kind of Split forms and its construction method for reinforcing square section pile, belong to civil engineering Subject technical field of construction.

Background technology:

With the development of the times, people propose building in safety, applicability and durability etc. higher It is required that original construction standards and industry rule are constantly adjusted and have been changed, then, how economically and quickly to reinforce and Safeguard that old building becomes a building field major subjects urgently to be resolved hurrily instantly.

Reinforcing to original pillar is one of the key link that old building is reinforced and safeguarded;Its reinforcement means is typically Additional bar, and casting concrete reinforcing layer are set in original pillar surrounding, to increase the forced area and cylindrical material of pillar Intensity.The complicated link such as formwork supporting plate, form removal is needed in work progress.After cylinder is reinforced, also its outside is further made Decorations are constructed.In contrast, that there are construction spaces is narrow, template installation difficulty is big, construction technology for the reinforcing of such pillar The key technical problems such as complicated, the duration is longer, influence normal use.

Invention content:

In consideration of it, the present invention develops a kind of Split form and its construction method for reinforcing square section pile.It is applicable in It in rehabilitation and safeguards old building, construction technology can be simplified, shortened the construction period, it is adaptable.

In order to achieve the above objectives, solution of the invention is:

A kind of Split form for reinforcing square section pile, which is characterized in that including:Standard form section, capital mould Plate section, fastening bolt, connection plate, the standard form section, capital moulding plate node are all using the precast light with recessed section Concrete test block is assembled, and the section after standard form section, capital moulding plate node assembly is identical as pillar sectional dimension after reinforcing, It is connected by fastening bolt between standard form section, capital moulding plate node and pillar.

Be further disposed in:

The standard form section is concave cross section, is equipped with splicing hole at recess both ends, two standard form sections pass through company Plugboard and splicing hole, composition one are identical rectangular with pillar sectional dimension after reinforcing.

The standard form section, recess both ends be all provided with there are three splice hole;One is equipped among the back side of standard form section A bolt hole, bolt hole with fastening bolt for connecting;The length of side of the back side long side length of standard form section and pillar after reinforcing Identical, the bond length of both sides is equal to the half of the pillar length of side after reinforcing.

The capital moulding plate node, including common capital template, pour with capital template, the common capital template and is poured It is L shape to build with capital template, common capital template and pour with the both sides edge lengths of capital template with pillar after reinforcing The length of side it is identical, after docking constitute one with reinforce after pillar sectional dimension it is identical rectangular, pouring use capital template on A side be equipped with plug hole, hole sealing plate is adapted with plug hole.

The common capital template and pour with capital template, be all equipped on two side can pass perpendicularly through upper layer and The bolt hole of two fastening bolts of lower layer, wherein:Described to pour with capital template, the bolt hole not set on the side of plug hole is set It is lower layer's bolt hole at the centre of form of the side;Bolt hole on side equipped with plug hole is set to the position of form center of hole sealing plate On, it is upper layer bolt hole;It bolt hole on described two sides of common capital template and pours with the bolt hole in the template of capital It is corresponding.

The bolt hole is recessed step type.

The fastening bolt, including bolt mobile jib, interior fastening nut, limit screw cap, outer fastening nut, bolt mobile jib two End is equipped with screw thread, which matches with interior fastening nut, limit screw cap, outer fastening nut;

It is equipped at bolt mobile jib outermost end center and mends slurry mouth, section is arranged between limit screw cap and interior fastening nut 6 circumferential mend starch hole;The duct of unicom is equipped at the center of bolt mobile jib at outermost end to interior fastening nut, slurry mouth is mended in connection Slurry hole is mended with circumferential direction;

Interior fastening nut is located at the most inner side of bolt mobile jib, and one, including main fastening nut, the nut wing is respectively arranged in two side ends Edge and thoroughly slurry hole, fastening bolt is fixed on by main fastening nut and the nut edge of a wing on pillar, in main fastening nut and the nut wing Be symmetrically arranged on edge 6,12 thoroughly slurry holes can make the cement bonded sand in subsequent construction along bolt mobile jib direction unicom Slurry is passed into the bolt hole in former pillar, fills the hole on the outside of bolt mobile jib, further reinforces pillar;

Limit screw cap is located at the outside of interior fastening nut, and two side ends are respectively arranged one, can accurately be limited by limit screw cap The installation site of standard form section and capital moulding plate node processed;

Outer fastening nut is located at the outside of limit screw cap, and two side ends are respectively arranged one, outer fastening nut and bolt hole phase Match, the position of standard form section and capital moulding plate node can be accurately controlled after installation fastening, ensures the section ruler of cylinder after reinforcing It is very little.

The thickness of the standard form section and capital moulding plate node is 0.5cm~1.0cm, standard form section and capital template The single-unit height of section, between 0.2m~0.4m.

The present invention also provides a kind of construction methods for reinforcing the Split form of square section pile, which is characterized in that Include the following steps:

The first step, it would be desirable to which the pillar removing surface of reinforcing installs longitudinal reinforcement and stirrup by Design of Reinforcement requirement;

Second step calculates the position of the fastening bolt on pillar, and drill bolt hole, adjacent bolt hole according to construction requirement It is mutually perpendicular to, which is slightly larger than the diameter of bolt mobile jib;Top end need to be drilled with two rows of mutually perpendicular bolts hole, i.e., corresponding In the lower layer's bolt hole and upper layer bolt hole of capital moulding plate node;

Third walks, and since column bottom, the installation bolt mobile jib on the bolt hole of pillar screws on interior fastening successively at its both ends Nut and limit screw cap make bolt mobile jib closely be connect with pillar by adjusting interior fastening nut, by adjusting two thereon Limit screw cap determines the spatial position of standard form section;

4th step, the standard form section of installation pillar two sides make bolt mobile jib pass through the bolt hole of standard form section, and Both sides standard form section is tentatively connected by connecting plate so that the matching of splicing hole combines;The outer fastening of fastening bolt is installed Nut, tightening makes the standard form section of both sides fix and combine closely;

5th step repeats third and walks the~the four step, assembled standard form section is docked successively from the bottom up, until the top column The position of top template section, the bolt hole position of the installation direction and pillar preboring of two layers adjacent of standard form section of short transverse Match, i.e., two layers adjacent of mounting surface direction is mutually perpendicular to;

6th step installs two bolt mobile jibs of capital position successively, is each passed through the two rows of mutually perpendicular spiral shells in top end Keyhole, and interior fastening nut and limit screw cap are screwed on successively at its both ends;

7th step is installed common capital template and is poured with capital template, two bolt mobile jibs of capital position is made to distinguish Across lower layer's bolt hole and upper layer bolt hole, the corresponding two outer fastening nuts of installation lower layer bolt hole, and tighten fixed common It capital template and pours with capital template position;

8th step pours microdilatancy pea gravel concreten and vibration compacting from concrete plug hole;

9th step adjusts the position of upper layer bolt hole corresponding interior fastening nut and limit screw cap at plug hole, in bolt Sealing plate hole is installed on mobile jib, corresponding outer fastening nut is installed, fixed hole sealing plate is tightened;

Tenth step, from high pressure water injection slurry liquid from the benefit of fastening bolt outer end slurry mouth, mending slurry mouth when the upside closed on has water Stop the benefit slurry of fastening bolts when mud is emerged;Along fastening bolt one by one upwards up to top since bottom of the pillar.

11st step handles all outer fastening nuts, ornament materials is used in combination to cover.

The Split form, when template pre-production, steel wire is added in inside, and extexine can be done at carving or spray painting Reason, can tentatively fit up pillar surface, accelerate construction speed;Split form construction period lifting plate acts on, and applies It is no longer removed after work.

The construction method mends and starches mouth, the circumferential unicom effect remedial cementing slurry mended slurry hole, starch hole thoroughly, makes the later stage Reinforced concrete part and former pillar are combined closely, and are enhanced the material of former pillar.

Beneficial effects of the present invention are:

1, the present invention is for reinforcing the Split form of square section pile, and when template pre-production, steel wire is added in inside, Extexine can do carving or spray painting processing, can tentatively be fitted up to pillar surface, accelerate construction speed;

2, Split form of the present invention for reinforcing square section pile, construction period main lifting plate effect, after construction It no longer removes, for the component part of pillar after reinforcing.Split form is assembled by recessed section prefabricated lightweight concrete test block, Every template two sides are docked by plug-in unit and are engaged, and are adjusted by fastening bolt after assembled, fix its spatial position, finally poured It for microdilatancy pea gravel concreten, is starched by fastening screw remedial cementing, keeps the reinforced concrete part in later stage and former pillar close In conjunction with construction technology is succinct, and intensity is high.

3, a kind of Split form and its construction method for reinforcing square section pile of the present invention, template can be with batch production It is prefabricated, cylinder load-carrying members are also served as, there is small, the characteristics of intensity is high, good integrity of conducting oneself with dignity, construction technology is succinct, and process is simple, The duration is saved in one-pass molding.

Below in conjunction with the drawings and specific embodiments, the invention will be further described.

Description of the drawings:

Fig. 1 is the structural schematic diagram of the standard form section of the embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the capital moulding plate node of the embodiment of the present invention;

Fig. 3 is the general illustration of the fastening bolt of the embodiment of the present invention;

Fig. 4 is the structural schematic diagram of the interior fastening nut of the embodiment of the present invention;

Fig. 5 is the connection plate schematic diagram of the embodiment of the present invention;

Fig. 6 is the template assembly general illustration of the embodiment of the present invention

Figure label:1- standard form sections, 11- splice hole, 12- fastening bolt holes;The capitals 2- moulding plate node, the common columns of 21- Top template, 22- are poured with capital template, 23- hole sealing plates, 24- plug holes, 25- lower layers bolt hole, the upper layers 26- bolt hole;3- is tight Fixing bolt, 31- bolt mobile jibs, 311- mend slurry mouth, and 312- circumferential directions, which are mended, starches hole, fastening nut in 32-, 33- limit screw caps, outside 34- Fastening nut, the main fastening nuts of 321-, the 322- nuts edge of a wing, 323- starch hole thoroughly;4- connection plates.

Specific implementation mode:

Embodiment 1:

A kind of Split form for reinforcing square section pile of the present embodiment, as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 It is shown, including:Standard form section 1, capital moulding plate node 2, fastening bolt 3 connect plate 4.

Standard form section 1, be recessed section precast light plate, recess both ends be all provided with there are three splice hole 11;Among its back side If there are one bolts hole 12.The back side long side length of standard form section 1 is identical as the length of side of pillar after reinforcing, the short side of both sides Length is equal to reinforce after the pillar length of side half, after the matching docking of two standard form sections 1, constitute one with reinforce after Pillar sectional dimension is identical rectangular.

The bolt hole 12 is recessed step type, and pre-embedded steel slab is provided with around the template around aperture.

Capital moulding plate node 2, including common capital template 21, pour with capital template 22, the common capital template 21 Be L shape with pouring with capital template 22, common capital template 21 and pour with the both sides edge lengths of capital template 22 with The length of side of pillar is identical after reinforcing, after docking constitute one with reinforcing after pillar sectional dimension it is identical rectangular;Pouring use A side in capital template 22 is equipped with plug hole 24, and hole sealing plate 23 is adapted with plug hole 24.

It the common capital template 21 and pours with capital template 22, being all equipped on two side can pass perpendicularly through The bolt hole of layer and two fastening bolts 3 of lower layer, wherein:It is described to pour with capital template 22, on the side for not setting plug hole 24 Bolt hole 25 be set to the side the centre of form at, be lower layer's bolt hole 25;Bolt hole on side equipped with plug hole 24 is set to It is upper layer bolt hole 26 on the position of form center of hole sealing plate 23;Bolt hole on described 21 two sides of common capital template with pour It builds and uses the bolt hole in capital template 22 corresponding, to ensure that upper and lower two layers of fastening bolt 3 passes through.

The fastening bolt 3, including bolt mobile jib 31, interior fastening nut 32, limit screw cap 33, outer fastening nut 34.

31 both ends of bolt mobile jib are equipped with screw thread, the screw thread and interior fastening nut 32, limit screw cap 33, outer fastening spiral shell Cap 34 matches.

It is equipped at the 31 outermost end center of bolt mobile jib and mends slurry mouth 311, in limit screw cap 33 and interior fastening nut 32 Between section be arranged with 6 and circumferential mend slurry holes 312;Unicom is equipped at bolt mobile jib 31 outermost end to the center of bolt mobile jib 31 Duct, mend slurry mouth 311 and circumferential mend starches hole 312 to connect;

The interior fastening nut 32, in the most inner side of bolt mobile jib 31, one, including main fastening spiral shell is respectively arranged in two side ends Cap 321, the nut edge of a wing 322 and saturating slurry hole 323, fastening bolt 3 are fixed on original by main fastening nut 321 and the nut edge of a wing 322 Have on pillar, 6,12 are symmetrically arranged on main fastening nut 321 and the nut edge of a wing 322 and starches hole 323 thoroughly, along bolt 31 direction unicom of mobile jib can make the cement mortar in subsequent construction be passed into the bolt hole in former pillar, fill bolt master The hole in 31 outside of bar, further reinforces pillar.

The limit screw cap 33, two side ends are respectively arranged one, and limit screw cap 33 is located at the outside of interior fastening nut 32, lead to The installation site of standard form section 1 and capital moulding plate node 2 can accurately be limited by crossing limit screw cap 33.

The outer fastening nut 34, two side ends are respectively arranged one, and outer fastening nut 34 is located at outermost, and thickness is under The ladder molded dimension in concave head bolt hole 12 matches, and the position of standard form section 1 and capital moulding plate node 2 can be accurately controlled after installation fastening It sets, ensures the sectional dimension of cylinder after reinforcing.

The connection plate 4 is rectangular steel plates, 11 Corresponding matching of splicing hole of size and 1 both ends of standard form section. When two standard form sections 1 dock, connection plate 4 is in inside splicing hole 11, plays Primary Location and fastening effect.

The thickness of the standard form section 1 and capital moulding plate node 2 is 0.5cm~1.0cm, preferably 0.6cm.Master die The single-unit height of plate section 1 and capital moulding plate node 2, between 0.2m~0.4m, preferably 0.3m.

Illustrate the construction method of Split form of the present invention below in conjunction with specific embodiment:

If:The pillar height 3.0m to need reinforcement, sectional dimension are 400mm × 400mm;Constant, the section of height after reinforcing Dimension enlargement is 500mm × 500mm;Template by 9 height 0.3m standard form section 1 and a height 0.3m capital template It is assembled to save 2.Template thickness is 0.6cm, and the square length of side formed after formwork is 500mm.Plug hole 24, which is located at, to be poured At the upper limb center of capital template 22, port size is width 200mm × high 150m.Using microdilatancy pea gravel concreten.

A kind of construction method for reinforcing the Split form of square section pile of the present embodiment, includes the following steps:

The first step, it would be desirable to which the pillar removing surface of reinforcing installs longitudinal reinforcement and stirrup by Design of Reinforcement requirement;

Second step calculates the position of the fastening bolt 3 on pillar, and drill bolt hole, adjacent bolt hole according to construction requirement It is mutually perpendicular to, which is slightly larger than the diameter of bolt mobile jib 31;Pair top end need to be drilled with two rows of mutually perpendicular bolts hole, i.e., It should be in the lower layer's bolt hole 25 and upper layer bolt hole 26 of capital moulding plate node 2;

It is computed, is 0.00m with column bottom surface absolute altitude, 1 corresponding bolt duct absolute altitude of standard form section is from bottom to top successively For 0.15m, 0.45m, 0.75m, 1.05m, 1.35m, 1.65m, 1.95m, 2.25m, 2.55m, 2 corresponding bolt of capital moulding plate node Hole absolute altitude is followed successively by 2.85m, 2.925m from bottom to top, and wherein odd indexed duct and even number serial number duct is orthogonal, 2.85m The duct at place corresponds to lower layer's bolt hole 25, and the duct at 2.925m corresponds to upper layer bolt hole 26.

Third walks, and since column bottom, the installation bolt mobile jib 31 on the bolt hole of pillar is screwed on interior tight successively at its both ends Gu nut 32 and limit screw cap 33 make bolt mobile jib 31 closely be connect with former pillar, pass through tune by adjusting interior fastening nut 32 Whole two limit screw caps 33 thereon determine the spatial position of standard form section 1;

4th step, the standard form section 1 of installation pillar two sides, makes bolt mobile jib 31 pass through the bolt of standard form section 1 Hole 12, and tentatively connected both sides standard form section 1 by connecting plate 4 so that the splicing matching of hole 11 combines;Installation fastening spiral shell The outer fastening nut 34 of bolt 3, tightening makes the standard form section 1 of both sides fix and combine closely;

5th step repeats third and walks the~the four step, assembled standard form section 1 is docked successively from the bottom up, until topmost The position of capital moulding plate node 2, the spiro keyhole position of the installation direction and pillar preboring of two layers adjacent of standard form section 1 of short transverse Matching is set, i.e., two layers adjacent of mounting surface direction is mutually perpendicular to;

6th step installs two bolt mobile jibs 31 of capital position, it is mutually perpendicular to be each passed through top end two rows successively Bolt hole, and interior fastening nut 32 and limit screw cap 33 are screwed on successively at its both ends;

7th step is installed common capital template 21 and is poured with capital template 22, makes two bolt mobile jibs of capital position 31 are each passed through lower layer's bolt hole 25 and upper layer bolt hole 26, install 25 corresponding two outer fastening nuts 34 of lower layer's bolt hole, And it tightens fixed common capital template 21 and pours with 22 position of capital template;

8th step pours microdilatancy pea gravel concreten and vibration compacting from concrete plug hole 24;

9th step adjusts the position of upper layer bolt hole 26 corresponding interior fastening nut 32 and limit screw cap 33 at plug hole 24 It sets, hole sealing plate 23 is installed on bolt mobile jib 31, corresponding outer fastening nut 34 is installed, fixed hole sealing plate 23 is tightened;

Tenth step, from high pressure water injection slurry liquid from the benefit of fastening bolt outer end slurry mouth, mending slurry mouth when the upside closed on has water Stop the benefit slurry of fastening bolts when mud is emerged;Along fastening bolt one by one upwards up to top since bottom of the pillar.

11st step handles all outer fastening nuts 34, is covered with ornament materials.

Claims (9)

1. a kind of construction method for reinforcing the Split form of square section pile, which is characterized in that Split form includes: Standard form section, capital moulding plate node, fastening bolt, connection plate, the standard form section, capital moulding plate node, which all use, to be had The prefabricated lightweight concrete test block in recessed section is assembled, behind the section and reinforcing after standard form section, capital moulding plate node assembly Pillar sectional dimension is identical, is connected by fastening bolt between standard form section, capital moulding plate node and pillar;The fastening spiral shell Bolt, including bolt mobile jib, interior fastening nut, limit screw cap, outer fastening nut, bolt mobile jib both ends be equipped with screw thread, the screw thread with Interior fastening nut, limit screw cap, outer fastening nut match;
It is equipped at bolt mobile jib outermost end center and mends slurry mouth, section is arranged with 6 between limit screw cap and interior fastening nut Circumferential direction mends slurry hole;It is equipped with the duct of unicom at bolt mobile jib outermost end to the center of bolt mobile jib, slurry mouth and ring are mended to connect Hole is starched to mending;
Interior fastening nut is located at the most inner side of bolt mobile jib, and two side ends are respectively arranged one, including main fastening nut, the nut edge of a wing and Slurry hole thoroughly, fastening bolt is fixed on by main fastening nut and the nut edge of a wing on pillar, on main fastening nut and the nut edge of a wing Be symmetrically arranged 6,12 slurry holes thoroughly, along bolt mobile jib direction unicom, make cement mortar in subsequent construction pass through into Enter the bolt hole in former pillar, fills the hole on the outside of bolt mobile jib, further reinforce pillar;
Limit screw cap is located at the outside of interior fastening nut, and two side ends are respectively arranged one, master die is accurately limited by limit screw cap The installation site of plate section and capital moulding plate node;
Outer fastening nut is located at the outside of limit screw cap, and two side ends are respectively arranged one, and outer fastening nut matches with bolt hole, peace The position of standard form section and capital moulding plate node is accurately controlled after loading admittedly, ensures the sectional dimension of cylinder after reinforcing;
The construction method of Split form includes the following steps:
The first step, it would be desirable to which the pillar removing surface of reinforcing installs longitudinal reinforcement and stirrup by Design of Reinforcement requirement;
Second step calculates the position of the fastening bolt on pillar, and drill bolt hole, adjacent bolt hole are mutual according to construction requirement Vertically, which is slightly larger than the diameter of bolt mobile jib;Top end need to be drilled with two rows of mutually perpendicular bolts hole, that is, correspond to column The lower layer's bolt hole and upper layer bolt hole of top template section;
Third walks, and since column bottom, the installation bolt mobile jib on the bolt hole of pillar screws on interior fastening nut successively at its both ends And limit screw cap, so that bolt mobile jib is closely connect with pillar by adjusting interior fastening nut, by adjusting two limits thereon Nut determines the spatial position of standard form section;
4th step, the standard form section of installation pillar two sides, makes bolt mobile jib pass through the bolt hole of standard form section, and pass through Connection plate tentatively connects both sides standard form section so that the matching of splicing hole combines;The outer fastening nut of fastening bolt is installed, Tightening makes the standard form section of both sides fix and combine closely;
5th step repeats third and walks the~the four step, assembled standard form section is docked successively from the bottom up, until the top capital mould The position of plate section, the bolt hole location matches of the installation direction and pillar preboring of two layers adjacent of standard form section of short transverse, Two layers i.e. adjacent of mounting surface direction is mutually perpendicular to;
6th step installs two bolt mobile jibs of capital position successively, is each passed through the two rows of mutually perpendicular bolts hole in top end, And interior fastening nut and limit screw cap are screwed on successively at its both ends;
7th step is installed common capital template and is poured with capital template, two bolt mobile jibs of capital position is made to be each passed through Lower layer's bolt hole and upper layer bolt hole, the corresponding two outer fastening nuts of installation lower layer bolt hole, and tighten fixed common capital It template and pours with capital template position;
8th step pours microdilatancy pea gravel concreten and vibration compacting from concrete plug hole;
9th step adjusts the position of upper layer bolt hole corresponding interior fastening nut and limit screw cap at plug hole, in bolt mobile jib Upper installation hole sealing plate installs corresponding outer fastening nut, tightens fixed hole sealing plate;
Tenth step, from high pressure water injection slurry liquid from the benefit of fastening bolt outer end slurry mouth, mending slurry mouth when the upside closed on has cement mortar Stop the benefit slurry of fastening bolts when emerging;Along fastening bolt one by one upwards up to top since bottom of the pillar;
11st step handles all outer fastening nuts, ornament materials is used in combination to cover.
2. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:The standard form section is concave cross section, is equipped with splicing hole at recess both ends, two standard form sections pass through connection Plate and splicing hole, composition one are identical rectangular with pillar sectional dimension after reinforcing.
3. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:The standard form section, recess both ends be all provided with there are three splice hole;Spiral shell there are one being set among the back side of standard form section Keyhole, bolt hole with fastening bolt for connecting;The back side long side length of standard form section is identical as the length of side of pillar after reinforcing, The bond length of its both sides is equal to the half of the pillar length of side after reinforcing.
4. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:The capital moulding plate node, including common capital template, pour with capital template, the common capital template and pours Be L shape with capital template, common capital template and pour with the both sides edge lengths of capital template with pillar after reinforcing The length of side is identical, and composition one is identical rectangular with pillar sectional dimension after reinforcing after docking, is pouring with one in the template of capital Side is equipped with plug hole, and hole sealing plate is adapted with plug hole.
5. a kind of construction method for reinforcing the Split form of square section pile according to claim 4, feature It is:The common capital template and pour with capital template, be all equipped on two side can pass perpendicularly through upper layer and under The bolt hole of two fastening bolt of layer, wherein:Described to pour with capital template, the bolt hole not set on the side of plug hole is set to It is lower layer's bolt hole at the centre of form of the side;Bolt hole on side equipped with plug hole is set on the position of form center of hole sealing plate, For upper layer bolt hole;Bolt hole on described two sides of common capital template with pour it is opposite with the bolt hole in the template of capital It answers.
6. a kind of construction method for reinforcing the Split form of square section pile according to claim 3 or 5, special Sign is:The bolt hole is recessed step type.
7. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:The thickness of the standard form section and capital moulding plate node is 0.5cm~1.0cm, standard form section and capital moulding plate node Single-unit height, between 0.2m~0.4m.
8. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:The Split form, when template pre-production, steel wire is added in inside, and extexine does carving or spray painting processing, energy It is enough that pillar surface is tentatively fitted up, accelerate construction speed;Split form construction period lifting plate acts on, after construction not It removes again.
9. a kind of construction method for reinforcing the Split form of square section pile according to claim 1, feature It is:Remedial cementing slurry is acted on by benefit slurry mouth, the circumferential unicom mended slurry hole, starch hole thoroughly, makes the reinforced concrete part in later stage It combines closely with former pillar, and the material of former pillar is enhanced.
CN201610711960.8A 2016-08-23 2016-08-23 A kind of construction method for reinforcing the Split form of square section pile CN106121269B (en)

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