CN204780883U - Prefab with hollow structure - Google Patents

Prefab with hollow structure Download PDF

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Publication number
CN204780883U
CN204780883U CN201520393383.3U CN201520393383U CN204780883U CN 204780883 U CN204780883 U CN 204780883U CN 201520393383 U CN201520393383 U CN 201520393383U CN 204780883 U CN204780883 U CN 204780883U
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pile
pile body
section
hollow structure
hollow
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周兆弟
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Abstract

The utility model belongs to the technical field of the building trade prefab, a prefab with hollow structure is related to. The problem of the insecure technique of prior art is solved. It includes the pile body, the pile body in be equipped with with pile body fixed connection's steel reinforcement cage, the pile body in hollow body still has, its characterized in that, thereby the tip of the sealed tip that makes hollow body in the both ends of hollow body and pile body between form the solid pile. The utility model discloses the tip is firm, connects conveniently the overall arrangement of the connecting piece of being convenient for.

Description

There is the prefabricated component of hollow structure
Technical field
The utility model belongs to building trade prefabricated component technical field, relates to a kind of preformed pile, particularly relates to a kind of prefabricated component with hollow structure.
Background technology
Because the quality stability of tube-sinking cast-in-situ pile is relatively poor, in recent years, precast prestressed concrete stake obtains swift and violent development.In piling process, will need according to different the stake selecting different length, this just needs between stake and stake by being interconnected the pile body forming longer length.Existing prefabricated component normally makes of centrifugal forming, columniform hollow structure can be formed in centrifugal process in the middle of pile body, this hollow structure runs through whole pile body, and when the end of pile body is interconnected, hollow structure can cause the weakened of link.
Chinese patent literature discloses in a kind of hollow pile [application number: 200810060180.7], being made by reinforced concrete is used in civil engineering, there is the body in axial direction extended, comprising: interior pile body, be entrenched in the inner side of whole body along described shaft length direction; At least two through holes, run through along described axial direction and are evenly arranged in described interior pile body; At least two support columns, are evenly arranged on the outer edge of described interior pile body, extend along described length direction; And pile foundation body, the bullet comprising the linkage unit for connecting described support column and extend on described axial direction.
The hollow pile that such scheme the utility model provides, there are three manholes in axial direction run through and be evenly arranged in interior pile body, instead of a through hole, the cross section solved when stake is larger, when the aperture of through hole is inevitable also correspondingly large, make difficulty, cost of manufacture high, make the defects such as length consuming time.But the program also has limitation, technique effect as the program sayed, this hollow pile is arranged on the pile foundation body of the bottom of hollow pile, enhances the sinking performance of hollow pile thus solves the problem that conventional hollow stake not easily sinks, further enhancing the intensity of hollow pile.In conjunction with the Figure of description of the program, we can know, wherein one end of this hollow pile is still hollow-core construction, can not form solid construction, and the program is not suitable for the connection between pile body.
Utility model content
The purpose of this utility model is for the problems referred to above, provides the prefabricated component with hollow structure that a kind of fastness is high.
For achieving the above object, the utility model have employed following technical proposal: a kind of prefabricated component with hollow structure, comprise pile body, the reinforcing cage be fixedly connected with pile body is provided with in described pile body, also there is hollow body in described pile body, it is characterized in that, the two ends of described hollow body seal thus make to form solid pile between the end of hollow body and the end of pile body.
Have in the prefabricated component of hollow structure above-mentioned, the two ends of described hollow body are respectively equipped with the baffle plate that one piece of cross section is greater than hollow body cross section, and the cross section of this baffle plate is less than the cross section of reinforcing cage thus makes baffle plate be positioned at reinforcing cage inside, this baffle plate is fixedly connected with pile body.
Have in the prefabricated component of hollow structure above-mentioned, be circumferentially with some the connection straps be fixedly connected with pile body on described baffle plate and along baffle plate, the plane residing for described baffle plate and reinforcing cage radial parallel.
Have in the prefabricated component of hollow structure above-mentioned, the cross section of described pile body is quadrangle, polygon or circle.
Have in the prefabricated component of hollow structure above-mentioned, described pile body comprises some interconnective heavy in section stakes and small bore stake, and described heavy in section stake and small bore stake are respectively quadrangle, polygon or circle.
Have in the prefabricated component of hollow structure above-mentioned, described heavy in section stake and small bore stake are quadrangle, and described heavy in section stake is connected by non-uniform pile transition with the junction of small bore stake.
Have in the prefabricated component of hollow structure above-mentioned, described heavy in section stake is connected by the sloping non-uniform pile transition of tool with the junction of small bore stake, and the cross section of described non-uniform pile is quadrangle.
Have in the prefabricated component of hollow structure above-mentioned, described pile body two ends and be positioned on solid pile and be also provided with concavo-convex chuck mechanism, when two adjacent pile bodies are close to each other, described concavo-convex chuck mechanism can allow a pile body be inserted in another pile body thus two pile bodies are connected and coordinate.
Have in the prefabricated component of hollow structure above-mentioned, described concavo-convex chuck mechanism comprise be arranged on pile body one end solid pile on and to the concave station of this solid pile inner recess, also comprise be arranged on the pile body other end solid pile on and the boss protruded to this solid pile outside, described concave station and the shape of boss, size match, when two pile bodies are close to each other, the boss on a pile body to be inserted in the concave station on another pile body thus to form snap-fit engagement.
Have in the prefabricated component of hollow structure above-mentioned, the helical spiral reinforcement that described reinforcing cage comprises some longitudinal reinforcements and is fixedly connected with longitudinal reinforcement, described pile body two ends and be positioned on solid pile and be fixed with some tension nuts, the two ends of described longitudinal reinforcement are provided with the pier nose that external diameter is greater than longitudinal reinforcement, pier nose is positioned at tension nut and tension nut can block pier nose, the bottom of described tension nut reduces the chuck being formed and can block pier nose, described tension nut distributes uniformly around concave station or boss interval, and tension nut entirety is positioned at solid pile inside, trumpet-shaped connector is formed between the oral area of described tension nut and the end of pile body, described pile body two ends are enclosed with angle protection cover, and the pile body angle protection cover width had on concave station one end is greater than the degree of depth of concave station.
Compared with prior art, the utility model has the advantage of:
1, the hollow body of prior art normally axially runs through whole pile body, the two ends of pile body are for placing connecting elements, because pile body end is hollow-core construction, this just makes the layout of the connecting elements at pile body two ends be restricted, in addition, the intensity of pile body end is also affected, the structure that the utility model adopts pile body boring, two ends solid, both improve pile body end intensity, and be also convenient to arrange connecting elements in pile body end.
2, concavo-convex chuck mechanism is convenient to make two pile bodies firmly connect fast when lower stake, and angle protection cover strengthens the intensity of junction, further increases the application life of bonding strength and pile body;
3, heavy in section stake and small bore stake make pile body surface present concaveconvex structure, thus improve anti-pulling capacity and the Compressive Bearing Capacity of pile body, prove through test, the anti-pulling capacity of the pile body that the pile body specific surface of concaveconvex structure is smooth improves more than 70%, and Compressive Bearing Capacity improves more than 20% than smooth pile body;
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides;
Fig. 2 is the another kind of structural representation that the utility model provides;
Fig. 3 is that the A of Fig. 1 is to structural representation;
Fig. 4 is that the another kind of A of Fig. 1 is to structural representation;
Fig. 5 is that the another kind of A of Fig. 1 is to structural representation;
Fig. 6 is that the another kind of A of Fig. 1 is to structural representation;
Fig. 7 is that the another kind of A of Fig. 1 is to structural representation;
Fig. 8 is the B place enlarged drawing of Fig. 1;
Fig. 9 is the C-C cross-sectional schematic along the line of Fig. 2;
Figure 10 is the another kind of C-C cross-sectional schematic along the line of Fig. 2;
Figure 11 is the another kind of C-C cross-sectional schematic along the line of Fig. 2;
Figure 12 is the another kind of C-C cross-sectional schematic along the line of Fig. 2.
In figure: pile body 10, hollow body 11, heavy in section stake 12, small bore stake 13, non-uniform pile 14, slope 15, angle protection cover 16, reinforcing cage 20, longitudinal reinforcement 21, spiral reinforcement 22, pier nose 23, baffle plate 30, connection strap 31, concavo-convex chuck mechanism 40, concave station 41, boss 42, tension nut 50, chuck 51, connector 52, solid pile 100.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As depicted in figs. 1 and 2, a kind of prefabricated component with hollow structure, comprise pile body 10, the reinforcing cage 20 be fixedly connected with pile body 10 is provided with in described pile body 10, the helical spiral reinforcement 22 that reinforcing cage 20 comprises some longitudinal reinforcements 21 and is fixedly connected with longitudinal reinforcement 21, reinforcing cage 20 is for strengthening the intensity of pile body 10, in described pile body 10, also there is hollow body 11, the two ends of described hollow body 11 seal thus make to form solid pile 100 between the end of the end of hollow body 11 and pile body 10, that is, solid pile 100 is a wherein part for pile body 10, hollow body 11 is positioned in the middle of two solid piles 100, in solid pile 100, also there is reinforcing cage 20, but the bonding strength of solid pile 100 is greater than the intensity that centre has the pile body 10 of hollow body 11.
The formation of hollow body 11, normally in centrifugal stake process processed, by the effect of centrifugal force, makes the concrete of pile body 10 inside move toward pile body 10 edge and forms hollow structure formation; Also can by imbedding hollow section in advance in pile body 10, it is inner that hollow section is positioned at reinforcing cage 20, then formed the pile body 10 with hollow body 11 by vibrating forming.
In order to be formed in the Packed structure of hollow body 11 two ends tool, the present embodiment have employed following method, the two ends of hollow body 11 are respectively equipped with the baffle plate 30 that one piece of cross section is greater than hollow body 11 cross section, shown in composition graphs 9, Figure 10, Figure 11 and Figure 12, the cross section of this baffle plate 30 is less than the cross section of reinforcing cage 20 thus makes baffle plate 30 be positioned at reinforcing cage 20 inside, this baffle plate 30 is fixedly connected with pile body 10, when making pile body 10, calculated in advance can go out the diameter of hollow body 11, thus select suitable baffle plate 30.The shape of baffle plate 30 can be rectangle, circle, polygon or other shapes, but must seal the cross section of hollow body 11 completely.Preferred version, be circumferentially with some the connection straps 31 be fixedly connected with pile body 10 on baffle plate 30 and along baffle plate 30, the Main Function of connection strap 31 is fixed dam 30 positions in reinforcing cage 20, connection strap 31 can weld with reinforcing cage 20 to be formed and fix, also can be hang on reinforcing cage 20 with hook, namely pile body 10 is fixed on inner after pile body 10 is shaping, certainly, also first connection strap 31 can be fixedly connected with pile body shaping mould in manufacturing process, plane residing for baffle plate 30 and reinforcing cage 20 radial parallel, connection strap 31 can be positioned at pile body 10, also pile body 10 edge can be extended to, even extend pile body 10, and extend pile body 10 part and can excise when post-production makes and also can not excise.
The effect of baffle plate 30 is inner for cutting off pile body 10, thus make to form closed hollow body 11 between two pieces of baffle plates 30, after centrifugal forming, the two ends of baffle plate 30 all can form hollow structure, at this moment the hollow structure place between pile body 10 end and baffle plate 30 is needed to insert filler, filler be concrete, cement paste, sandstone slurry or other can the material of curing moldings as epoxy resin etc., when namely forming solid pile 100 with pile body 10 after filler solidification.
Pile body 10 can be various shape, and in the present embodiment, the cross section of pile body 10 is quadrangle, polygon or circle.Pile body 10 shown in Fig. 3 and Fig. 7 is regular hexagon stake, pile body 10 shown in Fig. 4 is cylindrical stake, pile body 10 as shown in 5 and Fig. 6 is rectangular pile, namely square pile, wherein 4 seamed edges of square pile can independently arrange chamfering or all arrange chamfering separately as required, collide for preventing the damage caused.In order to improve the uplift resistance of pile body 10, pile body 10 comprises some interconnective heavy in section stakes 12 and small bore stake 13, and described heavy in section stake 12 and small bore stake 13 are respectively quadrangle, polygon or circle.
Preferred version, heavy in section stake 12 and small bore stake 13 are quadrangle, and that is heavy in section stake 12 and small bore stake 13 are square pile, thus when equal area sectional area the girth of increasing section, strengthen the contact area with soil layer, thus improve uplift resistance.Heavy in section stake 12 is connected by non-uniform pile 14 transition with the junction of small bore stake 13.Preferred version, heavy in section stake 12 is connected by non-uniform pile 14 transition with slope 15 with the junction of small bore stake 13, and the cross section of described non-uniform pile 14 is quadrangle.The gradient on slope 15 can do corresponding adjustment according to during not the coexisting and make of soil property, and slope 15 is linearly, is convenient to make and lower stake, and certain slope 15 also can make negative camber or positive camber or spirality etc. into.
Pile body 10 two ends and be positioned on solid pile 100 and be also provided with concavo-convex chuck mechanism 40, when two adjacent pile bodies 10 are close to each other, described concavo-convex chuck mechanism 40 can allow a pile body 10 be inserted in another pile body 10 thus two pile bodies 10 are connected and coordinate.
Concavo-convex chuck mechanism 40 comprise be arranged on pile body 10 one end solid pile 100 on and to the concave station 41 of this solid pile 100 inner recess, also comprise be arranged on pile body 10 other end solid pile 100 on and the boss 42 protruded to this solid pile 100 outside, described concave station 41 and the shape of boss 42, size matches, boss 42 and concavo-convex 41 is preferably truncated cone, also can be triangle, quadrangle, polygon, quincunx etc., boss 42 is as shown in Figure 3 and Figure 4 truncated cone, boss shown in Fig. 5 is square bucking ladder, boss 42 shown in Fig. 6 is cylindrical, boss 42 shown in Fig. 7 is positive hexagonal prism.When two pile bodies 10 are close to each other, the boss 42 on a pile body 10 to be inserted in the concave station 41 on another pile body 10 thus to form snap-fit engagement.
Pile body 10 two ends and be positioned on solid pile 100 and be fixed with some tension nuts 50, the two ends of described longitudinal reinforcement 21 are provided with the pier nose 23 that external diameter is greater than longitudinal reinforcement 21, and pier nose 23 is positioned at tension nut 50 and tension nut 50 can block pier nose 23.
The bottom of tension nut 50 reduces the chuck 51 being formed and can block pier nose 23, described tension nut 50 distributes uniformly around concave station 41 or boss 42 interval, that is tension nut 50 is located at the outside of concave station 41 or boss 42, do not affect the connection to concave station 41 and boss 42, and the shape that tension nut 50 distributes end shape that is usual and pile body 10 adapts, also namely when the end of pile body 10 is rounded, then tension nut 50 distributes ringwise, when the end of pile body 10 is rectangular, the then rectangular distribution of tension nut 50, when end as pile body 10 is hexagon, then tension nut 50 distribution in hexagon, by that analogy.Do not collide when two pile bodies 10 dock to protect tension nut 50; it is inner that tension nut 50 entirety is positioned at solid pile 100; trumpet-shaped connector 52 is formed between the oral area of described tension nut 50 and the end of pile body 10; can connector be inserted in connector 52, thus two pile bodies 10 are reinforced the connection.
In order to protect the two ends of pile body 10; pile body 10 two ends are enclosed with angle protection cover 16; and pile body 10 angle protection cover 16 width had on concave station 41 one end is greater than the degree of depth of concave station 41, this angle protection cover 16 can adopt metal material to make, and usually should form closed circular structure around the end of pile body 10.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as pile body 10, hollow body 11, heavy in section stake 12, small bore stake 13, non-uniform pile 14, slope 15, angle protection cover 16, reinforcing cage 20, longitudinal reinforcement 21, spiral reinforcement 22, pier nose 23, baffle plate 30, connection strap 31, concavo-convex chuck mechanism 40, concave station 41, boss 42, tension nut 50, chuck 51, connector 52, solid pile 100 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (10)

1. one kind has the prefabricated component of hollow structure, comprise pile body (10), the reinforcing cage (20) be fixedly connected with pile body (10) is provided with in described pile body (10), in described pile body (10), also there is hollow body (11), it is characterized in that, the two ends of described hollow body (11) seal thus make to form solid pile (12) between the end of the end of hollow body (11) and pile body (10).
2. the prefabricated component with hollow structure according to claim 1, it is characterized in that, the two ends of described hollow body (11) are respectively equipped with the baffle plate (30) that one piece of cross section is greater than hollow body (11) cross section, and the cross section of this baffle plate (30) is less than the cross section of reinforcing cage (20) thus makes baffle plate (30) be positioned at reinforcing cage (20) inside, this baffle plate (30) is fixedly connected with pile body (10).
3. the prefabricated component with hollow structure according to claim 2, it is characterized in that, described baffle plate (30) is upper and be circumferentially with some the connection straps (31) be fixedly connected with pile body (10) along baffle plate (30), the described plane residing for baffle plate (30) and reinforcing cage (20) radial parallel.
4. the prefabricated component with hollow structure according to claim 1 or 2 or 3, is characterized in that, the cross section of described pile body (10) is polygon or circle.
5. the prefabricated component with hollow structure according to claim 4, it is characterized in that, described pile body (10) comprises some interconnective heavy in section stakes (12) and small bore stake (13), and described heavy in section stake (12) and small bore stake (13) are respectively polygon or circle.
6. the prefabricated component with hollow structure according to claim 5, it is characterized in that, described heavy in section stake (12) and small bore stake (13) are quadrangle, and described heavy in section stake (12) is connected by non-uniform pile (14) transition with the junction of small bore stake (13).
7. the prefabricated component with hollow structure according to claim 6, it is characterized in that, described heavy in section stake (12) is connected by non-uniform pile (14) transition with slope (15) with the junction of small bore stake (13), and the cross section of described non-uniform pile (14) is quadrangle.
8. the prefabricated component with hollow structure according to claim 1 or 2 or 3, it is characterized in that, described pile body (10) two ends and be positioned on solid pile (12) and be also provided with concavo-convex chuck mechanism (40), when two adjacent pile bodies (10) are close to each other, described concavo-convex chuck mechanism (40) can allow a pile body (10) be inserted in another pile body (10) thus two pile bodies (10) are connected and coordinate.
9. the prefabricated component with hollow structure according to claim 8, it is characterized in that, it is upper and to the concave station (41) of this solid pile (12) inner recess that described concavo-convex chuck mechanism (40) comprises the solid pile (12) being arranged on pile body (10) one end, also comprise the solid pile (12) being arranged on pile body (10) other end to go up and the boss (42) protruded to this solid pile (12) outside, described concave station (41) and the shape of boss (42), size matches, when two pile bodies (10) are close to each other, boss (42) on one pile body (10) to be inserted in the concave station (41) on another pile body (10) thus to form snap-fit engagement.
10. the prefabricated component with hollow structure according to claim 9, it is characterized in that, the helical spiral reinforcement (22) that described reinforcing cage (20) comprises some longitudinal reinforcements (21) and is fixedly connected with longitudinal reinforcement (21), described pile body (10) two ends and be positioned on solid pile (12) and be fixed with some tension nuts (50), the two ends of described longitudinal reinforcement (21) are provided with the pier nose (23) that external diameter is greater than longitudinal reinforcement (21), pier nose (23) is positioned at tension nut (50) and tension nut (50) can block pier nose (23), the bottom of described tension nut (50) reduces the chuck (51) that formation can block pier nose (23), described tension nut (50) distributes uniformly around concave station (41) or boss (42) interval, and tension nut (50) entirety is positioned at solid pile (12) inside, trumpet-shaped connector (52) is formed between the oral area of described tension nut (50) and the end of pile body (10), described pile body (10) two ends are enclosed with angle protection cover (16), and pile body (10) angle protection cover (16) width had on concave station (41) one end is greater than the degree of depth of concave station (41).
CN201520393383.3U 2015-06-09 2015-06-09 Prefab with hollow structure Active CN204780883U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040685A (en) * 2015-06-09 2015-11-11 周兆弟 Prefabricated member with hollow structure
CN108724452A (en) * 2017-04-25 2018-11-02 周兆弟 prefabricated centrifugal pile production method
CN108927892A (en) * 2017-05-25 2018-12-04 周兆弟 Prefabricated pile production method
CN111335302A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040685A (en) * 2015-06-09 2015-11-11 周兆弟 Prefabricated member with hollow structure
WO2016197596A1 (en) * 2015-06-09 2016-12-15 周兆弟 Prefabricated member having hollow structure
CN105040685B (en) * 2015-06-09 2017-10-03 周兆弟 Prefabricated component with hollow structure
CN108724452A (en) * 2017-04-25 2018-11-02 周兆弟 prefabricated centrifugal pile production method
CN108927892A (en) * 2017-05-25 2018-12-04 周兆弟 Prefabricated pile production method
CN111335302A (en) * 2020-03-26 2020-06-26 许顺良 Prefabricated building structure

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