CN108340331A - A kind of assembled steel deposits beam pedestal - Google Patents

A kind of assembled steel deposits beam pedestal Download PDF

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Publication number
CN108340331A
CN108340331A CN201810039714.1A CN201810039714A CN108340331A CN 108340331 A CN108340331 A CN 108340331A CN 201810039714 A CN201810039714 A CN 201810039714A CN 108340331 A CN108340331 A CN 108340331A
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CN
China
Prior art keywords
steel
pedestal
prefabricated
layer
prefabricated steel
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Pending
Application number
CN201810039714.1A
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Chinese (zh)
Inventor
邓海
梁甜甜
李晓永
刘昶宏
孙少明
解梦飞
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Shijiazhuang Tiedao University
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Shijiazhuang Tiedao University
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Priority to CN201810039714.1A priority Critical patent/CN108340331A/en
Publication of CN108340331A publication Critical patent/CN108340331A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments

Abstract

The present invention relates to a kind of assembled steels to deposit beam pedestal, it is made of the pre-manufactured steel component assembly of three kinds of specifications, all prefabricated steel members include concave upper surface, evagination lower surface and concave or convex side, its indent and concave portion are frustum shape, the indent and concave portion of different prefabricated steel members correspond cooperation, to which multiple prefabricated steel member upper and lower, left and right are stitched together, and form top layer, middle layer and bottom;Middle layer and the good prefabricated steel member of the left and right split of bottom, which are respectively adopted, to be eliminated stress bright steel wire and carries out prestressed stretch-draw along pre-manufactured steel surface member width direction, and both ends are anchored with anchorage;Rubber support is provided between beam body and pedestal top layer, top layer pre-manufactured steel component inside is arranged at intervals with ribbed stiffener.The generalization of structural elements can be achieved in the present invention, realizes that the batch production for depositing beam pedestal, the material that beam pedestal is deposited in raising are used in turn rate, saves beam field production cost.

Description

A kind of assembled steel deposits beam pedestal
Technical field
The present invention relates to a kind of assembled steels to deposit beam pedestal, specifically passes through the prefabricated steel member of several specifications Assembly realizes the factorial praluction for depositing beam pedestal, and then improves the materials'use turnover rate for depositing beam pedestal.Belong to Structural Engineering neck Domain.
Background technology
With the large-scale infrastructure construction in China, the structure all constructed using cast-in-place mode can not pursue the epoch Trend, the bearing capacity and performance of fabricated construction are no less than cast-in-place structural, and short construction period, are increasingly becoming the modern times The preferred manner of engineering.24m the and 32m prestressed concrete box girders of high-speed rail bridge are needed according to certain specification in precast beam field Centralized production, it is indispensable facility to deposit beam pedestal.The design for depositing beam pedestal will directly affect the quality of top prefabricated case beam, final shadow Ring the performance of entire high-speed rail bridge structure.In current precast beam field, concrete is mostly used greatly and deposits beam pedestal, can not be repeated Use, it is costly, also have certain destruction to environment so that it is novel deposit beam pedestal develop into possibility.Steel construction goes out It is now that this problem brings solution, beam pedestal is deposited while meeting requirement for bearing capacity using assembled steel, it can be real The generalization of existing structural elements, prepositionization of production, and reduce the destruction to environment.
Invention content
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of assembled steels to deposit beam pedestal, By the assembly of prefabricated steel member, the requirement of current engineering can be met.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions:
A kind of assembled steel deposits beam pedestal, and the assembled steel is deposited beam pedestal and spelled by the prefabricated steel member of three kinds of specifications Dress composition, the respectively first prefabricated steel member, the second prefabricated steel member and the prefabricated steel member of third;All prefabricated steel members Include concave upper surface, evagination lower surface and concave or convex side, indent and concave portion are frustum shape, no Indent and concave portion with prefabricated steel member correspond cooperation, thus by the multiple first prefabricated steel members, the second pre-manufactured steel Component and the prefabricated steel member upper and lower, left and right of third are stitched together;Wherein, two the first prefabricated upper and lower splits of steel member Form top layer;Two the first prefabricated left and right splits of steel member of one the second prefabricated steel member and arranged on left and right sides setting are formed Middle layer;The prefabricated steel member of one third and two the second prefabricated steel members of arranged on left and right sides setting or so split form bottom Layer;Middle layer and the good prefabricated steel member of the left and right split of bottom are respectively adopted that eliminate stress bright steel wire wide along prefabricated steel member It spends direction and carries out prestressed stretch-draw, both ends are anchored with anchorage, to ensure to deposit the good stress performance of beam pedestal horizontal direction, are made each Prefabricated steel member is integrally formed, cooperates;Rubber support, top layer pre-manufactured steel component inside are provided between beam body and pedestal top layer It is arranged at intervals with ribbed stiffener.
Further, the height of the described first prefabricated steel member, the second prefabricated steel member and the prefabricated steel member of third is equal For 500mm, width is respectively 600mm, 1200mm, 1800mm, and length is 8500mm, the steel of the prefabricated steel member of three kinds of specifications Plate thickness is 20-30mm.
Further, frustum back cut diameter is 45-55mm, and frustum lower port diameter is 25-35mm, and frustum height is 45- 55mm。
Further, a diameter of 18-22mm of the elimination stress bright steel wire.
Further, a plurality of elimination stress bright steel wire of every layer of setting divides two rows, and with indent and concave portion Interval setting.
Further, the ribbed stiffener is welded in pre-manufactured steel component inside, thickness 20-25mm, spacing 180- 220mm, and each pre-manufactured steel component inside at least 3 ribbed stiffeners.
Further, pedestal bottom is set on ground, and ground need to ensure ground when using subsoil or composite foundation Bearing capacity fakReach 180kPa;When ground uses pile foundation, it is desirable that pile foundation vertical bearing capacity Ra≥7200kN。
Compared with the existing technology, the present invention has the following technical effect that:
1. this method makes assembled steel deposit beam pedestal and is easy to assembled and accurate positioning by neighbouring concave-convex combination; It is combined by the bumps of left and right side, vertical shear can be resisted;It can realize that assembled steel is deposited by the tensioning of deformed bar The horizontal loading of beam pedestal transmits.
2. this method is easy to operate, easy for construction, by the assembly of prefabricated steel member, it can be achieved that depositing the generalization of beam pedestal And batch production, improve construction efficiency.
Description of the drawings
Fig. 1 is that assembled steel deposits beam pedestal entirety side view;
Fig. 2 is that assembled steel deposits beam pedestal entirety elevation;
Fig. 3 is that assembled steel deposits beam caisson platform precasting steel member vertical view;
Fig. 4 is that assembled steel deposits beam caisson platform precasting steel member elevation.
In figure, the first prefabricated steel members of 1-;The second prefabricated steel members of 2-;The prefabricated steel member of 3- thirds;4- concave upper surfaces; 5- evaginations lower surface;6- concave or convexs side;7- top layers;8- middle layers;9- bottoms;10- eliminates stress bright steel wire;11- Anchoring;12- beam bodies;13- rubber supports;14- ribbed stiffeners;15- grounds.
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figs 1-4, a kind of assembled steel of the invention deposits beam pedestal, by the pre-manufactured steel component assembly of three kinds of specifications Composition, the respectively first prefabricated steel member 1, the second prefabricated steel member 2 and the prefabricated steel member of third 3.First prefabricated steel member 1, the height of the second prefabricated steel member 2 and the prefabricated steel member of third 3 is 500mm, and width is respectively 600mm, 1200mm, 1800mm, length are 8500mm, and the steel plate thickness of the prefabricated steel member of three kinds of specifications is 25mm.As shown in figure 4, all Prefabricated steel member includes concave upper surface 4, evagination lower surface 5 and concave or convex side 6, and indent and concave portion are equal For frustum shape, frustum back cut diameter is 50mm, and frustum lower port diameter is 30mm, and frustum height is 50mm.As shown in Figs. 1-2, The indent and concave portion of different prefabricated steel members correspond cooperation, to which the multiple first prefabricated steel members 1, second are prefabricated Steel member 2 and prefabricated 3 upper and lower, left and right of steel member of third are stitched together.Wherein, two the first prefabricated steel members 1 are upper and lower Split forms top layer 7, and two the first prefabricated steel members 1 that a second prefabricated steel member 2 and arranged on left and right sides are arranged are left and right Split forms two the second prefabricated steel members 2 or so of middle layer 8, the prefabricated steel member 3 of a third and arranged on left and right sides setting Split forms bottom 9.As shown in Fig. 2, middle layer 8 and the good prefabricated steel member of 9 left and right split of bottom be respectively adopted it is a diameter of The elimination stress bright steel wire 10 of 20mm carries out prestressed stretch-draw along pre-manufactured steel surface member width direction, and both ends anchor 11 with anchorage, To ensure to deposit the good stress performance of beam pedestal horizontal direction, each prefabricated steel member is made to be integrally formed, cooperate.Every layer of setting A plurality of elimination stress bright steel wire 10 divide two rows, and be arranged with indent and concave portion interval.As shown in Fig. 2, beam body Rubber support 13 is provided between 12 and pedestal top layer 7, top layer pre-manufactured steel component inside is arranged at intervals with ribbed stiffener 14, ribbed stiffener 14 It is welded in pre-manufactured steel component inside, thickness 25mm, spacing 200mm, and each pre-manufactured steel component inside there are 4 or 5 to add Strength rib 14.Pedestal bottom 9 is set on ground 15, need to ensure foundation bearing energy when ground 15 is using subsoil or composite foundation Power fakReach 180kPa;When ground 15 is using pile foundation, it is desirable that pile foundation vertical bearing capacity Ra≥7200kN。
Above-described embodiment, which is intended merely to become apparent from, illustrates that technical scheme of the present invention made enumerates, not to the present invention's It limits, those skilled in the art also exist to the accommodation of herein described technical solution according to the common knowledge of this field Within the application protection domain, in short, above-described embodiment is only to enumerate, the protection domain of the application is with the appended claims institute It states subject to range.

Claims (7)

1. a kind of assembled steel deposits beam pedestal, it is characterised in that:The assembled steel deposits beam pedestal by the pre- of three kinds of specifications Steel member processed is assemblied to form, the respectively first prefabricated steel member (1), the second prefabricated steel member (2) and the prefabricated steel member of third (3);All prefabricated steel members include concave upper surface (4), evagination lower surface (5) and concave or convex side (6), Indent and concave portion are frustum shape, and the indent and concave portion of different prefabricated steel members correspond cooperation, thus will Multiple first prefabricated steel members (1), the second prefabricated steel member (2) and the prefabricated steel member of third (3) upper and lower, left and right split exist Together;Wherein, the upper and lower split of two the first prefabricated steel members (1) forms top layer (7);One the second prefabricated steel member (2) and Two the first prefabricated left and right splits of steel member (1) of arranged on left and right sides setting form middle layer (8);One prefabricated steel member of third (3) and two the second prefabricated steel member (2) left and right splits of arranged on left and right sides setting form bottom (9);Middle layer (8) and bottom The good prefabricated steel member of layer (9) left and right split, which is respectively adopted, eliminates stress bright steel wire (10) along pre-manufactured steel surface member width direction Prestressed stretch-draw is carried out, both ends anchor (11) with anchorage, to ensure to deposit the good stress performance of beam pedestal horizontal direction, make each pre- Steel member processed is integrally formed, cooperates;Rubber support (13) is provided between beam body (12) and pedestal top layer (7), top layer is prefabricated Ribbed stiffener (14) is arranged at intervals with inside steel member.
2. a kind of assembled steel according to claim 1 deposits beam pedestal, it is characterised in that:The first prefabricated steel member (1), the height of the second prefabricated steel member (2) and the prefabricated steel member of third (3) is 500mm, and width is respectively 600mm, 1200mm, 1800mm, length are 8500mm, and the steel plate thickness of the prefabricated steel member of three kinds of specifications is 20-30mm.
3. a kind of assembled steel according to claim 1 deposits beam pedestal, it is characterised in that:Frustum back cut diameter is 45- 55mm, frustum lower port diameter are 25-35mm, and frustum height is 45-55mm.
4. a kind of assembled steel according to claim 1 deposits beam pedestal, it is characterised in that:The elimination stress plain bar Silk (10) a diameter of 18-22mm.
5. a kind of assembled steel according to claim 4 deposits beam pedestal, it is characterised in that:The a plurality of elimination of every layer of setting Stress bright steel wire (10) divides two rows, and is arranged with indent and concave portion interval.
6. a kind of assembled steel according to claim 1 deposits beam pedestal, it is characterised in that:Ribbed stiffener (14) welding In pre-manufactured steel component inside, thickness 20-25mm, spacing 180-220mm, and each pre-manufactured steel component inside at least 3 Ribbed stiffener (14).
7. a kind of assembled steel according to claim 1 deposits beam pedestal, it is characterised in that:Pedestal bottom (9) is set to On ground (15), ground (15) need to ensure foundation capability f when using subsoil or composite foundationakReach 180kPa;Ground When base (15) uses pile foundation, it is desirable that pile foundation vertical bearing capacity Ra≥7200kN。
CN201810039714.1A 2018-01-16 2018-01-16 A kind of assembled steel deposits beam pedestal Pending CN108340331A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112045841A (en) * 2020-08-28 2020-12-08 中铁三局集团有限公司 Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam
CN112045840A (en) * 2020-08-28 2020-12-08 中铁三局集团有限公司 Construction method of assembly type beam storage pedestal for prefabricating high-speed railway box beam

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112045841A (en) * 2020-08-28 2020-12-08 中铁三局集团有限公司 Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam
CN112045840A (en) * 2020-08-28 2020-12-08 中铁三局集团有限公司 Construction method of assembly type beam storage pedestal for prefabricating high-speed railway box beam

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Application publication date: 20180731