CN101327620A - Method for manufacturing reverse T shaped plate - Google Patents
Method for manufacturing reverse T shaped plate Download PDFInfo
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- CN101327620A CN101327620A CNA200710200860XA CN200710200860A CN101327620A CN 101327620 A CN101327620 A CN 101327620A CN A200710200860X A CNA200710200860X A CN A200710200860XA CN 200710200860 A CN200710200860 A CN 200710200860A CN 101327620 A CN101327620 A CN 101327620A
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Abstract
The present invention relates to a fabrication method of a reverse T-shaped slab. The fabrication method includes the following steps: (1) a mould (1), reinforcing steel bars (2) and wet concrete material (3) are prepared; (2) the reinforcing steel bars (2) are placed into the mould (1); (3) rotating stripping moulds are arranged in the mould (1) to form draw-out core moulds (4) for the transverse throughholes of a longitudinal rib, or permanent moulds (5) with transverse throughholes, which can form the transverse throughholes of the longitudinal rib, are placed in the mould (1); (4) concrete is casted; (5) maintenance and demoulding. Consequently, when a reinforced concrete ribbed precast slab is fabricated, the concrete slurry is casted into the T-shaped moulds, so that the T-shaped slab can be formed in one step. Moreover, the longitudinal reinforcing steel bars laid in the base slab can enhance the strength of the precast slab. When the fabrication method is adopted to produce the reinforced concrete ribbed precast slab, the whole process is simple and convenient, the period is short, the template can be easily disassembled or can serve as a permanent template, and therefore the purpose of the present invention is achieved.
Description
(1) technical field
The present invention relates to a kind of preparation method of inverted T shaped plate
(2) background technology
At present, the reinforced concrete floor of domestic employing has cast-in-situ floor and precast floor slab, the cast-in-situ floor good integrity, but need on-the-spot formwork, casting concrete then, the construction period difficulty is big, the template loss is big, and cost height, precast floor slab do not need on-the-spot formwork, short construction period, cost is low, but prefabricated components lift difficulty from great, member splicing position easily produces the crack, globality is poor, is ZL0322765.2 as the patent No., name is called a kind of patent of floor spiced by steel reinforced concrete, discloses a kind of reinforced concrete prefabricated components, prefabricated components are by plate, rib constitutes, the hole of wearing reinforcing bar is arranged on the rib, and the thickness of this plate is big, and the reinforcing bar effective depth that is placed in the Cast-in-place concrete is greatly reduced, influence the bidirectional stress balance of floor, be difficult to form equivalent transverse and longitudinal etc.Therefore, develop a kind of preparation method of novel inverted T shaped plate for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of preparation method of inverted T shaped plate, have in light weight, characteristics such as cost is low, intensity is high, simple in structure, easy construction.
The preparation method of this method invention:
1) prepares mould, reinforcing bar, wet concrete material;
2) in mould, place reinforcing bar;
3) rotating stripping demoulding being set in mould constitutes to place in loose core mould or the mould that vertical rib crosses through hole and constitutes the permanent mould that cross through hole is arranged that vertical rib crosses through hole;
4) pour concrete;
5) maintenance, the demoulding.
Like this, when making prefabricated plate for steel concrete with rib, pour concrete slip in T shape mould, make the T shape plate can one-time cast-forming, and, in base plate, also be furnished with longitudinal reinforcement, strengthened the intensity of prefabricated board, when producing prefabricated plate for steel concrete with rib with this preparation method, whole process is simple and convenient, and the cycle is short; And template be easy to the dismounting or as permanent formwork; Thereby reached purpose of the present invention.
The invention is characterized in that reinforcing bar applies prestressing force in mould.Like this, reinforcing bar makes base plate have very good cooperative bearing performance for being applied with prestressed reinforcing bar, has significantly improved the weight bearing power of base plate.
The invention is characterized in that loose core mould or permanent mould are at least two, three or many a plurality of settings more than three.Like this, loose core mould or permanent mould are at least two, three or many a plurality of settings more than three, can have a plurality of by behind the moulding/demoulding of loosing core or the permanent mould hole that forms or constitute.
The spacing that the invention is characterized in loose core mould or permanent mould is 50mm-100mm, 101-300m, 301mm-800mm.Like this, the spacing of loose core mould or permanent mould is 50mm-100mm, 101-300m, 301mm-800mm, by behind the moulding/demoulding of loosing core or permanent mould forms or the spacing of the hole that constitutes has certain scope, is convenient to the selection of mould.
The invention is characterized in single hole loose core mould by one, form more than two or three or three.Like this, single hole loose core mould by one, form more than two or three or three, the mould of loosing core can be respectively carry out the demoulding from the both sides of the vertical rib of prefabricated board, makes the demoulding be more prone to, and can also produce the hole that constitutes behind the multiple difform moulding/demoulding of loosing core simultaneously.
The hole that the invention is characterized in loose core mould or permanent mould formation is circular hole, flat hole.Like this, the hole that loose core mould or permanent mould form is circular hole, flat hole, is convenient to mold releasability, improves speed of production.
The invention is characterized in that longitudinal reinforcement is a presstressed reinforcing steel in the mould.Like this, longitudinal reinforcement is a presstressed reinforcing steel in the mould, makes the base plate of prefabricated board have very good cooperative bearing performance, has significantly improved the weight bearing power of base plate.
The invention is characterized in that transverse steel is a non-prestressing tendon in the mould.Like this, transverse steel is a non-prestressing tendon in the mould, makes the base plate of prefabricated board have very good cooperative bearing performance, has significantly improved the weight bearing power of base plate.
The invention is characterized in that vertical or horizontal reinforcing bar is in mould or pass outside the mould or fixing outside the mould.Like this, vertical or horizontal reinforcing bar is in mould or pass outside the mould or fixing outside the mould, the prefabricated board of producing with this method has reinforcing bar to expose, when prefabricated board was applied in the floor, the reinforcing bar that exposes can firmly be anchored in the Cast-in-place concrete, had increased substantially the bonding strength between the prefabricated and cast-in-place joint interface, make its damage not easy to crack, fully guaranteed the quality of floor, and, but base plate forms the power transmission of structure base plate participation structure.
The invention is characterized in that mould is made up of the amalgamation of at least two split templates.Like this, mould is made up of the amalgamation of at least two split templates, helps the dismounting of mould, simultaneously, and can be according to the prefabricated board of producing different size, and select the template of different size.
The invention is characterized in that the mould of loosing core is foam block or perlite block.Like this, the mould of loosing core is foam block or perlite block, because foam block or perlite block have certain flexibility, helps the demoulding of solid module.Simultaneously, the mould of loosing core can also be block rubber, wooden unit etc.
The invention is characterized in and omit step 2), in step 2) in the base plate mould in laying fiber, fleece or steel wire as reinforce.Like this, in the base plate mould, lay fiber, fleece or steel wire as reinforce, step 2) in reinforcing bar replace with fiber, fleece or steel wire, can be with the diversity that helps the base plate stiffener.
The invention is characterized in step 2) described in reinforcing bar along mould length to the direction setting.Like this, step 2) reinforcing bar described in to the direction setting, has strengthened the pull resistance of prefabricated board along mould length.
The invention is characterized in step 2) in the reinforcing bar that is provided with for being applied with prestressed reinforcing bar.Like this, step 2) reinforcing bar that is provided with in makes the base plate of prefabricated board have very good cooperative bearing performance for being applied with prestressed reinforcing bar, has significantly improved the weight bearing power of base plate.
The invention is characterized in step 2) described in the reinforcing bar two ends stretch out outside the mould ends.Like this, like this, step 2) stretch out outside the mould ends at the reinforcing bar two ends described in, when the prefabricated board of producing when this method was applied in the floor, the reinforcing bar that exposes can firmly be anchored in the Cast-in-place concrete, has increased substantially the bonding strength between the prefabricated and cast-in-place joint interface, make its damage not easy to crack, fully guaranteed the quality of floor, and, but base plate forms the power transmission of structure base plate participation structure.
The invention is characterized in step 2) described in reinforcing bar be arranged to grid in length and breadth.Like this, reinforcing bar is arranged to grid in length and breadth, has improved the intensity of prefabricated board base plate, has strengthened the stress performance of base plate, has significantly improved the weight bearing power of whole prefabricated board.
The cross sectional shape that the invention is characterized in loose core mould or permanent mould is square, rectangle, circle, ellipse or semicircle.Like this, the cross sectional shape of loose core mould or permanent mould is square, rectangle, circle, ellipse or semicircle, makes that the shape of the hole that forms on the vertical rib of prefabricated board is various, and what convenient construction needed selects for use.
(4) description of drawings
Fig. 1 is the making step schematic diagram of the embodiment of the invention 1;
Fig. 2 is the making step schematic diagram of the embodiment of the invention 1;
Fig. 3 is the product schematic diagram after the demoulding of the embodiment of the invention 1;
Fig. 4 is the making step schematic diagram of the embodiment of the invention 2;
Fig. 5 is the making step schematic diagram of the embodiment of the invention 2;
Fig. 6 is the product schematic diagram after the demoulding of the embodiment of the invention 2;
Fig. 7 is the structural representation of the embodiment of the invention 3;
Fig. 8 is the structural representation of the embodiment of the invention 4;
Fig. 9 is the structural representation of the embodiment of the invention 5;
Figure 10 is the structural representation of the embodiment of the invention 6;
Figure 11 is the structural representation of the embodiment of the invention 7.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Preparation method of the present invention is:
1) prepares mould 1, reinforcing bar 2, wet concrete material 3;
2) in mould 1, place reinforcing bar 2;
3) rotating stripping demoulding being set in mould 1 constitutes to place in loose core mould 4 or the mould 1 that vertical rib crosses through hole and constitutes the permanent mould 5 that cross through hole is arranged that vertical rib crosses through hole;
4) pour concrete;
5) maintenance, the demoulding.
As shown in Figure 1, lay base plate mould 1, be laid with longitudinal reinforcement 2; As shown in Figure 2, on base plate mould 1, lay and fixing vertical rib mould 1, the demoulding is set in the mould 1 constitutes the mould 4 of loosing core that vertical rib crosses through hole, follow pour concrete slip 3 in mould, as shown in Figure 3, Fig. 1, step shown in Figure 2 are finished maintenance, behind the dismounting mould, obtain the product that this method will be made.
As shown in Figure 4, lay base plate mould 1, be laid with longitudinal reinforcement 2; As shown in Figure 5, on base plate mould 1, lay and fixing vertical rib mould 1, place in the mould 1 and constitute the permanent mould 5 that cross through hole is arranged that vertical rib crosses through hole, follow pour concrete slip 3 in mould, as shown in Figure 3, Fig. 1, step shown in Figure 2 are finished maintenance, behind the dismounting mould, obtain the product that this method will be made.
The invention is characterized in that reinforcing bar 2 applies prestressing force in mould 1.As shown in Figure 4, reinforcing bar 2 applies prestressing force in mould 1
The invention is characterized in that loose core mould 4 or permanent mould 5 are at least two, three or many a plurality of settings more than three.As shown in Figure 7, the mould 4 of loosing core is eight.
The spacing that the invention is characterized in loose core mould 4 or permanent mould 5 is 50mm-100mm, 101-300m, 301mm-800mm.As shown in Figure 7, the loose core spacing of mould 4 is 90mm.
The invention is characterized in single hole loose core mould 4 by one, form more than two or three or three.As shown in Figure 7, the single hole mould 4 of loosing core is formed by two.
The hole that the invention is characterized in loose core mould 4 or permanent mould 5 formation is circular hole, flat hole.As shown in Figure 2, the hole that mould 4 forms of loosing core is a circular hole.
The invention is characterized in that longitudinal reinforcement 2 is presstressed reinforcing steel in the mould 1.As shown in Figure 4, longitudinal reinforcement 2 is a presstressed reinforcing steel in the mould 1.
The invention is characterized in that transverse steel is a non-prestressing tendon in the mould.As shown in Figure 9, transverse steel is a non-prestressing tendon in the mould.
The invention is characterized in that vertical or horizontal reinforcing bar 1 is in mould 1 or pass outside the mould 1 or fixing outside the mould 1.As shown in Figure 9, it is outer and fixing that vertical and horizontal reinforcing bar 1 passes mould 1.
The invention is characterized in that mould 1 is made up of at least two split template 6 amalgamations.As shown in Figure 8, mould 1 is made up of four split template 6 amalgamations.
The invention is characterized in that the mould 4 of loosing core is foam block or perlite block.As shown in Figure 2, loose core mould 4 is foam block.
The invention is characterized in and omit step 2), in step 2) in the base plate mould in laying fiber, fleece or steel wire as reinforce 7.As shown in figure 10, omit step 2), in step 2) in the base plate mould in the laying fleece as reinforce 7; As shown in figure 11, omit step 2), in step 2) in the base plate mould in the laying steel wire as reinforce 7.
The invention is characterized in step 2) described in reinforcing bar 1 long along mould 1 to the direction setting.As shown in Figure 1, the reinforcing bar 1 step 2) is long to the direction setting along mould 1.
The invention is characterized in step 2) in the reinforcing bar 1 that is provided with for being applied with prestressed reinforcing bar.As shown in Figure 4, the reinforcing bar 1 that is provided with step 2) is for being applied with prestressed reinforcing bar.
The invention is characterized in step 2) described in reinforcing bar 1 two ends stretch out outside mould 1 end.As shown in Figure 7, stretch out from hole outside mould 1 end at reinforcing bar 1 two ends step 2); As shown in Figure 8, stretch out from groove outside mould 1 end at reinforcing bar 1 two ends step 2).
The invention is characterized in step 2) described in reinforcing bar 1 be arranged to grid in length and breadth.As shown in Figure 9, the reinforcing bar 1 step 2) is arranged to grid in length and breadth.
The cross sectional shape that the invention is characterized in loose core mould 4 or permanent mould 5 is square, rectangle, circle, ellipse or semicircle.As shown in Figure 6, the cross sectional shape of permanent mould 5 is circular.
Claims (10)
1. the preparation method of an inverted T shaped plate is characterized in that:
1) prepares mould (1), reinforcing bar (2), wet concrete material (3);
2) in mould (1), place reinforcing bar (2);
3) rotating stripping demoulding being set in mould (1) constitutes vertical rib and crosses to place in the mould of loosing core (4) of through hole or the mould (1) and constitute the permanent mould (5) that cross through hole is arranged that vertical rib crosses through hole;
4) pour concrete;
5) maintenance, the demoulding.
2. the preparation method of a kind of inverted T shaped plate according to claim 1 is characterized in that reinforcing bar (2) applies prestressing force in mould (1).
3. the preparation method of a kind of inverted T shaped plate according to claim 1, it is characterized in that loosing core mould (4) or permanent mould (5) are at least two, three or many a plurality of settings more than three.
4. the preparation method of a kind of inverted T shaped plate according to claim 1, the spacing of it is characterized in that loosing core mould (4) or permanent mould (5) is 50mm-100mm, 101-300m, 301mm-800mm.
5. the preparation method of a kind of inverted T shaped plate according to claim 1, it is characterized in that single hole loose core mould (4) by one, form more than two or three or three.
6. the preparation method of a kind of inverted T shaped plate according to claim 1, the hole that it is characterized in that loosing core mould (4) or permanent mould (5) form is circular hole, flat hole.
7. the preparation method of a kind of inverted T shaped plate according to claim 1 is characterized in that longitudinal reinforcement (2) is a presstressed reinforcing steel in the mould (1); Perhaps transverse steel is a non-prestressing tendon in the mould.
8. the preparation method of a kind of inverted T shaped plate according to claim 1 is characterized in that vertical or horizontal reinforcing bar (1) is in mould (1) or pass outside the mould (1) or fixing outside the mould (1); Perhaps mould (1) is made up of at least two split templates (6) amalgamation; The mould (4) of perhaps loosing core is foam block or perlite block.
9. according to the preparation method of claim 1,2,3,4 or 5 described a kind of inverted T shaped plates, it is characterized in that omitting step 2), in step 2) in the base plate mould in lay fiber, fleece or steel wire as reinforce (7); Perhaps step 2) reinforcing bar (1) described in is long to the direction setting along mould (1); Perhaps step 2) reinforcing bar (1) that is provided with in is for being applied with prestressed reinforcing bar; Perhaps step 2) stretch out outside mould (1) end at reinforcing bar (1) two ends described in; Perhaps step 2) reinforcing bar (1) described in is arranged to grid in length and breadth.
10. according to the preparation method of claim 3,4 or 5 described a kind of inverted T shaped plates, the cross sectional shape of it is characterized in that loosing core mould (4) or permanent mould (5) is square, rectangle, circle, ellipse or semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710200860XA CN101327620A (en) | 2007-06-22 | 2007-06-22 | Method for manufacturing reverse T shaped plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710200860XA CN101327620A (en) | 2007-06-22 | 2007-06-22 | Method for manufacturing reverse T shaped plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101327620A true CN101327620A (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710200860XA Pending CN101327620A (en) | 2007-06-22 | 2007-06-22 | Method for manufacturing reverse T shaped plate |
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| CN (1) | CN101327620A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961885A (en) * | 2010-05-12 | 2011-02-02 | 吴方伯 | Ribbed precast component template for buildings |
| CN102126250A (en) * | 2010-05-12 | 2011-07-20 | 吴方伯 | Ribbed prefabricated member template for building |
| CN102179861A (en) * | 2011-01-28 | 2011-09-14 | 上海亚士创能投资有限公司 | Production method of calcium silicate board or cement board with through grooves |
| CN102303364A (en) * | 2011-09-20 | 2012-01-04 | 山东万斯达建筑科技有限公司 | Reinforcing rib making die for ribbed superposed concrete prefabricated member |
| CN102814861A (en) * | 2012-07-17 | 2012-12-12 | 河北工业大学 | Preparation method of reinforced concrete beam with demounting-free textile reinforced concrete (TRC) bottom mould |
-
2007
- 2007-06-22 CN CNA200710200860XA patent/CN101327620A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961885A (en) * | 2010-05-12 | 2011-02-02 | 吴方伯 | Ribbed precast component template for buildings |
| CN102126250A (en) * | 2010-05-12 | 2011-07-20 | 吴方伯 | Ribbed prefabricated member template for building |
| CN102179861A (en) * | 2011-01-28 | 2011-09-14 | 上海亚士创能投资有限公司 | Production method of calcium silicate board or cement board with through grooves |
| CN102179861B (en) * | 2011-01-28 | 2016-06-22 | 亚士创能科技(上海)股份有限公司 | Calcium silicate board with groove or the production method of cement plate |
| CN102303364A (en) * | 2011-09-20 | 2012-01-04 | 山东万斯达建筑科技有限公司 | Reinforcing rib making die for ribbed superposed concrete prefabricated member |
| CN102814861A (en) * | 2012-07-17 | 2012-12-12 | 河北工业大学 | Preparation method of reinforced concrete beam with demounting-free textile reinforced concrete (TRC) bottom mould |
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Open date: 20081224 |