CN103541438A - Reinforced concrete cylindrical node area reinforcing structure wrapped by steel wire mesh and externally provided with thin wall round steel pipe and manufacturing method thereof - Google Patents
Reinforced concrete cylindrical node area reinforcing structure wrapped by steel wire mesh and externally provided with thin wall round steel pipe and manufacturing method thereof Download PDFInfo
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- CN103541438A CN103541438A CN201310518320.1A CN201310518320A CN103541438A CN 103541438 A CN103541438 A CN 103541438A CN 201310518320 A CN201310518320 A CN 201310518320A CN 103541438 A CN103541438 A CN 103541438A
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Abstract
The invention relates to a reinforced concrete cylindrical node area reinforcing structure wrapped by a steel wire mesh and externally provided with a thin wall round steel pipe and a manufacturing method thereof and belongs to the field of reinforced concrete cylindrical node area anti-seismic performance reinforcing. Local steel wire mesh wrapping is first conducted on the upper portion and the lower portion of a cylindrical node, the steel wire mesh and a cylindrical node steel bar cage are bound through binding wires and cushion blocks, and then the thin wall round steel pipe is sleeved on the outside of the steel wire mesh and fixed on the steel bar cage by adopting fasteners and resistance spot welding to form the cylindrical node reinforcing structure. The thin wall round steel pipe and the steel wire mesh can provide a better restraining effect on concrete, prevent the concrete from cracking and falling too early under the multi-dimensional earthquake effect, can share a part of bending torque and shearing force of the node area and greatly improve anti-seismic performance such as bearing capacity and ductility of the normal section and the inclined section of the cylindrical node.
Description
Technical field
The present invention relates to a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure and preparation method, belong to reinforced concrete post Seismic Behavior and strengthen field.
Background technology
Reinforced concrete frame structure is the widely used a kind of form of structure in China earthquake zone.China < < seismic design provision in building code > > (GB50011-2010) guarantees the anti-seismic performance under violent earthquake effect more by the structure of frequently occurred earthquake design by a series of seismic measures, wherein " strong column and weak beam " is crucial control measure, its objective is and make frame construction under macroseism, form plasticity power consumption mechanism after the stable surrender with better anti-seismic performance, and avoid structure to form the layer lateral movement mechanism that all occurs plastic hinge with all styletable of layer.Standard 6.2.2 bar has provided the value of styletable bending resistance enhancing coefficient, artificial amplification the seismic bearing capacity of post node upper and lower side, and in 6.3 joints, provide a series of anti-seismic construction measure, make post there is large ability of elastic-plastic deformation and energy dissipation capacity, reach under large shake effect, even if styletable goes out hinge, can not cause the target that framework collapses, realize " strong column and weak beam " failure mechanism yet.
But the earthquake that China recent years is larger, as the earthquake in Wenchuan earthquake, Yushu earthquake all shows, " the weak post of brutal " type has occurred a large amount of frame construction beam column nodes destroys.The generation of this failure mechanism, has caused collapsing of large amount of building, has caused huge casualties.Given this, we have taked the suitable strong method that adds, strengthen in bean column node, the bearing capacity of post node and along property performance, prevent that post node from destroying prior to girder connection, cause collapse between structure genetic horizon, improve the bearing capacity of reinforced concrete beam column node under geological process, increase it along property, improve its energy dissipation capacity.
Summary of the invention
The object of the invention is for above-mentioned Reinforced Concrete Circular Cylinder node under geological process, the problems such as anti-seismic performance is weak, provide under a kind of geological process, improve the strong method that adds of Reinforced Concrete Circular Cylinder Seismic Behavior, can guarantee that cylinder node " strong column and weak beam " failure mechanism, as the requirement of design institute, occurs strictly according to the facts.
Node area gauze wire cloth parcel and an additional thin-wall circular steel pipe reinforcement structure, comprise reinforcing cage, and it is fixedly formed by the vertical muscle 1 of Reinforced Concrete Circular Cylinder, the mutual colligation of stirrup 2; It is characterized in that: also comprise reinforcement structure, it is comprised of gauze wire cloth 3, thin-wall circular steel pipe 4, limiting cushion block 5 and tied silk 6 and nailing 7; Described reinforcement structure refers to: in cylinder node upper end, and within the scope of the high H of beam section top edge, and cylinder node lower end, within the scope of beam section lower limb H, Covered with Angles silk screen 3, H gets 1.5D and both higher values of 500mm, and D is Reinforced Concrete Circular Cylinder external diameter; For cylinder node top, the lower limb of gauze wire cloth overlaps with the top edge of beam section in node; For cylinder node bottom, the top edge of gauze wire cloth overlaps with the lower limb of beam section in node; Limiting cushion block 5 is set between gauze wire cloth and reinforcing cage, and cushion block leaves the hole passing through for tied silk 6 in advance, to by itself and reinforcing cage, gauze wire cloth, be fixed together by tied silk, concrete has been built in gauze wire cloth and reinforcing cage inside; At the outside of gauze wire cloth parcel thin-wall circular steel pipe 4, thin-wall circular steel pipe height is identical with gauze wire cloth height, between reinforcing cage and thin-wall circular steel pipe, by nailing 7, both is connected, and resistance spot welding is carried out in all nailings and reinforcing cage contact position; Gauze wire cloth and thin-wall circular steel pipe are all done galvanized anticorrosive and are processed; And there is concrete cover thin-wall circular steel pipe outside, protective layer thickness starts to calculate from thin-wall circular outer surface of steel tube.
Further, it is characterized in that: described thin-wall circular water pipe precaution layer thickness a is 10mm～20mm;
Further, it is characterized in that: described gauze wire cloth, it is highly H, and H gets 1.5D and both higher values of 500mm, and D is Reinforced Concrete Circular Cylinder external diameter; Its length is π (D-2a)+c, and c is gauze wire cloth overlapping length, is not less than 300mm; The assurance of gauze wire cloth specification, its diameter is 0.5mm～2mm, mesh specification is 10mm～20mm; The intensity of gauze wire cloth, guarantees that its monofilament ultimate tensile strength is not less than 300N/mm
2.
Further, it is characterized in that: described limiting cushion block, is all no more than 300mm along the longitudinal pitch of column length direction and along the circumferential distance of post cross section between adjacent limiting cushion block;
Further, it is characterized in that: described thin-wall circular steel pipe, its height is identical with gauze wire cloth height, and its thickness t is 2mm～10mm, and its external diameter is D-2a+2t; Thin-wall circular steel pipe specification, is not less than Q235 steel;
Further, it is characterized in that: described nailing, diameter is 8～12mm, and length is 5mm～10mm, and nailing spacing is 200mm～300mm.
Described a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and the preparation method of additional thin-wall circular steel pipe reinforcement structure, is characterized in that step is as follows:
Step 1: reinforcing cage moulding: according to Reinforced Concrete Circular Cylinder node area reinforcement placement figure, by colligation moulding such as the vertical muscle of cylinder, stirrups, form the post reinforcing cage of beam column node area, carry out colligation moulding after the reinforcing cage waiting step four of node area beam completes;
Step 2: limiting cushion block is in place: limiting cushion block is fixed on reinforcing cage according to design attitude, between adjacent limiting cushion block, along the longitudinal pitch of column length direction and along the circumferential distance of post cross section, be all no more than 300mm, on limiting cushion block, be reserved with tied silk hole, be convenient to limiting cushion block and reinforcing cage to carry out colligation;
Step 3: gauze wire cloth is installed: by the gauze wire cloth after zinc-plated processing, be wrapped in reinforcing cage outside; Gauze wire cloth position is positions, cylinder node top and the bottom; For cylinder node top, gauze wire cloth lower limb overlaps with the top edge of beam section in node; For cylinder node bottom, gauze wire cloth top edge overlaps with the lower limb of beam section in node; The gauze wire cloth consistent size of node top and the bottom; Encapsulation process is: first on reinforcing cage, determine a bit for gauze wire cloth parcel starting point, then according to cylindrical cross-section, carry out ring-type parcel, final steel silk screen wraps up and is repositioned to starting point, and continues overlapping parcel, and overlapping length is not less than 300mm; In the process of parcel, apply pulling force, guarantee that gauze wire cloth is the state of tightening; Finally gauze wire cloth, reinforcing cage, limiting cushion block are fixed together by tied silk, colligation lap first, this part colligation spacing must not surpass 100mm, and other part colligation spacing are 100mm～200mm; Gauze wire cloth installation;
Step 4: thin-wall circular penstock installation: the thin-wall circular steel pipe after 2 galvanized anticorrosives are processed is fixed on position, cylinder node top and the bottom, and thin-wall circular steel pipe height and position overlap with gauze wire cloth completely; Between thin-wall circular steel pipe and reinforcing cage, by nailing, be connected, resistance spot welding is carried out in nailing and reinforcing cage contact position; Thin-wall circular penstock installation, fixedly complete;
Step 5: above-mentioned Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure are carried out after formwork, concreting, maintenance, strengthen the complete moulding of structure.
The present invention has the following advantages:
1, stiffening effect is good.While not carrying out strengthening measure, a large amount of earthquakes all show, reinforced concrete beam column node is under geological process, and " strong column and weak beam " failure mechanism easily lost efficacy, and in cylinder node, post destruction of a node, prior to girder connection, causes structure generation total Collapse.After additional gauze wire cloth and thin-wall circular steel pipe reinforcement structure; strengthened the protective effect of node; the concrete of Nodes has been played to good effect of contraction; the concrete that improves Liao Gai part of nodes district is subject to force intensity; and prevent that concrete from coming off in advance; delay generation and the extension in node area crack, played good stiffening effect.
2, reasonable stress.The gauze wire cloth that Reinforced Concrete Circular Cylinder joint strengthening is used and thin-wall circular steel pipe, normal section bearing capacity and the Beams Oblique Section Carrying Capacity at former bean column node place have effectively been shared, and retrained to a great extent the concrete cracking of this node region and delayed steel concrete and partly enter the plastic stage, greatly improved and improved the stress performance of Reinforced Concrete Circular Cylinder node region; The normal section bearing capacity, Beams Oblique Section Carrying Capacity and the ductility that have improved bean column node, make it to have good anti-seismic performance.
3, economical and practical.This Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure; thin-wall circular steel pipe thinner thickness; gauze wire cloth low price; design economical rationality; and owing in advance thin-wall circular steel pipe and gauze wire cloth having been carried out to zinc-plated antirust processing; strengthen the corrosion resistance of this reinforcement structure, improved the durability of member.
4, construction is simple.Need not any extra job practices, only increased that thin-wall circular steel pipe is fixed and the process of gauze wire cloth parcel, be easy to construction, process is simple, and does not affect construction speed.
The present invention is as a kind of effective reinforcement mode of Reinforced Concrete Circular Cylinder node under geological process, is perfect effectively to existing research, will have good prospect.
Below by drawings and Examples, the present invention program is described in further detail.
Accompanying drawing explanation
Fig. 1 is Reinforced Concrete Circular Cylinder node area cross-sectional plan views of the present invention.
Fig. 2 is Reinforced Concrete Circular Cylinder joint reinforcing bar colligation elevational schematic view of the present invention.
Fig. 3 is A-A profile view in Fig. 2.
Fig. 4 is B-B sectional drawing in Fig. 3.
Fig. 5 is C-C section thin-walled round steel pipe nailing planar development schematic diagram in Fig. 3.
The wherein vertical muscle of 1. Reinforced Concrete Circular Cylinder, 2. Reinforced Concrete Circular Cylinder stirrup, 3. gauze wire cloth, 4. thin-wall circular steel pipe, 5. limiting cushion block, 6. tied silk, 7. nailing.
In Fig. 3, for guaranteeing clear effect of seeing nailing and tied silk colligation, the perspective view of its rear portion thin-wall circular steel pipe is ignored, actual consistent with the representation of thin-wall circular steel pipe in Fig. 2, be the filling face of whole black.
The specific embodiment
Node area gauze wire cloth parcel and an additional thin-wall circular steel pipe reinforcement structure, comprise reinforcing cage, and it is fixedly formed by the vertical muscle 1 of Reinforced Concrete Circular Cylinder, the mutual colligation of stirrup 2; It is characterized in that: also comprise reinforcement structure, it is comprised of gauze wire cloth 3, thin-wall circular steel pipe 4, limiting cushion block 5 and tied silk 6 and nailing 7; Described reinforcement structure refers to: in cylinder node upper end, and within the scope of the high H of beam section top edge, and cylinder node lower end, within the scope of beam section lower limb H, Covered with Angles silk screen 3, H gets 1.5D and both higher values of 500mm, and D is Reinforced Concrete Circular Cylinder external diameter; For cylinder node top, the lower limb of gauze wire cloth overlaps with the top edge of beam section in node; For cylinder node bottom, the top edge of gauze wire cloth overlaps with the lower limb of beam section in node; Limiting cushion block 5 is set between gauze wire cloth and reinforcing cage, and cushion block leaves the hole passing through for tied silk 6 in advance, to by itself and reinforcing cage, gauze wire cloth, be fixed together by tied silk, concrete has been built in gauze wire cloth and reinforcing cage inside; At the outside of gauze wire cloth parcel thin-wall circular steel pipe 4, thin-wall circular steel pipe height is identical with gauze wire cloth height, between reinforcing cage and thin-wall circular steel pipe, by nailing 7, both is connected, and resistance spot welding is carried out in all nailings and reinforcing cage contact position; Gauze wire cloth and thin-wall circular steel pipe are all done galvanized anticorrosive and are processed; And there is concrete cover thin-wall circular steel pipe outside, protective layer thickness starts to calculate from thin-wall circular outer surface of steel tube.
1, basic demand
The Site Detection strength grade of concrete of the reinforced concrete beam column node 1.1, being reinforced is not less than C25.
1.2, the long-term environment temperature of using is no more than 60 ℃, and relative humidity is not more than 70% and without chemical attack and high humidity high temperature.
1.3, Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and the claimed layer thickness of additional thin-wall circular steel pipe reinforcement structure start to calculate from thin-wall circular outer surface of steel tube, to guarantee thin-wall circular steel pipe, gauze wire cloth and concrete effective connectivity;
2, preparation of construction
2.1, study design drawing, works out detailed construction scheme and strengthens thin portion drawing etc.
2.2, Reinforced Concrete Circular Cylinder joint reinforcing bar cage colligation moulding.
2.3, choose suitable gauze wire cloth model.
2.4, choose suitable thin-wall circular steel pipe model
2.5, choose suitable nailing model.
2.6, choose suitable resistance spot welding welding rod model.
3, construction technology process
Fix → stiffener of preparation of construction → calibration position → colligation positioning molding → integral forming → go along with sb. to guard him.
4, key points for operation
4.1, reinforcing cage moulding: according to Reinforced Concrete Circular Cylinder node area reinforcement placement figure, by the vertical muscle of cylinder node, stirrup colligation moulding, form the post reinforcing cage of beam column node area, carry out colligation moulding after the reinforcing cage waiting step four of node area beam completes.
4.2, choose gauze wire cloth: gauze wire cloth specification, its diameter is 0.5mm～2mm, mesh specification is 10mm～20mm.The intensity of gauze wire cloth, guarantees that its monofilament ultimate tensile strength is not less than the vertical muscle tensile strength of post, and must not be lower than 300N/mm
2.
4.3, choose thin-wall circular steel pipe and nailing model: thin-wall circular steel pipe specification, guarantees that the vertical muscle specification of its steel tensile strength and compressive strength design load and cylinder node is close, and be not less than Q235 steel.Thin-wall circular steel pipe, its height is identical with gauze wire cloth height, and thickness t is 2mm～10mm, and its external diameter is D-2a+2t, and a is thin-wall circular water pipe precaution layer thickness, is 10mm～20mm.
4.4, choose nailing model: nailing diameter is 8～12mm, length is 5mm～10mm.
4.5, choose resistance spot welding welding rod model: the welding rod model of resistance spot welding is relative with the vertical muscle of post and stirrup model, and must not, lower than E43 type welding rod, when the vertical muscle of post, stirrup intensity differ larger, with intensity junior, carry out choosing of welding rod model.
4.6, limiting cushion block is in place: limiting cushion block is fixed on reinforcing cage according to design attitude, between adjacent limiting cushion block, along the longitudinal pitch of column length direction and along the circumferential distance of post cross section, be all no more than 300mm, on limiting cushion block, be reserved with tied silk hole, be convenient to limiting cushion block and reinforcing cage to carry out colligation.
4.7, thin-wall circular steel pipe and gauze wire cloth surfacing: for preventing that thin-wall circular steel pipe and gauze wire cloth from getting rusty, weaken stiffening effect, thin-wall circular steel pipe and gauze wire cloth are carried out to antirust processing; First with acetone, thin-wall circular steel pipe and gauze wire cloth are shown to carry out rust cleaning work, then carry out zinc-plated antirust processing.
4.8, gauze wire cloth is installed: by the gauze wire cloth after zinc-plated processing, be wrapped in reinforcing cage outside; Gauze wire cloth position is positions, cylinder node top and the bottom; For cylinder node top, gauze wire cloth lower limb overlaps with the top edge of beam section in node; For cylinder node bottom, gauze wire cloth top edge overlaps with the lower limb of beam section in node; The gauze wire cloth consistent size of node top and the bottom; Encapsulation process is: first on reinforcing cage, determine a bit for gauze wire cloth parcel starting point, then according to cylindrical cross-section, carry out ring-type parcel, final steel silk screen wraps up and is repositioned to starting point, and continues overlapping parcel, and overlapping length is not less than 300mm; In the process of parcel, apply pulling force, guarantee that gauze wire cloth is the state of tightening; Finally gauze wire cloth, reinforcing cage, limiting cushion block are fixed together by tied silk, colligation lap first, this part colligation spacing must not surpass 100mm, and other part colligation spacing are 100mm～200mm; Gauze wire cloth installation.
4.9, thin-wall circular penstock installation: the thin-wall circular steel pipe after 2 galvanized anticorrosives are processed is fixed on position, cylinder node top and the bottom, and thin-wall circular steel pipe height and position overlap with gauze wire cloth completely; Between thin-wall circular steel pipe and reinforcing cage, by nailing, be connected, nailing spacing is 200mm～300mm, and nailing length is 5mm～10mm, and nailing diameter is 8～12mm, and resistance spot welding is carried out in nailing and reinforcing cage contact position; Thin-wall circular penstock installation, fixedly complete.
4.10, reinforced structure moulding and formwork, build and vibrate: above-mentioned Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure are carried out after formwork, concreting, maintenance, strengthen the complete moulding of structure; By concreting in template and vibrate, until closely knit.Vibrating spear must not touch reinforcing bar, thin-wall circular steel pipe and gauze wire cloth.
The above, be only wherein a kind of embodiment of the present invention, also can be under other member geological process, and a kind of method that Reinforced Concrete Circular Cylinder Seismic Behavior is strengthened.Every any modification of above embodiment being made according to the technology of the present invention essence, change or equivalent structure change, and all belong to the protection domain of technical solution of the present invention.
Claims (7)
1. Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and an additional thin-wall circular steel pipe reinforcement structure, comprise reinforcing cage, and it is fixedly formed by the vertical muscle (1) of Reinforced Concrete Circular Cylinder, the mutual colligation of stirrup (2); It is characterized in that: also comprise reinforcement structure, it is comprised of gauze wire cloth (3), thin-wall circular steel pipe (4), limiting cushion block (5) and tied silk (6) and nailing (7); Described reinforcement structure refers to: in cylinder node upper end, and within the scope of the high H of beam section top edge, and cylinder node lower end, within the scope of beam section lower limb H, Covered with Angles silk screen (3), H gets 1.5D and both higher values of 500mm, and D is Reinforced Concrete Circular Cylinder external diameter; For cylinder node top, the lower limb of gauze wire cloth overlaps with the top edge of beam section in node; For cylinder node bottom, the top edge of gauze wire cloth overlaps with the lower limb of beam section in node; Limiting cushion block (5) is set between gauze wire cloth and reinforcing cage, and cushion block leaves in advance for the hole that passes through of tied silk (6), to by itself and reinforcing cage, gauze wire cloth, be fixed together by tied silk, concrete has been built in gauze wire cloth and reinforcing cage inside; At the outside of gauze wire cloth parcel thin-wall circular steel pipe (4), thin-wall circular steel pipe height is identical with gauze wire cloth height, between reinforcing cage and thin-wall circular steel pipe, by nailing (7), both is connected, and resistance spot welding is carried out in all nailings and reinforcing cage contact position; Gauze wire cloth and thin-wall circular steel pipe are all done galvanized anticorrosive and are processed; And there is concrete cover thin-wall circular steel pipe outside, protective layer thickness starts to calculate from thin-wall circular outer surface of steel tube.
2. a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel according to claim 1 and additional thin-wall circular steel pipe reinforcement structure, is characterized in that: described thin-wall circular water pipe precaution layer thickness a is 10mm～20mm.
3. a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel according to claim 1 and additional thin-wall circular steel pipe reinforcement structure, is characterized in that: described gauze wire cloth length is π (D-2a)+c, and c is gauze wire cloth overlapping length, is not less than 300mm; The assurance of gauze wire cloth specification, its diameter is 0.5mm～2mm, mesh specification is 10mm～20mm; The intensity of gauze wire cloth, guarantees that its monofilament ultimate tensile strength is not less than 300N/mm
2.
4. a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth according to claim 1 wraps up and additional thin-wall circular steel pipe reinforcement structure, it is characterized in that: described limiting cushion block, is all no more than 300mm along the longitudinal pitch of column length direction and along the circumferential distance of post cross section between adjacent pod.
5. a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth according to claim 1 wraps up and additional thin-wall circular steel pipe reinforcement structure, it is characterized in that: described thin-wall circular steel pipe, its height is identical with gauze wire cloth height, and its thickness t is 2mm～10mm, and its external diameter is D-2a+2t; Thin-wall circular steel pipe specification, is not less than Q235 steel.
6. a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth according to claim 1 wraps up and additional thin-wall circular steel pipe reinforcement structure, it is characterized in that: described nailing, and diameter is 8～12mm, and length is 5mm～10mm, and nailing spacing is 200mm～300mm.
7. the preparation method of a kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel according to claim 1 and additional thin-wall circular steel pipe reinforcement structure, is characterized in that step is as follows:
Step 1: reinforcing cage moulding: according to Reinforced Concrete Circular Cylinder node area reinforcement placement figure, by colligation moulding such as the vertical muscle of cylinder, stirrups, form the post reinforcing cage of beam column node area, carry out colligation moulding after the reinforcing cage waiting step four of node area beam completes;
Step 2: limiting cushion block is in place: limiting cushion block is fixed on reinforcing cage according to design attitude, between adjacent limiting cushion block, along the longitudinal pitch of column length direction and along the circumferential distance of post cross section, be all no more than 300mm, on limiting cushion block, be reserved with tied silk hole, be convenient to limiting cushion block and reinforcing cage to carry out colligation;
Step 3: gauze wire cloth is installed: by the gauze wire cloth after zinc-plated processing, be wrapped in reinforcing cage outside; Gauze wire cloth position is positions, cylinder node top and the bottom; For cylinder node top, gauze wire cloth lower limb overlaps with the top edge of beam section in node; For cylinder node bottom, gauze wire cloth top edge overlaps with the lower limb of beam section in node; The gauze wire cloth consistent size of node top and the bottom; Encapsulation process is: first on reinforcing cage, determine a bit for gauze wire cloth parcel starting point, then according to cylindrical cross-section, carry out ring-type parcel, final steel silk screen wraps up and is repositioned to starting point, and continues overlapping parcel, and overlapping length is not less than 300mm; In the process of parcel, apply pulling force, guarantee that gauze wire cloth is the state of tightening; Finally gauze wire cloth, reinforcing cage, limiting cushion block are fixed together by tied silk, colligation lap first, this part colligation spacing must not surpass 100mm, and other part colligation spacing are 100mm～200mm; Gauze wire cloth installation;
Step 4: thin-wall circular penstock installation: the thin-wall circular steel pipe after 2 galvanized anticorrosives are processed is fixed on position, cylinder node top and the bottom, and thin-wall circular steel pipe height and position overlap with gauze wire cloth completely; Between thin-wall circular steel pipe and reinforcing cage, by nailing, be connected, resistance spot welding is carried out in nailing and reinforcing cage contact position; Thin-wall circular penstock installation, fixedly complete;
Step 5: above-mentioned Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure are carried out after formwork, concreting, maintenance, strengthen the complete moulding of structure.
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| CN201310518320.1A CN103541438B (en) | 2013-10-28 | 2013-10-28 | A kind of Reinforced Concrete Circular Cylinder node area gauze wire cloth parcel and additional thin-wall circular steel pipe reinforcement structure and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924742A (en) * | 2014-04-11 | 2014-07-16 | 北京工业大学 | Reinforced concrete column with partial non-adhesive ends and preparation method thereof |
| CN103924729A (en) * | 2014-04-11 | 2014-07-16 | 北京工业大学 | Reinforced concrete beam with partial non-adhesive ends and preparation method thereof |
| CN103924737A (en) * | 2014-04-12 | 2014-07-16 | 北京工业大学 | Reinforced concrete columns with unbonded end parts and unequal strength |
| CN104863045A (en) * | 2015-05-29 | 2015-08-26 | 重庆大学 | Steel tube confinement reinforced concrete bridge pier system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10219824A (en) * | 1997-02-13 | 1998-08-18 | Taisei Corp | Concrete encased column base for steel pipe column |
| JPH1113139A (en) * | 1997-06-26 | 1999-01-19 | Nippon Steel Corp | Corner angle joint between reinforced bar or steel framed reinforced concrete structure and various columnar structure, and joining method therefor |
| JP2001329620A (en) * | 2000-05-24 | 2001-11-30 | Nkk Corp | Joint structure of pole and pile |
| CN201010998Y (en) * | 2007-03-22 | 2008-01-23 | 兰州理工大学 | Steel tube concrete beam pole connecting node structure |
| CN101748804A (en) * | 2010-01-06 | 2010-06-23 | 哈尔滨工业大学深圳研究生院 | Node structure of concrete filled steel tube column and reinforced concrete beam and construction technology thereof |
| CN202577608U (en) * | 2012-05-07 | 2012-12-05 | 山东科技大学 | Double circular steel pipe concrete column and steel beam connecting node |
-
2013
- 2013-10-28 CN CN201310518320.1A patent/CN103541438B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10219824A (en) * | 1997-02-13 | 1998-08-18 | Taisei Corp | Concrete encased column base for steel pipe column |
| JPH1113139A (en) * | 1997-06-26 | 1999-01-19 | Nippon Steel Corp | Corner angle joint between reinforced bar or steel framed reinforced concrete structure and various columnar structure, and joining method therefor |
| JP2001329620A (en) * | 2000-05-24 | 2001-11-30 | Nkk Corp | Joint structure of pole and pile |
| CN201010998Y (en) * | 2007-03-22 | 2008-01-23 | 兰州理工大学 | Steel tube concrete beam pole connecting node structure |
| CN101748804A (en) * | 2010-01-06 | 2010-06-23 | 哈尔滨工业大学深圳研究生院 | Node structure of concrete filled steel tube column and reinforced concrete beam and construction technology thereof |
| CN202577608U (en) * | 2012-05-07 | 2012-12-05 | 山东科技大学 | Double circular steel pipe concrete column and steel beam connecting node |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924742A (en) * | 2014-04-11 | 2014-07-16 | 北京工业大学 | Reinforced concrete column with partial non-adhesive ends and preparation method thereof |
| CN103924729A (en) * | 2014-04-11 | 2014-07-16 | 北京工业大学 | Reinforced concrete beam with partial non-adhesive ends and preparation method thereof |
| CN103924742B (en) * | 2014-04-11 | 2016-10-26 | 北京工业大学 | End sections unbonded reinforcement concrete column and preparation method |
| CN103924729B (en) * | 2014-04-11 | 2016-10-26 | 北京工业大学 | End sections unbonded reinforcement beams of concrete and preparation method |
| CN103924737A (en) * | 2014-04-12 | 2014-07-16 | 北京工业大学 | Reinforced concrete columns with unbonded end parts and unequal strength |
| CN104863045A (en) * | 2015-05-29 | 2015-08-26 | 重庆大学 | Steel tube confinement reinforced concrete bridge pier system |
| CN104863045B (en) * | 2015-05-29 | 2017-01-11 | 重庆大学 | Steel tube confinement reinforced concrete bridge pier system |
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| Publication number | Publication date |
|---|---|
| CN103541438B (en) | 2015-10-28 |
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