CN103103922B - The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame - Google Patents
The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame Download PDFInfo
- Publication number
- CN103103922B CN103103922B CN201110358594.XA CN201110358594A CN103103922B CN 103103922 B CN103103922 B CN 103103922B CN 201110358594 A CN201110358594 A CN 201110358594A CN 103103922 B CN103103922 B CN 103103922B
- Authority
- CN
- China
- Prior art keywords
- mould bases
- load
- bearing mould
- type
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The stressed holder of a kind of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame, utilize two bridges to pedal and put down and increase by 0.4 meter of reinforced concrete structure again on the basis of ground place original thickness, connect fastener by exposing surface 0.2 meter is high again behind this structure place pre-buried for reinforcing bar ironware, mould bases body is worked with hoist engine or crane wire rope the position winching to placing of concrete bridge, mould bases holder is hung in two bridges from mould bases bottom surface by the position of locking with tens wire rope arranged in a uniform to pedal and to form two bridges between span and pedal mould bases body between span, when mould bases is hung in holder, wire rope connects No. 1 bridge and pedals embedded iron parts junction button, through the semicircle brandreth on No. 1 Qiao Deng top, hug that molding support body is stressed to be pedaled semicircle brandreth in No. 2 bridges and connect the junction button that No. 2 bridges pedal again again, the height position of mould bases body is adjusted by the cap nut of junction button, a set of independent die frame is 1 A type and 2 Type B mould bases compositions, the width of bridge concrete is combined by a few cover independent die frame, A pattern frame length is that two bridges pedal 60% of span, two Type B mould bases are that two bridges pedal 40% of span, wide is 4 meters.
Description
Technical field
This invention relates to building field, large bridge and urban interchange, and two bridges pedal the construction technology of concreting in site Reinforced Concrete Bridge between span.
Background technology
Building a bridge in cast-in-place construction at present, except cast-in-place Longspan Bridge is employing cord pulling type structural approach, the span pedaled for access bridge part two bridge bridge is in the cast-in-situ concrete construction of about 40, all the whole bridge weight adopting ground to reach frame stressed supporting die support body and placing of concrete at present, method for supporting is the iron pipe of employing about 0.8 meter is main support pillar, and then carry out structure mould bases body and lay template, another kind is that the iron pipe of employing 0.06 meter is to be combined into whole body frame and mould bases body, all there is different defects in these two kinds of methods at present, one, construction method is science not too, waste of manpower is large, duration is slow, two, particularly adopt the iron pipe of 0.06 meter to reach structure main frame body stability and poor stability, body plan mould bases and disassemble loaded down with trivial details, treat in improvement.
Summary of the invention
The present invention main purpose is by the concrete weight of stressed for ground line support mould bases cast-in-situ bridge, change and replace as bridge span two bridges have apart been pedaled as stressed basic point, two bridges are pedaled with wire rope the position that the mould bases that waters steel concrete between distance and template holder are hung in placing of concrete bridge, this device technique is advanced, easy to operate, construction safety, structure and disassemble mould bases and can save a lot of artificial, the method can solve bridge plane and ground line drop apart from high, pontic plane lower end vertical with urban interchange has obstruction can not from the construction site of vertical support below bridge, its object is exactly pedal the ground line place, both sides of thickness and bridge pedals the reinforced concrete structure that thickness both sides, ground place respectively thicken 0.4 meter at bridge, as shown in Figure 6, adopt many wire rope that a set of 35 meters long of formation has been hugged in the lower end, bottom surface of A pattern frame and Type B mould bases, the large-scale mould bases body of 4 meters wide, each root holder is hung wire rope connection buckle and is provided with fine adjustment screw bar and cap nut, when every suit mould bases needs adjustment position that lead screw and cap nut can be adopted to adjust in construction.
According to building a bridge now and the construction characteristic of overpass bridge, general sequence of construction is all that the concrete casting first pedaled by bridge is to the mould bases body just starting structural bridge when can water bridge, design principle is exactly utilize between bridge span two bridges to pedal, symmetrical place, upper end is pedaled at Liang Qiao, position from the contact of bridge baseplane reserves several 0.8 meter high and 0.8 meter wide can by the position of seat at the bottom of dress pulley, (bridge because of access bridge pedal plane generally have the bridge of 1/2 to pedal area do not contact bridge baseplane), so do not have the room in face, contact bridge Liangping to be used for installing seat at the bottom of pulley with regard to utilizing bridge to pedal upper end, sit at the bottom of each pulley and be made up of seat at the bottom of the rolling pulley of 2 0.6 rice diameters and a pulley, as: bridge pedals the position that seat at the bottom of pulley is not installed in upper end, the room that bridge pedals end floor beam face place should be adopted to coordinate stressed pulley mould bases body to be worked the position winching to pouring Reinforced Concrete Bridge lifting rolling pulley wire rope, the technology of this invention is mainly respectively two classes, one is lifting technology, two is that technology is hung in holder, load-bearing mould bases body mainly rises and winches to the pouring concrete position of bridge reinforcement by lifting technology, lifting has two kinds of methods, one adopts synchronous stressed being risen by mould bases of two, hoist engine to winch to pouring position, another kind adopts crane, adopt crane will consider the drop height of bridge floor and ground line, hoisting depth as crane can be satisfied the demand, so just adopt 2 crane synchronous hoistings, it is mainly stressed bottom mould bases body by working the mould bases wire rope winching to pouring bridge concrete that technology is hung in holder, adopt tens wire rope stressed gross weight bearing mould bases body and steel concrete uniformly simultaneously.
The weight of the thickness that the large small intensity of seat body at the bottom of pulley should be pedaled according to bridge and lifting bridge mould bases and determining, general shape is high 0.7 meter, wide 0.8 meter, length is at 1.8 meters, the thickness pedaled according to bridge is specifically set and determines, as shown in Figure 1, every suit boom hoisting is sat by the bottom of 4 pulleys, 16 rolling pulleies, the mould bases body of 3 load-bearing pouring Reinforced Concrete Bridge, if bridge bottom is writing board shape, load-bearing mould bases can be become an entirety with formwork structure, be convenient to install and disassemble, 3 load-bearing mould bases bodies are respectively 1 A type load-bearing mould bases, as shown in Figure 2, A type load-bearing mould bases length two ends are provided with the hook accessory coordinated with Type B mould bases, 2 Type B load-bearing mould bases, as shown in Figure 3, Type B load-bearing mould bases is provided with hook accessory at connection A type load-bearing mould bases lower end, also be provided with the rolling pulley 4 used when coordinating lifting mould bases body in addition, as shown in Figure 3, the project organization of boom hoisting, when hoisting wirerope is by stressed for the lower end, bottom of A type load-bearing mould bases and 2 Type B load-bearing mould bases, wire rope has hugged that two Type B load-bearing mould bases bodies are stressed upwards to be lifted by crane, A type load-bearing mould bases is the cis form according to length, be stuck in the centre of two Type B load-bearing mould bases, what bottom A type load-bearing mould bases, lower end was arranged with Type B load-bearing mould bases coordinates hook place, the hook that just automatically cooperatively interacts is firm, simultaneously, the upper end position of A type load-bearing mould bases and two Type B load-bearing mould bases and the contact position of two profiles mould bases body are when hoisting wirerope upwards promotes, and the deadweight of the mould bases body of two profiles number can to sinking pendant, be stuck in the middle of 2 Type B load-bearing mould bases so form A type load-bearing mould bases, A pattern frame and 2 Type B mould bases cis form a set of overall mould bases thus, as shown in Figure 4, this state forms 2 Type B load-bearing mould bases and A type load-bearing hook is risen and is stuck in the middle of 2 Type B load-bearing mould bases, when Reinforced Concrete Bridge will be watered, because of the upper kiloton weight of concrete-bridge, so when designing holder and hanging mould bases, compressive strength deformation factor after heavy for whole mould bases body will be taken into account, the upper transverse plane interlude of A type load-bearing mould bases body should suitably design higher than A pattern support body end flat, the intensity of mould bases should be hung the weight of concrete-bridge according to holder and determine, accessory has junction button, lead screw, cap nut, wire rope, the securing member of fastening steel wire rope, the gross weight that the length of wire rope and thickness and radical should hang pouring steel concrete according to construction holder determines.
For the ease of understanding, now to illustrate description, suppose that the bridge floor of this construction wide is 28 meters, bridge is pedaled and is not included, two bridges pedal between span length be 35 meters, construction requirement entirety adopts the disposable pouring of cast-in-place concrete bridge, baseplane, bridge lower end shape is that plane does not have concave shape body, bridge plane and ground line drop distance are 80 meters, need us employing 7 to be overlapped holder according to construction to hang load-bearing mould bases body cooperation group formation two bridge and pedal whole mould bases shape between distance, having introduced 1 cover load-bearing mould bases body is above that 1 A type and 2 Type B die carrier structures form, A pattern frame is now set as 20 meters long, 4 meters wide, the shape of 3.5 meters high, as shown in Figure 2, Type B mould bases now sets 7.4 meters long, 4 meters wide, the mould bases connecting A pattern frame place is high is set as 3.5 meters, one end is set as 1.5 meters high in addition, as shown in Figure 3, then Type B mould bases is put the side pedaled at Liang Qiao along pontic shape, again A pattern frame is stuck in the centre of two Type B length mould bases along bridge length shapes, as shown in Figure 4, after mould bases sets, pedal length between distance at Liang Qiao and be just combined into one 34.8 meters, the mould bases body of the placing of concrete bridge of 4 meters wide, as shown in Figure 5, while putting mould bases, the wire rope hanging mould bases and bridge reinforcement weight concrete will be used for holding in the palm, the direction of the position cis bridge length locked by A type and Type B mould bases body, with movable ironware by wire line shoe each stress point in regulation, object is just with many wire rope, from the position of 2 Type B mould bases lockings, A pattern frame is clipped in the middle, when holder hang wire rope stressed time, A type and Type B mould bases just form a set of 34.8 meters long, the mould bases body of 4 meters wide, in construction, lifting and holder are hung and are respectively two kinds of operation sequences, the process of lifting, the height utilizing two bridges to pedal and bridge pedal the steel concrete of putting down in ground line, this holder is adopted to hang construction method, when watering bridge and pedaling concrete, put down in ground line place, the both sides that Ying Qiao pedals thickness respectively increase the reinforced concrete structure of 0.4 meter wide, the 0.4 meter of steel concrete caliper portion increased is mainly used in holding in the palm the irony hook accessory hanging connecting steel wire ropes, as shown in Figure 6, the connection buckle that wire rope is hung in each root holder is all provided with adjustment lead screw and cap nut, when every suit mould bases body needs adjust structure in construction, adjustment requirement can be met, the function of hoisting wirerope uses when mainly disassembling and install mould bases body, the order of lifting mould bases one end of wire rope is connected to No. 1 bridge to pedal, (for the ease of understand we bridge pedaled to pedal referred to as No. 1 bridge pedal with No. 2 bridges), put down on the concrete embedded stressed ironware of ground line fixing, again wire rope is pedaled traction to bridge with No. 1 bridge and pedal top, (pedal wire rope contact position, top at bridge and the semicircle support body of an irony should be set, holder is made to hang wire rope stressed when semicircular support body, wire rope and the semicircle support body of irony do not have right angle), form circumferential, steel wire penetrating No. 1 bridge is pedaled and is stressedly pedaled two rolling pulleies taken at the bottom of pulley in this bridge, pedal two rolling pulleies penetrated again on first Type B mould bases downwards with bridge after steel wire penetrating pulley, wire rope penetrates in two rolling pulley notches of second Type B mould bases to pedal at the bottom of upper head sheave through No. 2 bridges more again and sits bottom A pattern frame, as shown in Figure 8, the stressed rolling pulley taken at the bottom of pulley, the stressed rolling pulley of putting down in ground line is pedaled again through No. 2 bridges, finally connect hoist engine, by hoist engine the position winching to locking the load-bearing mould bases body of 34.8 meters long 4 meters wide, a set of lifting die set device will use 2 hoist engines, hoist engine want synchronous simultaneously stressed load-bearing mould bases is risen to winch to put down pedal plane in bridge.(suggestion, as: load-bearing mould bases can rise to winch to put down by the hoisting depth of crane pedals plane in bridge, can adopt 2 cranes synchronous construction method of being lifted by crane by load-bearing mould bases simultaneously.
Construction method is hung in holder, when the mould bases lifted by crane arrives assigned position, one end that wire rope is hung in holder is fixed on No. 1 bridge and pedals the concrete embedded stressed ironware in ground line place and buckle fixing, then every root wire rope is symmetrical stressed in two Type B mould bases lower end base with arrangement in order, as shown in Figure 7, wire rope contact Type B load-bearing mould bases place is hung in holder, Yin Tuo hangs stressed place and there is no rotary rolling process, suggestion Type B mould bases contact holder is hung wire rope place and should be arranged irony semicircular structure, in construction, two bridges are pedaled holder and are hung stressed wire rope place and do not adopt rolling pulley, only adopt a brandreth, ironware card only need firmly be fixed on bridge and pedal by the brandreth contact bridge place of pedaling, as shown in Figure 9, but wire rope place must arrange semi-circular shape structure in contact, object is exactly can have certain circular degree when brandreth walked around by wire rope.As shown in Figure 9, No. 2 bridges pedal put down in ground holder hang wire rope connect buckle be provided with micromatic setting, the bridge mould bases body hung when stressed holder does not reach requirement, or every stressed inequality of steel cable, or estimate inaccurate (because wire rope is after bearing weight due to the tensile strength of wire rope, the whole load of wire rope load-bearing all will to sinking pendant, so whole mould bases body will upwards be improved certain size by structure mould bases, when wire rope is when tensile strength scope is to sinking pendant, whole mould bases body could be put down and be pedaled in bridge the assigned position meeting pouring steel concrete), thus when arranging holder and hanging mould bases position, just the tensile strength of stressed for wire rope rear heavy pendant gravity and tenesmus amount factor should be taken into account.Hang mould bases due to every suit holder and only have 4 meters of width, so will adopt same procedure that the mould bases of 4 meters wide, 7 cover is combined could tie formation one 35 meters long, the overall mould bases of 28 meters wide, when lifting by crane good a set of 35 meters of long mould bases, just hoisting wirerope and hoist engine are gone to lift by crane other mould bases again, hoisting wirerope only needs the wire rope of cooperation two hoist engines.
When disassembling, just can reserve when placing of concrete on concrete-bridge disassemble mould bases hole diameter at 0.1 meter, method can adopt hoist engine or crane, the hole that steel wire penetrating bridge reserves by stressed for wire rope in mould bases body, then the wire rope of mould bases is hung in holder and firm unclamp, when disassembling, mould bases should be disassembled by a set of carrying out.
Accompanying drawing illustrates:
Sit at the bottom of Fig. 1, expression pulley
Fig. 2, expression A type load-bearing mould bases
Fig. 3, expression Type B load-bearing mould bases
Fig. 4, when representing that A type load-bearing mould bases and 2 Type B load-bearing mould bases match, mould bases body is placed in the ground line shape between No. 1 bridge is pedaled and No. 2 bridges are pedaled span.
Fig. 5, expression A type load-bearing mould bases and 2 Type B load-bearing mould bases coordinate shape during hook.
Fig. 6, represent to put down and pedal 0.4 meter of steel concrete that thickness both sides increase and embedded iron parts in ground line bridge and connect holder and hang the junction button of wire rope.
Fig. 7, represent that holder is hung the stressed Type B load-bearing mould bases wire rope of walking around of wire rope and to be put in order shape.
Fig. 8, expression A pattern support body and Type B mould bases body, in hook mated condition process, work the position shape winching to pouring Reinforced Concrete Bridge.
The stressed semicircle brandreth shape walked around bridge and pedal of wire rope is hung in Fig. 9, expression holder
In figure, (1) represents rolling pulley, (2) represent and sit at the bottom of pulley, (3) represent that A type load-bearing mould bases links up with stress point mutually with Type B load-bearing mould bases, (4) Type B load-bearing mould bases phase hook stress point is represented, (5) rolling pulley be arranged on Type B load-bearing mould bases body is represented, (7) represent that bridge is pedaled, (8) the wire rope junction button being embedded in exposing surface in concrete is represented, (9) represent that the shape that puts in order of wire rope is hung in holder, (10) expression is arranged on the brandreth that bridge pedals upper semi-circle shape, (11) represent by the Type B load-bearing mould bases body being lifted to pouring Reinforced Concrete Bridge position, (12) expression is lifted to pouring Reinforced Concrete Bridge position A type load-bearing mould bases body, (13) expression is lifted by crane and is held in the palm the wire rope hung, (14) concrete of putting down in the pre-buried junction button of ground line and ironware is represented, (15) represent that the junction button Anhui musical styly device of wire rope is hung in lifting and holder, (16) rolling pulley that holder uses when hanging junction button and lifting and fastener is represented, (17) hoist engine is represented, (18) represent that wire rope is hung in holder, (19) represent that being arranged on bridge pedals the semicircle ironware that wire rope is hung in pop-up.
Detailed description of the invention
When this construction will use this device, first the termination of two covers hoisting wirerope (13) is connected on junction button (8) that No. 1 bridge pedals (7) and reinforces, again wire rope (13) is penetrated at the bottom of the pulley that No. 1 bridge pedals on (7) and sit (2), wire rope (13) the stressed grain of the pulley in pulley (1) mouth, wire rope (13) penetrates and is placed in two bridges in advance and pedals in the A type (12) between span and pulley (1) the poor mouth bottom Type B (11) mould bases body, wire rope (13) draws in the pulley grain mouth sitting (2) at the bottom of the pulley on No. 2 Qiao Deng tops again, wire rope (13) is stressed in pulley (2) poor mouth again, wire rope (13) penetrates the rolling pulley (16) connecting buckle, again by 2 hoist engines (17) synchronous position mould bases body being winched to regulation simultaneously, then the holder in advance when putting mould bases with regard to being stuck in Type B mould bases (11) latched position is hung wire rope (18) traction to each junction button (15) place, order is hung in holder, it is firm that one termination of first holder being hung wire rope (18) is connected to junction button (15) place, holder is hung wire rope (18) and is walked around No. 1 bridge and pedal that (7) are stressed draws each stressed place of Type B mould bases (11) again in semicircle brandreth (19), most butt hangs wire rope (18) and walks around junction button (16) place, stressed in the fastener connecting buckle, adopt the fastener and lead screw that connect buckle, the planeness between independent die frame is often overlapped in cap nut adjustment, when the lifting of every suit mould bases is in place, holder hang wire rope (18) stressed after, the wire rope (13) of lifting mould bases should be unclamped and disassemble, go again to lift by crane other a set of mould bases, as: it is in place that employing crane carries out lifting mould bases body, after the synchronous lifting that mould bases body is a set of simultaneously of two cranes can be adopted in place, and then carry out holder and hang mould bases body.
Claims (1)
1. the construction method that mould bases replaces ground supporting die frame is hung in the stressed holder of cast-in-place concrete bridge wire rope, comprise mould bases, template, it is characterized in that: every suit boom hoisting has 4 bases, 16 rolling pulleies, the load-bearing mould bases body of 3 load-bearing pouring Reinforced Concrete Bridge, 3 load-bearing mould bases bodies are respectively 1 A type load-bearing mould bases body, A type load-bearing mould bases body length two ends are provided with the hook accessory coordinated with Type B load-bearing mould bases body, 2 Type B load-bearing mould bases bodies, Type B load-bearing mould bases body is provided with hook accessory at connection A type load-bearing mould bases body lower end, also be provided with the rolling pulley 4 used when coordinating lifting load-bearing mould bases body in addition,
The project organization of boom hoisting is: the lower end, bottom of steel wire penetrating A type load-bearing mould bases body and 2 Type B load-bearing mould bases bodies is also stressed, now wire rope has hugged that two Type B load-bearing mould bases bodies are stressed upwards to be lifted by crane, A type load-bearing mould bases body is stuck in the centre of two Type B load-bearing mould bases bodies according to it along bridge length direction, the hook accessory that the hook accessory at A type load-bearing mould bases body length two ends and Type B load-bearing mould bases body the are arranged hook that automatically cooperatively interacts is firm, simultaneously, the upper end position of A type load-bearing mould bases body and two Type B load-bearing mould bases bodies and the contact position of this two profiles load-bearing mould bases body can because of the deadweight of load-bearing mould bases body to sinking pendants when wire rope upwards promotes, thus A type load-bearing mould bases body is stuck in the middle of 2 Type B load-bearing mould bases bodies, A type load-bearing mould bases body and 2 Type B load-bearing mould bases body cis form a set of overall load-bearing mould bases body thus, A type load-bearing mould bases embodies and is set as 20 meters long, 4 meters wide, the shape of 3.5 meters high, it is long that Type B load-bearing mould bases embodies setting 7.4 meters, 4 meters wide, Type B load-bearing mould bases body is set as 3.5 meters with the height of one end that A type load-bearing mould bases body is connected, one end is set as 1.5 meters high in addition, accessory has junction button, lead screw, cap nut, wire rope, the securing member of fastening steel wire rope, the gross weight that the length of wire rope and thickness and radical should hang pouring steel concrete according to construction holder determines, construction method, Type B load-bearing mould bases body is put the side pedaled at Liang Qiao along pontic shape, again A type load-bearing mould bases body is stuck in the centre of two Type B load-bearing mould bases bodies along bridge length direction, pedal between distance at Liang Qiao and be just combined into one 34.8 meters long, the load-bearing mould bases body of the placing of concrete bridge of 4 meters wide, the wire rope hanging load-bearing mould bases body and bridge reinforcement weight concrete will be used for holding in the palm, the position locked by A type load-bearing mould bases body and Type B load-bearing mould bases body is along the direction of bridge length, with movable ironware by wire line shoe each stress point in regulation, many wire rope are clipped in the middle A type load-bearing mould bases body from the position that 2 Type B load-bearing mould bases bodies lock, when wire rope is stressed, A type load-bearing mould bases body and Type B load-bearing mould bases body just form a set of 34.8 meters long, the load-bearing mould bases body of 4 meters wide,
In construction, lifting and holder are hung and are respectively two kinds of operation sequences, the height utilizing two bridges to pedal in the process of lifting and bridge pedal the steel concrete of putting down in ground line, adopt this hoisting construction method, when watering bridge and pedaling concrete, put down in ground line place, the both sides that Ying Qiao pedals thickness respectively increase the steel concrete of 0.4 meter wide, the 0.4 meter of steel concrete caliper portion increased is mainly used in holding in the palm the irony hook accessory hanging connecting steel wire ropes, the connection buckle of every steel cable is all provided with adjustment lead screw and cap nut, the function of wire rope uses when mainly disassembling and install load-bearing mould bases body, the order of lifting load-bearing mould bases body one end of wire rope is connected to No. 1 bridge pedal and buckle fixing putting down the pre-buried stressed ironware in the steel concrete of ground line, again the wire rope other end is pedaled traction to bridge with No. 1 bridge and pedal top, steel wire penetrating No. 1 bridge pedals stressed two rolling pulleies pedaled in this bridge on base, pedal two rolling pulleies penetrated again on first Type B load-bearing mould bases body downwards with bridge after steel wire penetrating rolling pulley, wire rope penetrates in two rolling pulley notches of second Type B load-bearing mould bases body again through No. 2 Qiao Deng upper end rolling pulley bases bottom A type load-bearing mould bases body again, stressed rolling pulley on base, the stressed rolling pulley of putting down in ground line is pedaled again through No. 2 bridges, finally connect hoist engine, by hoist engine 34.8 meters, the load-bearing mould bases body of long 4 meters wide works the position winching to locking, a set of lifting load-bearing mould bases body device will use 2 hoist engines, hoist engine want synchronous simultaneously stressed load-bearing mould bases body is risen to winch to put down pedal plane in bridge, or load-bearing mould bases body can rise to winch to put down and pedals plane in bridge by the hoisting depth of crane, adopt 2 cranes synchronous construction method of being lifted by crane by load-bearing mould bases body simultaneously,
Construction method is hung in holder, when the load-bearing mould bases body lifted by crane arrives assigned position, one end of wire rope is fixed on No. 1 bridge and pedals the pre-buried stressed ironware of putting down in ground line place steel concrete and buckle fixing, then every root wire rope arranges symmetrical stressed in two Type B load-bearing mould bases body lower end base in order, wire rope draws into No. 2 Qiao Deng tops again, at wire rope contact Type B load-bearing mould bases body place, Yin Tuo hangs stressed place and there is no rotary rolling process, Type B load-bearing mould bases body contact wire rope place should arrange irony semicircular structure, or two bridges are pedaled holder and are hung stressed wire rope place and do not adopt rolling pulley in construction, only adopt a brandreth, brandreth card only need firmly be fixed on bridge and pedal by the brandreth contact bridge place of pedaling, but wire rope place must arrange semicircular structure in contact, certain circular degree can be had exactly when brandreth walked around by wire rope, connection buckle walked around by last wire rope, stressed in the fastener connecting buckle, pedal the wire rope connection buckle of putting down in ground at No. 2 bridges and be provided with micromatic setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110358594.XA CN103103922B (en) | 2011-11-09 | 2011-11-09 | The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110358594.XA CN103103922B (en) | 2011-11-09 | 2011-11-09 | The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103103922A CN103103922A (en) | 2013-05-15 |
| CN103103922B true CN103103922B (en) | 2015-09-02 |
Family
ID=48312096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110358594.XA Expired - Fee Related CN103103922B (en) | 2011-11-09 | 2011-11-09 | The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103103922B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893796B (en) * | 2019-03-14 | 2020-09-22 | 陕西铁路工程职业技术学院 | Anti-falling safety rope device for crossing operation of high-speed rail bridge girder erection machine |
| CN110396933B (en) * | 2019-07-25 | 2021-10-15 | 张卫国 | Formwork erecting device and method for bridge construction |
| CN111188288B (en) * | 2020-02-26 | 2021-08-24 | 中铁七局集团郑州工程有限公司 | Construction method for replacing key points of business line of high-speed railway |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989218A (en) * | 1973-07-17 | 1976-11-02 | Societe D'etudes De Genie Civil Et De Techniques Industrielles (Ge.C.T.I.) | Cantilever form used in bridge construction |
| JP2002339318A (en) * | 2001-05-21 | 2002-11-27 | Ohbayashi Corp | Reinforcing method of underwater structure |
| JP3922455B2 (en) * | 2003-06-06 | 2007-05-30 | Ｊｆｅ工建株式会社 | Formwork support mechanism, beam holding jig, floor slab placement method |
| KR100958014B1 (en) * | 2010-01-29 | 2010-05-17 | 변형균 | Construction method of steel composite girder bridge |
| CN201933784U (en) * | 2010-05-15 | 2011-08-17 | 陈永生 | Device for combining mould frame for hanging and casting cement, building material lifting equipment and hanging box for high-rise buildings |
| CN102116084B (en) * | 2010-12-10 | 2013-09-04 | 陈永生 | Hanging formwork device replacing supporting formwork for pouring concrete floor slab in multilayer building |
-
2011
- 2011-11-09 CN CN201110358594.XA patent/CN103103922B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103103922A (en) | 2013-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101476293B (en) | Non-stand construction method for large bridge arch rib | |
| CN104631333B (en) | Arch bridge needle beam, stringer and floorings cast-in-place construction travelling bridge and method | |
| CN102913248B (en) | The overall upset hanging template of wholecircle and formwork erection, release method | |
| CN204958134U (en) | Prefabricated floor plate special hoisting bar | |
| CN208815424U (en) | A kind of bridge descending hanging basket | |
| CN109853394A (en) | Arch bridge cable hoisting tower button integrated construction engineering method | |
| CN201962932U (en) | Building construction segmented overhung outer scaffold | |
| CN103103922B (en) | The stressed holder of cast-in-place concrete bridge wire rope is hung mould bases and is replaced ground supporting die frame | |
| CN108396754A (en) | A kind of floating construction method for spelling steel cofferdam and its lower water of suspention | |
| CN209455933U (en) | A kind of superimposed sheet lifting appliance for hoisting | |
| CN202926333U (en) | Hanging system of whole-circle integral upside down hanging formwork | |
| CN202926332U (en) | Whole-circle integral upside down hanging formwork | |
| CN203755173U (en) | Formwork device used for hydraulic climbing of bridge high pier | |
| CN207330116U (en) | Pre-install stair connection structure | |
| CN203461720U (en) | Simple cantilever hoisting machine | |
| CN202347846U (en) | Simple lifting setting stair steel moulding plate | |
| CN109252522A (en) | Pile pulling device is adjusted in low spatial | |
| CN205634601U (en) | Steel reinforcement cage of circulated use lifts by crane instrument | |
| CN211891352U (en) | Precast concrete stair section with multipurpose hole utensil | |
| CN208235590U (en) | A kind of rectangle vertical shaft sliding sash turning-over | |
| CN213679457U (en) | A mounting platform for large-tonnage precast tubular pile | |
| CN202518930U (en) | Lifting appliance structure for hoisting steel reinforcement cage | |
| CN204823757U (en) | Downhill path hoist of setting a roof beam in place on stride | |
| CN201193400Y (en) | Hoisting falsework for building high lattice antenna on top of buildings | |
| CN213679442U (en) | Building concrete prefabricated laminated slab lifting appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20171109 |