CN105544966B - A kind of formwork reinforcement system and construction method of the fair-faced sloping core of wide-angle - Google Patents

A kind of formwork reinforcement system and construction method of the fair-faced sloping core of wide-angle Download PDF

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Publication number
CN105544966B
CN105544966B CN201610066641.6A CN201610066641A CN105544966B CN 105544966 B CN105544966 B CN 105544966B CN 201610066641 A CN201610066641 A CN 201610066641A CN 105544966 B CN105544966 B CN 105544966B
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China
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framed bent
sloping core
cross bar
bar
switching
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CN105544966A (en
Inventor
申屠洋锋
杨冬辉
刘建华
张鸿飞
李红智
江莹
唐玲龙
韩文奇
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/22Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising and which are not anchored in the hardened concrete; Arrangements of lifting means therefor

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Revetment (AREA)

Abstract

The invention discloses the formwork reinforcement system and construction method of a kind of fair-faced sloping core of wide-angle, formwork reinforcement system includes:Back cord structure;Vertical guide, it is installed in back cord structure;First switching cross bar, is installed in vertical guide by height limit block;Second switching cross bar, is installed on base surface by spacing earth anchor;Sloping core framed bent, including framed bent brace, framed bent vertical rod and framed bent cross bar;The top of framed bent brace is connected by the first U-shaped jacking with the first switching cross bar, and the bottom of framed bent brace is connected by U-shaped bottom support with the second switching cross bar;The bottom of framed bent vertical rod is fixed on base surface, and the top of framed bent vertical rod is connected by the second U-shaped jacking with the first switching cross bar.On the one hand the present invention meets the axially loaded of knighthead and supported rod erecting, on the other hand realizes departing between vertical guide and sloping core framed bent using setting the first switching cross bar to be connected together with framed bent vertical rod and framed bent brace in vertical guide.

Description

A kind of formwork reinforcement system and construction method of the fair-faced sloping core of wide-angle
Technical field
The present invention relates to the realm of building construction, more particularly to a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle and Construction method.
Background technology
Lifting of the sloping core of multi-angle for template, dismounting have larger difficulty, and support system will not only reach adjustment Template angle stability still suffers from wall pressure and thrust.Wide-angle clear water sloping core produce larger level point to power, such as The stress node of what reliable design, makes reinforcement system " motionless ", is the key factor that sloping core clear water effect ensures.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, can not only reach adjustment template angle stability, moreover it is possible to hold By the formwork reinforcement system and construction method of the fair-faced sloping core of wide-angle of sloping core pressure and thrust.
To realize above-mentioned technique effect, the invention discloses a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle, Including:
Back cord structure, located at the back side of clear water sloping core template;
Vertical guide, it is installed on the back side of the back cord structure;
First switching cross bar, is installed in the vertical guide by height limit block;
Second switching cross bar, is installed on base surface by spacing earth anchor;
Sloping core framed bent, including framed bent brace, framed bent vertical rod and the row being connected between framed bent brace and the framed bent vertical rod Frame cross bar;The top of the framed bent brace is connected by the first U-shaped jacking with the described first switching cross bar, the framed bent brace Bottom is connected by U-shaped bottom support with the described second switching cross bar;The bottom of the framed bent vertical rod is fixed on base surface, the row The top for erecting bar is connected by the second U-shaped jacking with the described first switching cross bar.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the back cord structure includes Form board frame, the horizontal bar back cord in the Form board frame and in the Form board frame and with the horizontal bar back cord hand over Pitch the vertical bars back cord of connection;The back cord structure also includes the multiple tracks connecting cross beam laid at interval, the both ends of the connecting cross beam It is connected with the Form board frame, the vertical guide is installed on the connecting cross beam by HOOK BOLTS.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the connecting cross beam is groove Gooseneck;The vertical guide is double flute steel guide rail, including the first U-bar guide rail and the second U-bar guide rail;The HOOK BOLTS bag Include located between first U-bar guide rail and the second U-bar guide rail thread segment, be screwed together on the thread segment screw up part and Located at the eave tile portion of described thread segment one end, the eave tile portion is hooked on the wing plate of the channel steel cross beam, on the thread segment Provided with limiting plate, the limiting plate is resisted against first U-bar guide rail and second channel-section steel is led in described screw up when part is tightened On rail.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the height limit block weldering It is connected in the vertical guide, the first switching cross bar is resisted against the lower section of the height limit block, and the framed bent vertical rod is led to Cross the lower section that the described second U-shaped jacking is supported in the first switching cross bar.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the top of the framed bent vertical rod End is provided with the first internal thread screw thread, and the second U-shaped jacking is screwed together on the first internal thread screw thread by the first screw rod.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the second U-shaped jacking Including the first bottom plate welded with first screw rod and the first side plate located at the first bottom plate both sides, first side plate On offer for described first the first U-shaped groove for engaging of switching cross bar.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the spacing earth anchor anchoring In on base surface, the second switching cross bar is resisted against the side for facing the clear water sloping core template of the spacing earth anchor On.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the top of the framed bent brace End is provided with the second internal thread screw thread, and the bottom of the framed bent brace is provided with the 3rd internal thread screw thread, and the first U-shaped jacking passes through Second screw rod is screwed together on the second internal thread screw thread, and the U-shaped bottom support is screwed together in spiral shell in the described 3rd by the 3rd screw rod On line screw thread.
The formwork reinforcement system of the fair-faced sloping core of wide-angle, which further improves, to be, the first U-shaped jacking Including the second bottom plate welded with second screw rod and the second side plate located at the second bottom plate both sides, second side plate It is provided with the second U-shaped groove for engaging with the described first switching cross bar;The U-shaped bottom support includes welding with the 3rd screw rod The 3rd bottom plate and the 3rd side plate located at the 3rd bottom plate both sides, the 3rd side plate be provided with for and described second switching 3rd U-shaped groove of cross bar engaging.
The invention also discloses a kind of construction method of the fair-faced sloping core of wide-angle, including step:
Set up sloping core framed bent, be included on base surface install framed bent vertical rod, by spacing earth anchor in installing on base surface Two switching cross bars, by U-shaped bottom support the bottom of framed bent brace is connected with the described second switching cross bar, in the framed bent vertical rod and Framed bent cross bar is connected between the framed bent brace;
Vertical guide is installed in the top of the framed bent brace and the framed bent vertical rod, including vertical guide it is interim in place, By height limit block in the switching of installation first cross bar in the vertical guide, by the first U-shaped jacking by the framed bent brace Top be connected with the described first switching cross bar, by the second U-shaped jacking by the top of the framed bent vertical rod and described first turn Connect cross bar connection;
In installation back cord structure in the vertical guide;
In installation clear water sloping core template in the back cord structure;
In colligation sloping core reinforcing bar in the clear water sloping core template;
In pouring sloping core concrete on the sloping core reinforcing bar.
The present invention makes it have following beneficial effect as a result of above technical scheme:Using the full hall frame of steel tube fastener The scheme being combined with reference to double flute steel guide rail, vertical guide is installed at the back side of clear water sloping core template, using in vertical guide Set the first switching cross bar to be connected with the top of framed bent vertical rod and framed bent cross bar, U-shaped jacking and first turn are used at connecting node Connect cross bar to be connected together, be connected using the second switching cross bar is installed on base surface with the bottom of framed bent brace, at connecting node Cross bar is connected with second to be connected together, on the one hand meet the axially loaded of knighthead and supported rod erecting using U-shaped bottom support, it is another Aspect realizes departing between vertical guide and sloping core framed bent, realizes lifting and the secondary use of clear water sloping core template.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention.
Fig. 2 is that the planar structure that bottom supports in a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention is shown It is intended to.
Fig. 3 is the planar junction of clear water sloping core template in a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention Structure schematic diagram.
Fig. 4 is Fig. 3 Section A-A schematic diagram.
Fig. 5 is that the mounting structure of HOOK BOLTS in a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention shows It is intended to.
Fig. 6 is the installation of the first switching cross bar in a kind of formwork reinforcement system of the fair-faced sloping core work of wide-angle of the present invention Structural representation.
Fig. 7 is Fig. 6 A views.
Fig. 8 is the installation knot of the second switching cross bar in a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention Structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation.
First, refering to shown in Fig. 1 and Fig. 2, a kind of formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention is main It is made up of back cord structure 11, switching cross bar 13, the second switching cross bar 14 of vertical guide 12, first and sloping core framed bent 15, it is main to use Installing and reinforcing in the metope template of each sloping core of small, the suitable for reading big oblique barrel structure of lower mouth, because of its Stability Analysis of Structures, support effect Fruit is good, the fair-faced sloping core construction of the wide-angle that is particularly suitable for use in.
Coordinate shown in Fig. 3 and Fig. 4, back cord structure 11 is located at the back side of clear water sloping core template 111, clear water sloping core template 111 General Visa (WISA) building template thick using 18mm;Back cord structure further comprises Form board frame 112, located at Form board frame Horizontal bar back cord 113 in 112 and in Form board frame 112 and with the vertical bars back cord 114 of the interconnection of horizontal bar back cord 113.Mould Edges of boards frame 112 can combine frame using 40mm × 40mm × 3mm with 60mm × 60mm × 3mm square steel tube;Horizontal bar back cord 113 can Using 40mm × 100mm × 3mm square steel tube, spacing is 40mm to 370mm;Vertical bars back cord 114 can use 40mm × 100mm × 3mm square steel tube, spacing 700mm, junction can be attached using D10 harness cord type high-strength bolts.
With reference to sloping core feature, it is necessary to transform the back cord structure of clear water sloping core template 111, in clear water sloping core template One of connecting cross beam 115 is laid in 111 back sides at interval of 1m or so, and the connecting cross beam 115 uses [100 channel steel cross beam, the channel-section steel The inner side wing plate of crossbeam and the back side of clear water sloping core template 111 are welded and fixed, both ends and the back cord structure 11 of the channel steel cross beam Form board frame 112 welds, sound construction, and integral rigidity is big.
Coordinate shown in Fig. 2 and Fig. 5, vertical guide 12 is double flute steel guide rail, including the first U-bar guide rail and second side by side The inner side wing plate of U-bar guide rail, the first U-bar guide rail and the second U-bar guide rail is vertically installed on the back side of clear water sloping core template 111 On horizontal bar back cord 113 and connecting cross beam 115.Outside is clear-water concrete effect in sloping core, substantial amounts of clear water segmentation cicada be present Suture, the arrangement of vertical guide 12 must follow three principles:First, vertical guide 12 need to avoid the list in clear water sloping core template 111 Layback knot screw hole, second, vertical guide 12 need to avoid the left side and right side of Form board frame 112, it is approximately at vertical vertical cicada Both sides 150mm~500mm range areas is stitched, third, meeting force request.
In the present invention, the first U-bar guide rail and the second U-bar guide rail are installed on clear water sloping core template by HOOK BOLTS 16 On the connecting cross beam 115 at 111 back sides, connecting cross beam 115 is channel steel cross beam, HOOK BOLTS 16 include located at the first U-bar guide rail and Thread segment 160 between second U-bar guide rail, it is screwed together on the thread segment 160 and screws up part 161 and located at the thread segment 160 1 The eave tile portion 162 at end, eave tile portion 162 are hooked on the outside wing plate of channel steel cross beam, and the thread segment 160 of HOOK BOLTS 16 is provided with Limiting plate 163, the limiting plate 163 are resisted against on the first U-bar guide rail and the second U-bar guide rail when screwing up part 161 and tightening, so as to Using HOOK BOLTS 16 by vertical guide 12 and 115 effective secured fit of connecting cross beam, moreover it is possible to prevent clear water sloping core template 111 Back cord structure glides because of gravity along vertical guide 12.
With reference to shown in Fig. 6 and Fig. 7, the first switching cross bar 13 is installed in vertical guide 12 by height limit block 18; The different height welding and assembling height limited block 18 of vertical guide 12, the height limit block 18 can use the short sides of 60mm × 60mm × 5mm Steel pipe, fixed with the ala lateralis plate weld of the first U-bar guide rail and the second U-bar guide rail;First switching cross bar 13 is resisted against height The lower section of limited block 18.
In conjunction with shown in Fig. 8, the second switching cross bar 14 is installed on base surface by spacing earth anchor 19;The spacing anchor of earth anchor 19 It is fixed on base surface, the second switching cross bar 14 is resisted against on the side for facing clear water sloping core template 111 of spacing earth anchor 19.
With reference to the characteristics of sloping core, measured on drawing according to one to one reinforcing, for the first switching He of cross bar 13 The position of second switching cross bar 14 and length, are laid in strict accordance with drawing length.
As shown in fig.1, sloping core framed bent 15 is made up of framed bent brace 151, framed bent vertical rod 152 and framed bent cross bar 153, framed bent The skewed horizontal load of brace 151 is between base surface and clear water sloping core template 111, and the vertical supporting of framed bent vertical rod 152 is in base surface and clearly Between water sloping core template 111, framed bent cross bar 153 is connected between framed bent brace 151 and framed bent vertical rod 152.Framed bent brace 151, Framed bent vertical rod 152 and framed bent cross bar 153 use steel pipe, are connected at node by fastener, form the full hall frame of steel tube fastener.
The vertical guide 12 of the arrangement of sloping core framed bent 15 and clear water sloping core template 111 is one-to-one, because vertically leading Rail 12 is the main joist of clear water sloping core template 111, and lower section is corresponding framed bent reinforcement system.Before construction, according to vertical guide 12 arrangement, the arrangement floor projection line of sloping core framed bent 15 is released, when setting up sloping core framed bent 15, is set up according to floor projection line, Ensure that there are framed bent vertical rod 152, framed bent cross bar 153 and the framed bent brace 151 of stress in the lower section of vertical guide 12, enable sloping core framed bent 15 Effective stress.
Because sloping core itself can produce the power of larger horizontal direction, very high requirement is proposed for reinforcement system, is needed Ensure the reliability and stability of skewed horizontal load root.By checking, it is necessary to ensure that framed bent brace 151 is in uniaxial force shape State, therefore first U-shaped jacking 171 is set on the top of framed bent brace 151, as shown in Figure 6 and Figure 7, in the bottom of framed bent brace 151 U-shaped bottom support 172 is set, as shown in figure 8, making framed bent brace 151 using the first U-shaped jacking 171 and the back side of clear water sloping core template 111 First switching cross bar 13 connect, using U-shaped bottom support 172 with base surface second transfer cross bar 14 be connected.
Wherein, framed bent brace 151 is steel pipe, and the top of framed bent brace 151 is provided with the second internal thread screw thread, framed bent brace 151 bottom is provided with the 3rd internal thread screw thread, and the first U-shaped jacking 171 is screwed together in the second internal thread screw thread by the second screw rod 201 On, U-shaped bottom support 172 is screwed together on the 3rd internal thread screw thread by the 3rd screw rod 202, using in the second screw rod 201 and second The outreach for screwing togather the first U-shaped jacking 171 of regulation between screw thread, utilizes the 3rd screw rod 202 and the 3rd internal thread silk The outreach for screwing togather regulation U-shaped bottom support 172 between button, regulation surplus is 150mm~200mm, ensures the He of sloping core framed bent 15 It is supported again after can departing between vertical guide 12, realizes lifting and the secondary use of clear water sloping core template 111.
First U-shaped jacking 171 includes second with the second bottom plate of the second screw rod 201 welding and located at the second bottom plate both sides Side plate, the second side plate are provided with the second U-shaped groove for engaging with the first switching cross bar 13;U-shaped bottom support 172 includes and the 3rd spiral shell The 3rd bottom plate and the 3rd side plate located at the 3rd bottom plate both sides that bar 202 welds, the 3rd side plate are provided with for horizontal with the second switching The 3rd U-shaped groove that bar 14 engages.
The lower bottom of the framed bent vertical rod 152 of sloping core framed bent 15 is fixed on base surface, and the top of framed bent vertical rod 152 is provided with Second U-shaped jacking 173, framed bent vertical rod 152 are supported in the lower section of the first switching cross bar 13 using the second U-shaped jacking 173.
Wherein, framed bent vertical rod 152 is steel pipe, and the top of framed bent vertical rod 152 is provided with the first internal thread screw thread, the second U-shaped top Support 173 is screwed together on the first internal thread screw thread by the first screw rod 203.Second U-shaped jacking 173 includes welding with the first screw rod 203 The first bottom plate and the first side plate located at the first bottom plate both sides connect, offer on the first side plate for blocking with the first switching cross bar 13 The the first U-shaped groove closed.
The formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention employs the full hall frame combination double flute steel of steel tube fastener The scheme that guide rail is combined.Vertical guide is installed at the back side of clear water sloping core template, utilizes first turn of the setting in vertical guide The top that cross bar is connect with framed bent vertical rod and framed bent cross bar is connected, and is engaged at connecting node using U-shaped jacking with the first switching cross bar Connection, it is connected using the second switching cross bar is installed on base surface with the bottom of framed bent brace, U-shaped bottom support is used at connecting node Cross bar is connected with second to be connected together, on the one hand meets the axially loaded of knighthead and supported rod erecting, is on the other hand realized perpendicular Departing between direction guiding rail and sloping core framed bent, realize lifting and the secondary use of clear water sloping core template.
The formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention is not only able to reach adjustment template angle stability, Sloping core pressure and thrust can also be born, clear water sloping core is carried out using the formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention During construction, mainly comprise the following steps:
Set up sloping core framed bent, be included on base surface install framed bent vertical rod, by spacing earth anchor in installing on base surface Two switching cross bars, by U-shaped bottom support by the bottom of framed bent brace with second transfer cross bar be connected, in framed bent vertical rod and framed bent brace Between connect framed bent cross bar;
Vertical guide is installed in the top of framed bent brace and framed bent vertical rod, including vertical guide it is interim in place, pass through height Limited block in vertical guide installation first switching cross bar, by the first U-shaped jacking by the top of framed bent brace with first switching Cross bar connects, is connected on the top of framed bent vertical rod with the first switching cross bar by the second U-shaped jacking;
In installation back cord structure in vertical guide;
In installation clear water sloping core template in back cord structure;
In colligation sloping core reinforcing bar in clear water sloping core template;
In pouring sloping core concrete on sloping core reinforcing bar.
Following preferred construction process can also be used in Specific construction:Lead wall pour → line setting → framed bent sets up → steel Structure installation → external monolayer reinforced mesh colligation and the interim in place → steel framework of reinforcing bar columnar region reinforcing bar colligation → double flute steel guide rail Formwork hoisting is in place → and accurate (block-by-block the Linking with foundation) → HOOK BOLTS connection steel framework in place of steel framework wooden model wears with guide rail → one side Plain form → second is clear on the inside of wall screw installation → inner side wall steel bar colligation → first dressing dust debris → installation Acceptance of subdivisional work → concrete placings → the form removals such as the reason dust debris → review of steel framework wooden model, fine setting → reinforcing bar, template, framed bent are supported Shield.
The clear water sloping core constructed using the formwork reinforcement system of the fair-faced sloping core of wide-angle of the present invention has preferable lotus Loading capability, supporting & stablizing and good integrity, being calculated by loading capability to the sloping core framed bent in the present invention below, with preferably The advantage of the present invention is shown, it is specific as follows:
1st, sloping core framed bent sets up parameter and sets up arrangement
52 ° of degree sloping core steel pipe advances are from for 900mm;68 ° and 72 ° of sloping core advances are 600mm;Transfer is 1200mm.
2nd, load calculates
A, dead load calculates
(1) template and girder deadweight standard value:G1k=0.75KN/m2
(2) young concrete deadweight standard value:G2k=24 × 0.55=13.2KN/m2
(3) component of the concrete sloping core perpendicular to template:G2k=24 × 0.55 × cos520=8.1KN/m2
(4) reinforcing bar deadweight standard value:G3k=1.1 × 0.55 × cos520=0.4KN/m2
B, mobile load calculates
(1) it is Q to topple over horizontal loading standard value caused by concrete3k=2KN/m2
C, Load Combination
Calculated according to ultimate limit states, Load Combination:
Straight down, S holds=0.9max [1.2 × (13.2+0.4+0.75)+1.4 × 2,1.35 × (13.2+0.4+ 0.75)+1.4 × 0.7 × 2]=19.2KN/m2=0.0192N/mm2
Perpendicular to template direction, S hangs down=cos52 ° of * 0.0192N/mm2=15.1kN/m2=0.0151N/mm2
Spacing between the main cant beam of twice is 1200mm, and the line load on main cant beam is calculated as follows:
Line load straight down takes P1=1200mm*0.0192N/mm2=23.0N/mm
Line load on template vertical beam direction takes
P2=0.0151N/mm2*1200mm=18.2N/mm
Using Two bors d's oeuveres 10# channel-section steels as template cant beam, scaffold tubes diameter 48mm, wall thickness 3.0mm.
3rd, 52 degree of sloping core framed bents calculate
Operating mode one:Consider concrete and construction loads is all applied in template and support straight down.
Load and restraint condition:Maximum support reaction 23.94kN<30kN;Maximum stress 100.6MPa<185MPa;Maximum becomes Shape 2.84mm<900/200=4.5mm.
Maximum distortion 2.84mm<900/200=4.5mm.
Operating mode two:Consider that component of the sloping core perpendicular to template face is undertaken by scaffold, parallel to template component by bottom Wall undertakes.Finally line load combined value is:23xcos52 °=14.2N/mm.
Load and restraint condition:Maximum stress 96.68MPa<185MPa;Maximum counter-force 21.83kN;Maximum distortion 3.8mm< 4.5mm。
4th, 68 degree of sloping core framed bents calculate
Calculated according to ultimate limit states, Load Combination:
Straight down, S holds=0.9max [1.2 × (13.2+0.4+0.75)+1.4 × 2,1.35 × (13.2+0.4+ 0.75)+1.4 × 0.7 × 2]=19.2KN/m2=0.0192N/mm2
Perpendicular to template direction, S hangs down=cos68 ° of * 0.0192N/mm2=8.6kN/m2=0.0086N/mm2
Spacing between twice cant beam is 1200mm, and the line load on cant beam is calculated as follows:
Line load straight down takes P1=1200mm*0.0192N/mm2=23.0N/mm
Line load on template vertical beam direction takes
P2=0.0086N/mm2* 1200mm=10.4N/mm
Using Two bors d's oeuveres 10# channel-section steels as template cant beam, scaffold tubes diameter 48mm, wall thickness 3.0mm.
Operating mode one, consider that load is all applied on template cant beam vertically.
Load and restraint condition:Maximum stress 76.7MPa;Maximum counter-force (axle power) 23.4kN;Maximum displacement 2.1mm.
Operating mode two, consider the load vertically component with template direction, be not considered parallel to the component in template direction.
Load and restraint condition:Maximum stress 50.0MPa;Maximum counter-force (axle power) 18.8kN;Maximum displacement 2.7mm.
The present invention is described in detail above in association with drawings and Examples, those skilled in the art can basis Described above makes many variations example to the present invention.Thus, some details in embodiment should not form limitation of the invention, The present invention will be used as protection scope of the present invention using the scope that appended claims define.

Claims (8)

  1. A kind of 1. formwork reinforcement system of the fair-faced sloping core of wide-angle, it is characterised in that including:
    Back cord structure, located at the back side of clear water sloping core template;
    Vertical guide, it is installed on the back side of the back cord structure;
    First switching cross bar, is installed in the vertical guide by height limit block;
    Second switching cross bar, is installed on base surface by spacing earth anchor;
    Sloping core framed bent, including framed bent brace, framed bent vertical rod and the framed bent horizontal stroke being connected between framed bent brace and the framed bent vertical rod Bar;The top of the framed bent brace is connected by the first U-shaped jacking with the described first switching cross bar, the bottom of the framed bent brace It is connected by U-shaped bottom support with the described second switching cross bar;The bottom of the framed bent vertical rod is fixed on base surface, and the framed bent is stood The top of bar is connected by the second U-shaped jacking with the described first switching cross bar;
    Wherein, in the vertical guide, the first switching cross bar is resisted against the height limit for the height limit block welding The lower section of position block, the framed bent vertical rod are supported in the lower section of the first switching cross bar by the described second U-shaped jacking;The limit Position earth anchor is anchored on base surface, and what the second switching cross bar was resisted against the spacing earth anchor faces the clear water sloping core mould On the side of plate.
  2. 2. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 1, it is characterised in that:The back cord knot Structure include Form board frame, the horizontal bar back cord in the Form board frame and in the Form board frame and with the horizontal bar The vertical bars back cord of back cord interconnection;The back cord structure also includes the multiple tracks connecting cross beam laid at interval, the connecting cross beam Both ends be connected with the Form board frame, the vertical guide is installed on the connecting cross beam by HOOK BOLTS.
  3. 3. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 2, it is characterised in that:The connection is horizontal Beam is channel steel cross beam;The vertical guide is double flute steel guide rail, including the first U-bar guide rail and the second U-bar guide rail;The eave tile Bolt includes located at the thread segment between first U-bar guide rail and the second U-bar guide rail, is screwed together in twisting on the thread segment Component and located at the eave tile portion of described thread segment one end, the eave tile portion is hooked on the wing plate of the channel steel cross beam, the spiral shell Line section is provided with limiting plate, and the limiting plate is resisted against first U-bar guide rail and described second in described screw up when part is tightened On U-bar guide rail.
  4. 4. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 3, it is characterised in that:The framed bent is stood The top of bar is provided with the first internal thread screw thread, and the second U-shaped jacking is screwed together in the first internal thread silk by the first screw rod Buckle.
  5. 5. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 4, it is characterised in that:2nd U Type jacking include with the first bottom plate of first screw rod welding and the first side plate located at the first bottom plate both sides, described the The first U-shaped groove for engaging with the described first switching cross bar is offered on side plate.
  6. 6. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 1, it is characterised in that:The framed bent is oblique The top of bar is provided with the second internal thread screw thread, and the bottom of the framed bent brace is provided with the 3rd internal thread screw thread, the first U-shaped top Support is screwed together on the second internal thread screw thread by the second screw rod, and the U-shaped bottom support is screwed together in described the by the 3rd screw rod On three internal thread screw threads.
  7. 7. the formwork reinforcement system of the fair-faced sloping core of wide-angle as claimed in claim 6, it is characterised in that:First U Type jacking include with the second bottom plate of second screw rod welding and the second side plate located at the second bottom plate both sides, described the Two side plates are provided with the second U-shaped groove for engaging with the described first switching cross bar;The U-shaped bottom support includes and the 3rd spiral shell The 3rd bottom plate and the 3rd side plate located at the 3rd bottom plate both sides of bar welding, the 3rd side plate are provided with for described the 3rd U-shaped groove of two switching cross bar engagings.
  8. 8. a kind of construction method of the fair-faced sloping core of wide-angle, it is characterised in that including step:
    Set up sloping core framed bent, be included on base surface install framed bent vertical rod, by spacing earth anchor on base surface install second turn Connect cross bar, by U-shaped bottom support by the bottom of framed bent brace with described second switching cross bar be connected, in the framed bent vertical rod with it is described Framed bent cross bar is connected between framed bent brace;
    Vertical guide is installed in the top of the framed bent brace and the framed bent vertical rod, including vertical guide it is interim in place, pass through Height limit block in the switching of installation first cross bar in the vertical guide, by the first U-shaped jacking by the top of the framed bent brace End is connected with the described first switching cross bar, is by the second U-shaped jacking that the top of the framed bent vertical rod and the described first switching is horizontal Bar connects;
    In installation back cord structure in the vertical guide;
    In installation clear water sloping core template in the back cord structure;
    In colligation sloping core reinforcing bar in the clear water sloping core template;
    In pouring sloping core concrete on the sloping core reinforcing bar.
CN201610066641.6A 2016-01-29 2016-01-29 A kind of formwork reinforcement system and construction method of the fair-faced sloping core of wide-angle Active CN105544966B (en)

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CN106854941B (en) * 2016-12-30 2019-05-10 中国建筑第八工程局有限公司 A kind of construction method of big section Stand Inclined Beams and batter post
CN110005203B (en) * 2019-03-27 2021-02-09 中建三局集团有限公司 Self-adaptive tool type inclined wall formwork supporting system and using method

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JPH07331872A (en) * 1994-06-09 1995-12-19 Fujita Corp Slide form moving device
JPH08284406A (en) * 1995-04-14 1996-10-29 Hazama Gumi Ltd Slidable form device and slidable form construction method
CN101397844B (en) * 2008-09-25 2011-01-26 陕西省第三建筑工程公司 Construction method of special section steel concrete composite structure inclined wall mould base engineering
CN201826522U (en) * 2010-10-14 2011-05-11 中国建筑股份有限公司 Inclined reinforced concrete wall form supporting system
CN103422668A (en) * 2013-08-09 2013-12-04 中建四局第六建筑工程有限公司 Construction method of super-thick large-slope shear wall and hydraulic self-jacking inclined creeping framework thereof
CN103967277B (en) * 2014-05-21 2016-08-17 中国建筑第八工程局有限公司 Super High Core Walls Structure tilts the construction method of shear wall
CN205476445U (en) * 2016-01-29 2016-08-17 中国建筑第八工程局有限公司 Wide -angle veneer clear water inclined wall 's template system of consolidating

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