CN102383628A - Construction device and construction method for post-construction decompression cone of silo structure - Google Patents
Construction device and construction method for post-construction decompression cone of silo structure Download PDFInfo
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- CN102383628A CN102383628A CN2011102550695A CN201110255069A CN102383628A CN 102383628 A CN102383628 A CN 102383628A CN 2011102550695 A CN2011102550695 A CN 2011102550695A CN 201110255069 A CN201110255069 A CN 201110255069A CN 102383628 A CN102383628 A CN 102383628A
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- 230000006837 decompression Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000009415 formwork Methods 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000011218 segmentation Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 4
- 238000005204 segregation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a construction device and a construction method for constructing a decompression cone after a silo structure. The invention has the advantages that the concrete can not generate segregation phenomenon in the vibrating process, the concrete is formed in a limited space, the forming quality and the construction speed of the concrete are ensured, the cross operation construction of a plurality of working procedures and the total construction period of a project are short, and the like. The method can be widely applied to the construction of the cast-in-place concrete of the decompression cone in a cement plant.
Description
Technical field
The present invention relates to decompression awl construction equipment and job practices in a kind of cement factory building.
Background technology
Silo structure is the important structure in the cement factory building; It is big owing to volume, and the gradient is big, and is the high-altitude construction; In its concrete cast-in-situ construction, there is the execute-in-place complex process; The big construction period of practical operation difficulty is long, because heavy grade causes construction Difficulties such as the easy segregation of concrete, therefore how using a kind of new technology simple, convenient can better faster more safely construction equipment be a useful problem.
Summary of the invention
The construction equipment and the job practices that the purpose of this invention is to provide construction decompression awl behind a kind of silo structure will solve long construction period in the construction of existing silo structure decompression awl, and concrete is emanated easily, the technical problem that construction quality is difficult to guarantee.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
The constructing device of construction decompression awl behind a kind of silo structure; Said decompression awl is cast-in-place in completed silo; Comprise and water awl base ring beam, conical inner body and plain concrete awl point earlier; It is said that to water awl base ring beam earlier cast-in-place on the outstanding bracket of completed silo inwall; Said conical inner body and plain concrete are bored sharp segmentation and are built; Be embedded with built-in fitting on the said completed silo inwall; Be reserved with on the said conical inner body and reserve the hole, the constructing device of said decompression awl is included as constructs high-supported formwork that facilitates and the plate device that is used and builds device;
Said high-supported formwork comprises that said hound is from the inner high-supported formwork of the oblique cone of decompression awl from watering the inner high-supported formwork of awl base ring beam to the cone of conical inner body layering setting earlier, install the outside high-supported formwork of cone that formerly waters awl base ring top surface of the beam to plain concrete awl point and watering the hound that bottom, awl base ring soffit is provided with to top, conical inner body bottom surface successively at interval from earlier;
Said plate device is for water awl base ring soffit to the inner formword panel at top, conical inner body bottom surface segmentation setting successively earlier and water awl base ring top surface of the beam to the plain concrete awl ogival exterior sheathing panel of segmentation setting successively certainly earlier certainly; Pass through between said inner formword panel and the exterior sheathing panel pull bar B drawknot; Pass through between the said exterior sheathing panel pull bar A drawknot; The outer pair steel pipe keel that are provided with at interval of said exterior sheathing panel are lined with the flitch back cord between the said pair of steel pipe keel, and said flitch back cord encloses purlin with two steel pipe keel through the peripheral hoop of hoop; Said inner formword panel is outside equipped with two steel pipe keel, and said pair of steel pipe keel enclose hoop through hoop to be fixed;
Saidly build the ground pump line that device comprises ground pump and segmentation lifting; Said ground pump line is connected with the ground pump; And pass from the reservation hole of conical inner body, hang on the built-in fitting on the completed silo, be promoted to the top of plain concrete awl point simultaneously piecemeal with setting up of the outside high-supported formwork of cone.
Enclose hoop in the said hoop and be ring-like reinforcing bar and ring-like steel pipe interval arranged alternate.
Said built-in fitting is pre-buried bar dowel or pre-buried crotch.
Saidly pull bar A is meter word distributes on same horizontal plane.
Said watering earlier between awl base ring beam and the completed silo inwall separates through polystyrene board.
The inner high-supported formwork of said cone and cone outside high-supported formwork be vertical rod and cross bar in length and breadth colligation form, said vertical rod and cross bar length all change with the conical inner body gradient.
Construction equipment according to the invention be used to the to reduce pressure method of awl construction is following:
At first, installing of high-supported formwork scaffold: backfill is tamped handled and build 200～300mmC20 plain concrete, support body bottom cushion block is general to adopt elongated channel-section steel to carry out place mat, and falsework whenever is provided with cross horizontal reinforcing bar together at a distance from 2 steps;
The operation layer passage is completely spread scaffold floor, and scaffold floor two is firm with the scaffold tube colligation with iron wire.Safe blanket net and horizon bar colligation are firm.
Secondly; The cone template construction: conical inner body inner and outer template panel adopts plank sheathing; Establish pull bar between the inner and outer template panel; Whenever be provided with together pull bar at a distance from 500mm in length and breadth along the cone hypotenuse; Interior anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange that hoop adopts steel hoop and annular steel pipe spacing arranged crosswise; Outer anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange; Hoop adopts steel hoop spacing 500mm to arrange; Back cord adopts flitch; Arrange along cone wall direction spacing 100mm; Be fixed on inboard circumferential reinforcement and the steel pipe; The ring beam bottom whenever is provided with a hound at a distance from 500mm in length and breadth along the cone hypotenuse, and the cone wall bottom whenever is provided with a hound at a distance from 1000mm in length and breadth along the cone hypotenuse; Cone top solid section is provided with 3 roads and connects pull bar, and per pass is M shape to pull bar to be arranged, and encloses purlin with 6 road reinforcing bars.
Then, the concrete order of building: at first pour into a mould ring beam concrete to hole to be provided oral area position; Next builds the concrete of hole to be provided top cone wall, and the segmentation of cone concrete is built, and builds for every section highly to be 2m; Build vertex of a cone concrete at last.For guaranteeing support body stability, to build layering and carry out, every layer thickness is no more than 500mm, and the intermittent time is not more than 1 hour.Adopt ground pump pumping of concrete to the cone wall top, and then with tower crane handling concreting.The ground pump line is upward through conical inner body reservation hole along frame column and fixedly picks out the flexible pipe discharging to watering barrel built-in fitting place, awl base ring beam top earlier along the frame column of cone base, and with tower crane handling concreting.Treat to water earlier awl base ring beam build finish after; Whenever build one section cone wall concrete; The ground pump line is along the discharging of barrel rising corresponding height, supplies the tower crane suspension bucket handling concrete that connects material at the wooden discharging platform of flexible pipe arranged beneath, and the ground pump line is fixed through the outside high-supported formwork of cone.When building the concrete of cone wall, ring beam infall, making firm by ramming with artificial inside is that main external vibration is auxilliary coordinative construction, answers each a little perdurabgility of vibrating of shaking so that concrete is closely knit is as the criterion, and promptly the surface presents laitance and concrete no longer sinks.Insert the 50～100mm in the concrete of initial set not as yet of lower floor when vibrating, levels is fully combined, vibrator is inserted the displacement of point should not be greater than 1.5 times of its operating radius.Vibrator should be greater than 1/2 of its operating radius apart from template.Insert point mode and adopt alternating expression.
Concrete curing: concrete treats after the form removal that immediately curing time must not be less than 7 days to the exposed surface maintenance of sprinkling water, and the watering number of times is as the criterion to keep the concrete surface wettability.
At last, ring beam, cone wall concrete strength reach 100% back stripping.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention reserves the hole through on conical inner body, being reserved with; Can after the construction of awl base ring beam is accomplished, can carry out the inner high-supported formwork of cone sets up; When guaranteeing concrete construction safety and quality, but also can accelerate speed of application, multinomial operation cross-operation construction, shorten total duration of engineering.
Because the restriction of inner formword panel and exterior sheathing panel, concrete can not produce segregation phenomenon in the process of vibrating, and makes concrete in limited space moulding, has guaranteed concrete Forming Quality during concreting of the present invention.
Decompression awl according to the invention back construction equipment is simple in structure, and it is convenient, safe to implement.
The present invention can be widely used in the decompression awl cast-in-situ concrete construction in the cement factory building.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Fig. 1 is template of the present invention and high trestle structural representation.
Fig. 2 is the A place detail drawing of Fig. 1.
The A-A sectional view of Fig. 3 Fig. 1.
Fig. 4 is the B-B sectional view of Fig. 1.
Fig. 5 is the C-C sectional view of Fig. 1.
Fig. 6 builds the apparatus structure sketch map.
Fig. 7 is the sketch map that the ground pump line rises with the outside high-supported formwork of cone.
Fig. 8 is the sketch map that the ground pump line rises to plain concrete awl ogival.
The completed silo of Reference numeral: 1-; 1.1-bracket; The 2-awl that reduces pressure; 2.1-water awl base ring beam earlier; 2.2-conical inner body; 2.3-plain concrete awl point; 3-reserves the hole; The inner high-supported formwork of 4-cone; The outside high-supported formwork of 5-cone; The 6-built-in fitting; 7-ground don't be managed; 8-ground pump; 9-is to pull bar A; 10-is to pull bar B; 11-exterior sheathing panel; 12-inner formword panel; The peripheral hoop of 13-hoop; The two steel pipe keel of 14-; 15-flitch back cord; Enclose hoop in the 16-hoop; 16.1-circumferential reinforcement; 16.2-hoop steel pipe; The 17-hound; The 18-polystyrene board.
The specific embodiment
Embodiment is referring to shown in Figure 1; The construction equipment of construction decompression awl behind a kind of silo structure; It is 2 cast-in-place in completed silo 1 that said decompression is bored, and comprises watering awl base ring beam 2.1, conical inner body 2.2 and plain concrete awl point 2.3 earlier, and said to water awl base ring beam 2.1 earlier cast-in-place on the outstanding bracket 1.1 of completed silo 1 inwall; Said conical inner body 2.2 is bored sharp 2.3 segmentations with plain concrete and is built; Be embedded with built-in fitting 6 on said completed silo 1 inwall, be reserved with on the said conical inner body 2.2 and reserve hole 3, the construction equipment of said decompression awl 2 is included as constructs high-supported formwork that facilitates and the plate device that is used and builds device; Said high-supported formwork comprises that said hound 17 is from the inner high-supported formworks 4 of decompression awl 2 oblique cones from watering the inner high-supported formwork 4 of awl base ring beam 2.1 to the cone of conical inner body 2.2 layering settings earlier, install the outside high-supported formwork 5 of cone that formerly waters awl base ring top surface of the beam to plain concrete awl point 2.3 and watering the hound 17 that bottom, awl base ring soffit is provided with to top, conical inner body bottom surface successively at interval from earlier;
Said plate device is referring to Fig. 2～Fig. 5; For watering awl base ring beam 2.1 bottom surfaces to the inner formword panel 12 at top, conical inner body 2.2 bottom surface segmentation setting successively certainly earlier and watering awl base ring beam 2.1 end faces to plain concrete certainly earlier and bore the sharp 2.3 tops exterior sheathing panel 11 of segmentation setting successively; Pass through between said inner formword panel 12 and the exterior sheathing panel 11 pull bar B10 drawknot; Pass through between the said exterior sheathing panel 11 pull bar A9 drawknot; The said exterior sheathing panel 11 outer pair steel pipe keel 14 that are provided with at interval are lined with flitch back cord 15 between the said pair of steel pipe keel 14, and said flitch back cord 15 encloses purlin with two steel pipe keel 14 through the peripheral hoop 13 of hoop; Said inner formword panel 11 is outside equipped with two steel pipe keel 14, and said pair of steel pipe keel 14 enclose hoop 16 through hoop to be fixed; Enclose hoop 16 in the said hoop and be ring-like reinforcing bar 16.1 and ring-like steel pipe 16.2 interval arranged alternate.Saidly pull bar A9 is meter word distributes on same horizontal plane.Said watering earlier between awl base ring beam 2.1 and completed silo 1 inwall separates through polystyrene board 18.The inner high-supported formwork 4 of said cone and the outside high-supported formwork 5 of cone be vertical rod and cross bar in length and breadth colligation form, said vertical rod and cross bar length all change with conical inner body 2.2 gradients.
The said device of building is referring to Fig. 6～Fig. 8; Comprise the ground pump line 7 that ground pump 8 and segmentation promote; Said ground pump line 7 is connected with ground pump 8; And pass from the reservation hole 3 of conical inner body, hang on the built-in fitting 6 on the completed silo 1, be promoted to the top of plain concrete awl point simultaneously piecemeal with setting up of the outside high-supported formwork 5 of cone.Said built-in fitting 6 is pre-buried bar dowel or pre-buried crotch.
Construction equipment according to the invention be used to the to reduce pressure process of awl construction:
At first, installing of high-supported formwork scaffold: produce differential settlement for preventing support body, backfill is tamped handled and build 200～300mmC20 plain concrete.The general employing of cushion block of support body bottom is elongated, and ［ the 14A channel-section steel carries out place mat.Falsework whenever is provided with cross horizontal reinforcing bar together at a distance from 2 steps; The operation layer passage must completely be spread scaffold floor, and scaffold floor adopts wooden springboard, and two is firm with the scaffold tube colligation with iron wire.Safe blanket net is a white, must be able to bear 100kg weight 10m HI high impact load.Blanket net is provided with two-layer full shop in cone, the colligation of same level bar is firm.
Secondly, the cone template construction: conical inner body inner and outer template panel adopts wooden form, establishes 14 pairs of pull bars of φ between the inner and outer template panel, is provided with together pull bar at a distance from 500mm along the cone hypotenuse is every in length and breadth; Interior anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange that hoop adopts annular φ 25 reinforcing bars and annular steel pipe spacing 500mm arranged crosswise; Outer anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange, hoop adopts annular φ 25 rebar spacing 500mm to arrange; Back cord adopts the 50X100mm flitch, arranges along cone wall direction spacing 100mm, is fixed on inboard hoop φ 25 reinforcing bars and the steel pipe; The long 4m of hound, the ring beam bottom is provided with a hound along the cone hypotenuse is every in length and breadth at a distance from 500mm, and the cone wall bottom is provided with a hound along the cone hypotenuse is every in length and breadth at a distance from 1000mm; Cone top solid section is provided with 3 roads and connects 14 pairs of pull bars of φ, and per pass is M shape to pull bar to be arranged, and encloses purlin with 6 road φ, 25 reinforcing bars, and joint location adopts the overlap joint double welding, and weld length is 200mm.
Then, the concrete order of building: at first pour into a mould ring beam concrete to hole to be provided oral area position; Next builds the concrete of hole to be provided top cone wall, and the segmentation of cone concrete is built, and builds for every section highly to be 2m; Build vertex of a cone concrete at last.For guaranteeing support body stability, to build layering and carry out, every layer thickness is no more than 500mm, and the intermittent time is not more than 1 hour, avoids occurring cold seam.Adopt ground pump pumping of concrete to the cone wall top, and then with tower crane handling concreting.The ground pump line is upward through conical inner body reservation hole along frame column and fixedly picks out the flexible pipe discharging to watering barrel built-in fitting place, awl base ring beam top earlier along the frame column of cone base, and with tower crane handling concreting.Treat to water earlier awl base ring beam build finish after; Whenever build one section cone wall concrete; The ground pump line is along the discharging of barrel rising corresponding height (pump line is from barrel 200mm); Supply the tower crane suspension bucket handling concrete that connects material at the wooden discharging platform of flexible pipe arranged beneath, the ground pump line is fixed through the outside high-supported formwork of cone.When building the concrete of cone wall, ring beam infall; The invar muscle is intensive; Concrete is difficult to build, and according to circumstances in time handles (on-the-spot two of the 30 type vibrating heads that are equipped with), and making firm by ramming with artificial inside when vibrating is that main external vibration is auxilliary coordinative construction; Each perdurabgility of vibrating of shaking a little should be so that concrete be closely knit is as the criterion, and promptly the surface presents laitance and concrete no longer sinks.Should insert oblique 45 ° soon when vibrating dials slowly; The vertical insertion; And insert the 50～100mm in the concrete of initial set not as yet of lower floor; Make the abundant combination of levels; Vibrating spear tries not to touch template, reinforcing bar, pre-buried pipe and various built-in fitting; Must not prevent to influence the physical dimension of template and the strong bonded of concrete and reinforcing bar attached to vibrating on template and the reinforcing bar.The displacement of the slotting point of vibrator should not be greater than 1.5 times of its operating radius.Vibrator should be greater than 1/2 of its operating radius apart from template.Insert point mode and adopt alternating expression.Concrete curing: increase working load above forbidding within 24 hours after concreting is accomplished.Concrete treats after the form removal that immediately curing time must not be less than 7 days to the exposed surface maintenance of sprinkling water, and the watering number of times is as the criterion to keep the concrete surface wettability.
At last, form removable: after ring beam, cone wall concrete strength reach 100%, at first carry out reverse taper top portion ventilation facility before the dismounting reverse taper bed die.Must be passed to discharging platform during form removable and unify handling, forbid to toss downwards.Must be noted that during form removal that to building the protection of finished product particularly the concrete property at parts of edges and corners is forbidden to damage.
Claims (7)
1. the construction equipment of construction decompression awl behind the silo structure; Said decompression awl (2) is cast-in-place in completed silo (1); Comprise and water awl base ring beam (2.1), conical inner body (2.2) and plain concrete awl point (2.3) earlier; It is said that to water awl base ring beam (2.1) earlier cast-in-place on the outstanding bracket (1.1) of completed silo (1) inwall; Said conical inner body (2.2) and (2.3) segmentation of plain concrete awl point are built; It is characterized in that: be embedded with built-in fitting (6) on said completed silo (1) inwall, be reserved with on the said conical inner body (2.2) and reserve hole (3), the construction equipment of said decompression awl (2) is included as constructs high-supported formwork that facilitates and the plate device that is used and builds device;
Said high-supported formwork comprises from watering the inner high-supported formwork (4) of cone that awl base ring beam (2.1) to conical inner body (2.2) layering is provided with earlier, install and formerly water the outside high-supported formwork (5) of awl base ring top surface of the beam to the cone of plain concrete awl point (2.3) and water the hound (17) that bottom, awl base ring soffit is provided with to top, conical inner body bottom surface successively at interval from earlier, said hound (17) the oblique cone of awl (2) inside high-supported formwork (4) that reduce pressure certainly;
Said plate device is for water the inner formword panel (12) of boring the setting of base ring beam (2.1) bottom surface to conical inner body (2.2) top, bottom surface segmentation successively earlier and water awl base ring beam (2.1) end face to plain concrete certainly earlier and bore sharp (2.3) top exterior sheathing panel (11) of segmentation setting successively certainly; Pass through between said inner formword panel (12) and the exterior sheathing panel (11) pull bar B (10) drawknot; Pass through between the said exterior sheathing panel (11) pull bar A (9) drawknot; The outer pair steel pipe keel (14) that are provided with at interval of said exterior sheathing panel (11); Be lined with flitch back cord (15) between the said pair of steel pipe keel (14); Said flitch back cord (15) and two steel pipe keel (14) enclose purlin through the peripheral hoop of hoop (13); Said inner formword panel (11) is outside equipped with two steel pipe keel (14), and it is fixing that said pair of steel pipe keel (14) enclose hoop (16) through hoop;
Saidly build the ground pump line (7) that device comprises ground pump (8) and segmentation lifting; Said ground pump line (7) is connected with ground pump (8); And pass from the reservation hole (3) of conical inner body; Hang on the built-in fitting (6) on the completed silo (1), be promoted to the top of plain concrete awl point simultaneously with setting up of the outside high-supported formwork of cone (5) piecemeal.
2. the construction equipment of construction decompression awl behind the silo structure according to claim 1 is characterized in that: enclose hoop (16) in the said hoop and be ring-like reinforcing bar (16.1) and ring-like steel pipe (16.2) interval arranged alternate.
3. the construction equipment of construction decompression awl behind the silo structure according to claim 1, it is characterized in that: said built-in fitting (6) is pre-buried bar dowel or pre-buried crotch.
4. the construction equipment of construction decompression awl behind the silo structure according to claim 1 is characterized in that: saidly pull bar A (9) is meter word distributes on same horizontal plane.
5. the construction equipment of construction decompression awl behind the silo structure according to claim 1, it is characterized in that: said watering earlier between awl base ring beam (2.1) and completed silo (1) inwall separates through polystyrene board (18).
6. the construction equipment of construction decompression awl behind the silo structure according to claim 1; It is characterized in that: the inner high-supported formwork (4) of said cone and cone outside high-supported formwork (5) be vertical rod and cross bar in length and breadth colligation form, said vertical rod and cross bar length all change with conical inner body (2.2) gradient.
7. the job practices of construction decompression awl behind the silo structure, application rights requires one of 1-6 described construction equipment, it is characterized in that the method for constructing is following:
At first, installing of high-supported formwork scaffold: backfill is tamped handled and build 200～300mmC20 plain concrete, support body bottom cushion block is general to adopt elongated channel-section steel to carry out place mat, and falsework whenever is provided with cross horizontal reinforcing bar together at a distance from 2 steps;
The operation layer passage is completely spread scaffold floor, and scaffold floor two is firm with the scaffold tube colligation with iron wire, and safe blanket net and horizon bar colligation are firm;
Secondly; The cone template construction: conical inner body inner and outer template panel adopts plank sheathing; Establish pull bar between the inner and outer template panel; Whenever be provided with together pull bar at a distance from 500mm in length and breadth along the cone hypotenuse; Interior anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange that hoop adopts steel hoop and annular steel pipe spacing arranged crosswise; Outer anti-rolling chock longitudinal direction adopts two steel pipe spacing 500mm to arrange; Hoop adopts steel hoop spacing 500mm to arrange; Back cord adopts flitch; Arrange along cone wall direction spacing 100mm; Be fixed on inboard circumferential reinforcement and the steel pipe; The ring beam bottom whenever is provided with a hound at a distance from 500mm in length and breadth along the cone hypotenuse, and the cone wall bottom whenever is provided with a hound at a distance from 1000mm in length and breadth along the cone hypotenuse; Cone top solid section is provided with 3 roads and connects pull bar, and per pass is M shape to pull bar to be arranged, and encloses purlin with 6 road reinforcing bars;
Then, the concrete order of building: at first pour into a mould ring beam concrete to hole to be provided oral area position; Next builds the concrete of hole to be provided top cone wall, and the segmentation of cone concrete is built, and builds for every section highly to be 2m; Build vertex of a cone concrete at last, build layering and carry out, every layer thickness is no more than 500mm, and the intermittent time is not more than 1 hour; The ground pump line is upward through conical inner body reservation hole along frame column and fixedly picks out the flexible pipe discharging to watering barrel built-in fitting place, awl base ring beam top earlier along the frame column of cone base, and with tower crane handling concreting;
Treat to water earlier awl base ring beam build finish after; Whenever build one section cone wall concrete; The ground pump line is along the discharging of barrel rising corresponding height, supplies the tower crane suspension bucket handling concrete that connects material at the wooden discharging platform of flexible pipe arranged beneath, and the ground pump line is fixed through the outside high-supported formwork of cone;
When building the concrete of cone wall, ring beam infall; Making firm by ramming with artificial inside is that main external vibration is auxilliary coordinative construction; Each perdurabgility of vibrating of shaking a little should be so that concrete be closely knit is as the criterion; Be that the surface presents laitance and concrete no longer sinks; Insert the 50～100mm in the concrete of initial set not as yet of lower floor when vibrating, make the abundant combination of levels, vibrator is inserted the displacement of point should not be greater than 1.5 times of its operating radius; Vibrator should not inserted point mode and adopted alternating expression greater than 1/2 of its operating radius apart from template;
Concrete curing: concrete treats after the form removal that immediately curing time must not be less than 7 days to the exposed surface maintenance of sprinkling water, and the watering number of times is as the criterion to keep the concrete surface wettability;
At last, ring beam, cone wall concrete strength reach 100% back stripping.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110255069 CN102383628B (en) | 2011-08-31 | 2011-08-31 | Construction device and construction method for post-construction decompression cone of silo structure |
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| CN 201110255069 CN102383628B (en) | 2011-08-31 | 2011-08-31 | Construction device and construction method for post-construction decompression cone of silo structure |
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| CN102383628B CN102383628B (en) | 2013-05-29 |
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| CN102922603A (en) * | 2012-11-23 | 2013-02-13 | 辽宁海诺建设机械集团有限公司 | Sand silo pressure reduction device |
| CN105971281A (en) * | 2016-05-24 | 2016-09-28 | 中交第航务工程局有限公司 | Construction method of conical concrete roof on top of silo |
| CN104895329B (en) * | 2015-05-11 | 2016-10-05 | 中国十七冶集团有限公司 | Silo sliding formwork storehouse wall concrete with liter conveying, pour device |
| CN106760555A (en) * | 2016-12-02 | 2017-05-31 | 中国建筑第八工程局有限公司 | A kind of construction method of installation of meter of byte point and radiation beam |
| CN108035594A (en) * | 2017-12-11 | 2018-05-15 | 中材建设有限公司 | The prefabricated decompression cone construction method of concrete silo structure |
| CN108590299A (en) * | 2018-05-16 | 2018-09-28 | 五冶集团上海有限公司 | Reinforced concrete silo centrum is without split bolt template system |
| CN109506866A (en) * | 2018-12-30 | 2019-03-22 | 合肥工业大学 | Assembled vertical tube group storehouse model test apparatus |
| CN109610795A (en) * | 2018-12-29 | 2019-04-12 | 贵州建工安顺建筑工程有限公司 | A kind of construction method of back taper bodily form building |
| CN110158953A (en) * | 2019-05-27 | 2019-08-23 | 中国二十二冶集团有限公司 | Round silo thickness platform plate holes internal model bracing means and its construction method |
| CN111236720A (en) * | 2020-01-20 | 2020-06-05 | 中材海外工程有限公司 | Construction method for pouring silo decompression cone without construction joint |
| CN111424941A (en) * | 2020-04-27 | 2020-07-17 | 五冶集团上海有限公司 | Construction method for high and large vertebral bodies in silo |
| CN111593890A (en) * | 2020-05-29 | 2020-08-28 | 上海宝冶建筑工程有限公司 | Method and device for pouring constructional column and ring beam |
| CN112942567A (en) * | 2021-02-04 | 2021-06-11 | 中材建设有限公司 | Construction method of self-mounting and dismounting equipment of cement pressure reducing cone template |
| CN115492410A (en) * | 2022-09-30 | 2022-12-20 | 上海宝冶集团有限公司 | Installation and positioning method for curved surface nonlinear complete embedded part |
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| CN102922603B (en) * | 2012-11-23 | 2015-06-10 | 辽宁海诺建设机械集团有限公司 | Sand silo pressure reduction device |
| CN102922603A (en) * | 2012-11-23 | 2013-02-13 | 辽宁海诺建设机械集团有限公司 | Sand silo pressure reduction device |
| CN104895329B (en) * | 2015-05-11 | 2016-10-05 | 中国十七冶集团有限公司 | Silo sliding formwork storehouse wall concrete with liter conveying, pour device |
| CN105971281B (en) * | 2016-05-24 | 2019-06-04 | 中交第一航务工程局有限公司 | Silo top concrete taper roof construction method |
| CN105971281A (en) * | 2016-05-24 | 2016-09-28 | 中交第航务工程局有限公司 | Construction method of conical concrete roof on top of silo |
| CN106760555A (en) * | 2016-12-02 | 2017-05-31 | 中国建筑第八工程局有限公司 | A kind of construction method of installation of meter of byte point and radiation beam |
| CN106760555B (en) * | 2016-12-02 | 2019-07-30 | 中国建筑第八工程局有限公司 | A kind of meter of byte point and the construction method of installation for radiating beam |
| CN108035594A (en) * | 2017-12-11 | 2018-05-15 | 中材建设有限公司 | The prefabricated decompression cone construction method of concrete silo structure |
| CN108590299A (en) * | 2018-05-16 | 2018-09-28 | 五冶集团上海有限公司 | Reinforced concrete silo centrum is without split bolt template system |
| CN109610795B (en) * | 2018-12-29 | 2021-09-21 | 贵州建工安顺建筑工程有限公司 | Construction method of inverted cone-shaped building |
| CN109610795A (en) * | 2018-12-29 | 2019-04-12 | 贵州建工安顺建筑工程有限公司 | A kind of construction method of back taper bodily form building |
| CN109506866A (en) * | 2018-12-30 | 2019-03-22 | 合肥工业大学 | Assembled vertical tube group storehouse model test apparatus |
| CN110158953A (en) * | 2019-05-27 | 2019-08-23 | 中国二十二冶集团有限公司 | Round silo thickness platform plate holes internal model bracing means and its construction method |
| CN110158953B (en) * | 2019-05-27 | 2023-10-03 | 中国二十二冶集团有限公司 | Circular silo thick platform plate hole internal mold reinforcing device and construction method thereof |
| CN111236720B (en) * | 2020-01-20 | 2022-06-17 | 中国中材海外科技发展有限公司 | Construction method for pouring silo decompression cone without construction joint |
| CN111236720A (en) * | 2020-01-20 | 2020-06-05 | 中材海外工程有限公司 | Construction method for pouring silo decompression cone without construction joint |
| CN111424941A (en) * | 2020-04-27 | 2020-07-17 | 五冶集团上海有限公司 | Construction method for high and large vertebral bodies in silo |
| CN111593890A (en) * | 2020-05-29 | 2020-08-28 | 上海宝冶建筑工程有限公司 | Method and device for pouring constructional column and ring beam |
| CN112942567A (en) * | 2021-02-04 | 2021-06-11 | 中材建设有限公司 | Construction method of self-mounting and dismounting equipment of cement pressure reducing cone template |
| CN115492410A (en) * | 2022-09-30 | 2022-12-20 | 上海宝冶集团有限公司 | Installation and positioning method for curved surface nonlinear complete embedded part |
| CN115492410B (en) * | 2022-09-30 | 2023-10-27 | 上海宝冶集团有限公司 | Installation positioning method for curved surface nonlinear complete embedded part |
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