CN105804468A - Novel high-diameter-thickness-ratio round steel plate silo for storing aluminum oxide powder - Google Patents
Novel high-diameter-thickness-ratio round steel plate silo for storing aluminum oxide powder Download PDFInfo
- Publication number
- CN105804468A CN105804468A CN201610180636.8A CN201610180636A CN105804468A CN 105804468 A CN105804468 A CN 105804468A CN 201610180636 A CN201610180636 A CN 201610180636A CN 105804468 A CN105804468 A CN 105804468A
- Authority
- CN
- China
- Prior art keywords
- storehouse
- bulkhead
- ring beam
- truss
- plate
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
- E04H7/30—Constructions, with or without perforated walls, depending on the use of specified materials mainly of metal
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/38—Foundations for large tanks, e.g. oil tanks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention belongs to the technical field of large-diameter steel plate silo storage structures and particularly relates to a novel high-diameter-thickness-ratio round steel plate silo for storing aluminum oxide powder. By the adoption of the novel high-diameter-thickness-ratio round steel plate silo for storing the aluminum oxide powder, the purpose of storing the aluminum oxide powder through a large steel plate silo is achieved, a series of design difficulties of the large steel plate silo are well overcome through innovative technologies of a silo wall top truss type ring beam system and a limited rigidity-weakened soli bottom, a silo top can bear the loads such as an aluminum oxide feeding chute platform and dedusting equipment and the heavy load such as the maintenance load, and the large-volume storage requirement of 3.5-5 tons of aluminum oxide powder is met.
Description
Technical field
The invention belongs to large-diameter steel plate silo accumulating structure technical field, particularly to a kind of novel high radius-thickness ratio round alumina powder storage steel silo.
Background technology
Steel silo has the performance of brilliance in realizing alumina producing mechanization, automatization, but owing to steel silo technology is started late in China, and shell structure has complexity, existing aluminium oxide steel silo related specifications content shows slightly thin, design considerations considers comprehensive not, the scope of application is narrow, also has a certain distance with steel silo design requirement in the industry.There are two big difficult point and problems in current China at the design aspect of aluminium oxide steel silo:
First, existing heavy steel plate storehouse is light thin wall structure at Cang Ding, can not the bigger equipment load of load, cause that Cang Ding uses condition limited, be substantially reduced heavy steel plate silo range of application；
Second, on Large Copacity shelf appeal limited, basic difficult point is in bottom, storehouse, ratio as silo radius R with bulkhead thickness t, namely during radius-thickness ratio R/t >=750, belong to the silo of high radius-thickness ratio, now vertical overall pressurized and local stability Calculation are difficult to meet design requirement, need to strengthen steel plate thickness for cost, reduce economic and practical.
Summary of the invention
For prior art Problems existing, the present invention provides a kind of novel high radius-thickness ratio round alumina powder storage steel silo, purpose is the input and output material technique according to advanced alumina powder, provides novel steel silo Cang Ding, bulkhead, storehouse bottom structure scheme, it is achieved the steel plate bunker of Large Copacity powder.
The novel high radius-thickness ratio round alumina powder storage steel silo realizing the present invention is weakened formed with wall foundation at the bottom of bulkhead by Cang Ding, bulkhead top truss formula ring beam structure, bulkhead, finite stiffness, wherein the bulkhead thickness of steel silo is t, and diameter is D, and radius is R, unit millimeter, R/t >=750；
Wherein, described Cang Ding is taper type, it is made up of composite floor and steel beam structure, described steel beam structure includes ring beam on Cang Ding, storehouse top lower ring and top, storehouse cant beam, the upper ring beam of Cang Ding and top, storehouse lower ring are parallel to horizontal line, described top, storehouse cant beam ring beam and storehouse on Cang Ding are pushed up between lower ring, radially storehouse is pushed up circular flat 16 decile at upper and lower ring beam place, connected mode between storehouse top cant beam and storehouse apical ring beam adopts hinged, Cang Ding is additionally provided with storehouse apical ring to secondary beam between ring beam and top, storehouse lower ring, is monolithically fabricated space frustum stress system；Cang Ding top is light-duty profiled sheet and concrete composite floor, concrete surface layer thickness 50 ~ 60mm；
Described bulkhead top truss formula ring beam structure be upper just under soft truss ring beam structure, truss ring beam structure is pushed up lower ring and is winded up ring beam as truss using storehouse, truss winds up and is provided with vertical web member between ring beam and truss lower edge ring beam, upper and lower for truss string ring beam place circular flat circumference is divided 72 deciles, the area of section of truss lower edge ring beam and rigidity are winded up less than truss the area of section of ring beam and rigidity, the two stiffness ratio is between 0.55 ~ 0.7, and cross rib, longitudinal rib are to weld with bulkhead plate and are rigidly connected；
Described bulkhead is by bulkhead plate and becomes spacing, the cross rib of And of Varying Depth and longitudinal rib and forms, and longitudinal rib is arranged on inside bulkhead plate along bulkhead direction, and cross rib is parallel to the upper and lower ring beam of truss and is arranged on outside bulkhead plate, and bulkhead plate height is h, at < 1/In the regional extent of 6h, spacing between cross rib is 0.75m, spacing between longitudinal rib is 0.75m, in 1/6h ~ 1/2h altitude range, spacing between cross rib is 1.5m, and the spacing between longitudinal rib is 1.5m, in the regional extent of > 1/2h height, spacing between cross rib is 3m, and the spacing between longitudinal rib is 3m；
Described finite stiffness weakens the base plate including a vertical bin wallboard at the bottom of bulkhead, and distance storehouse, longitudinal rib base bottom plate heights is nt, n is the integer between 7 ~ 12, between storehouse base plate and bulkhead plate, has circumferentially been radially arranged several reinforcement and has put more energy into floor；
Described wall foundation is positioned at below the base plate of storehouse, including funnel tipping plate, inside and outside ringwall, cross wall and sole plate, described funnel tipping plate is connected with storehouse base plate, and be 35 ° ~ 42 ° angles with horizontal line, cone bottom shape is collectively formed with storehouse base plate, described cross wall is circumferentially radially-arranged, by circular flat circumference 12 decile of sole plate at the bottom of storehouse, intercommunication door opening is offered in the middle of cross wall, base plate underlying space is provided with chute embedded part, and described sole plate is positioned at the bottommost pile foundation support table as storehouse cylinder of whole steel silo.
Wherein, on described Cang Ding, ring beam diameter is 8m, top, storehouse lower ring diameter is steel storehouse diameter, the connected mode that top, storehouse cant beam and ring beam on Cang Ding and storehouse push up lower ring is hinged, the connected mode of storehouse top time ring beam and top, storehouse cant beam, top time, storehouse cant beam is also hinged, is provided with support bar between adjacent cant beam.
Described truss ring beam and the storehouse top cant beam that winds up is articulated and connected, and truss winds up beam and truss lower-cord beam is rigidly connected by web member, and web member is welded on bulkhead plate along overall height, and three forms the truss-like ring beam system in space with bulkhead plate；Wind up ring beam and bulkhead plate of truss adopts and is rigidly connected, and truss lower edge ring beam adopts with bulkhead plate and flexibly connects, and the longitudinal rib of truss lower edge ring beam and bottom adopts to hold out against and is rigidly connected；The area of section of truss lower edge ring beam and rigidity are winded up less than truss the area of section of ring beam and rigidity, between the two stiffness ratio 0.55 ~ 0.7.
Described longitudinal rib is being pushed up outside cant beam corresponding position selection HW shaped steel with storehouse, and remaining longitudinal rib and cross rib are the channel-section steel of 16# ~ 22#；Longitudinal rib, cross rib are rigidly connected for welding with bulkhead.
Described reinforcement ribbed stiffener board size is 500mmx350mmx24mm, and circumferentially the circular flat circumference mD decile at upper and lower ring beam place is pushed up in storehouse by radial distribution, and wherein m is the integer between 2 ~ 5.
Compared with prior art, the feature of the present invention and providing the benefit that:
The novel high radius-thickness ratio round alumina powder storage steel silo of the present invention include top, frustum type storehouse combined girder steel system, upper just under soft truss-like bulkhead top ring beam system, the transverse and longitudinal rib combination wallboard of And of Varying Depth, finite stiffness weaken at the bottom of storehouse, back taper Lower Hold wall wall foundation, each several part cooperative bearing, be fully met alumina powder charging, storage, in bulk and be transported in one Novel major diameter steel silo.
Wherein, top, the storehouse steel beam structure of the present invention is taper type, including ring beam on Cang Ding, storehouse top lower ring and top, storehouse cant beam, the stress form that this steel beam structure encircles with large span frustum, disclosure satisfy that the blanking of technique center or Multipoint Uniform blanking, connected mode between cant beam and ring beam adopts hinged, in emission surface, Moments, retaining shaft power and Shear transfer, ring beam and top, storehouse lower ring pressurized on Cang Ding can be reduced, curved, torsion effect and the stress that produces, circumference is radially divided 16 deciles by top, storehouse cant beam, based on uniform-compression, storehouse apical ring to secondary beam then based on tension, storehouse apical ring is articulated and connected to secondary beam with top, storehouse both cant beams, all vertical loads that top, storehouse is born pass to warehouse by root radially top, storehouse cant beam；
The bulkhead top truss formula ring beam structure of the present invention be upper just under soft truss ring beam structure, push up lower ring to wind up ring beam using storehouse as truss, can directly bear radially cant beam and transmit stress, the core element of this trussing is the cross section of truss lower edge ring beam and rigidity is less than truss and winds up the cross section of ring beam and rigidity, the two ratio should between 0.55 ~ 0.7, this overall Truss Steel beam body system and bulkhead cooperative bearing, common stress solves complex stress and stable problem, there is integral rigidity good, the feature of uniform force；
Cang Ding and the bulkhead top truss formula common stress of ring beam system, it is possible to break through conventional steel sheet silo top and can not bear the limitation of heavy load, it is achieved that uniformly transfer local compressive stress, meet intensity, the designing requirement such as stable well；
nullIt is by horizontal stroke that the And of Varying Depth of the present invention obtains transverse and longitudinal rib combination wallboard、Longitudinal rib and bulkhead plate combine，Longitudinal rib is positioned at inner side，Cross rib is positioned at outside，Bulkhead plate is placed in the middle，According to buying securities with all one's capital and hole capital after selling all securities bulkhead Strength co-mputation、Stable stress calculating and complete buckling stability analysis result are determined after considering，Bulkhead plate height is h，In the regional extent of < 1/6h，Spacing between cross rib is 0.75m，Spacing between longitudinal rib is 0.75m，In 1/6h ~ 1/2h altitude range，Spacing between cross rib is 1.5m，Spacing between longitudinal rib is 1.5m，In the regional extent of > 1/2h height，Spacing between cross rib is 3m，Spacing between longitudinal rib is 3m，Cross rib longitudinal rib is to weld with steel plate and is rigidly connected，The joint location of adjacent cross rib can not on same vertical height，This structural design can reduce the impact of steel plate initial imperfection，Change the flexing instability Mechanism of original shell bulkhead，Strengthen overall silo flexing invariant feature value，Improve practical limit bearing capacity；
nullIt is at the bottom of the bulkhead that finite stiffness weakens vertical ribbed stiffener at the bottom of the bulkhead of the present invention，It is embodied in，It is connected if the longitudinal rib inside bulkhead is directly fixing with basis，Greater stiffness cross section is then formed in bulkhead bottom，Especially bigger local bending moment can be caused in the Load Combination that temperature case participates in，Produce bulkhead vertical stress sharply to suddenly change，For being greatly reduced storehouse base plate thickness and ribbed stiffener cross-sectional sizes，Longitudinal rib bottom disconnects from sole plate nt place，Limited release end, longitudinal rib end moment of flexure、Axle power，Only retain radial shear，Outside simultaneously at the bottom of storehouse, reinforcement is put more energy into floor，It is of a size of 500mmx350mmx24mm，Circumferentially decile mD，The boundary dimensions reducing Slab element can not only be played，Reduce the effect of bulkhead stress value，And the bigger moment of flexure of longitudinal rib can be eliminated，Release bulkhead stress is up to 68%，Effect is notable；
The back taper Lower Hold wall wall foundation of the present invention is made up of funnel tipping plate, storehouse base plate, inside and outside ringwall, cross wall and sole plate, material is C30 concrete, ringwall in divergent shape is arranged can not only reduce base plate thickness, and meet technique uniformly, quickly discharging requirement, multiple system ensures not occur the phenomenon of inclined storehouse and putty.
Present invention achieves employing heavy steel plate silo storage alumina powder, the a series of design difficulties solving heavy steel plate silo very well of technology at the bottom of the Cang Ding of innovation and storehouse, feeds of alumina chute platform load, cleaner load and maintenance load can be born in top, storehouse, it is achieved that 3.5 ~ 50,000 tons of jumbo shelf appeal of alumina powder.
The steel silo of the present invention is made up of steel plate and shaped steel, adopt modular structure make, being easy to factory make, in-site installation is simple, shortens the completion time of project, meet the requirement of green engineering, can realizing single large-scale storehouse and replace group storehouse, optimize Ground arrangement and the target saved the area, at home and abroad engineering field has reliable stability, efficient reproducibility and leading economy, at home and abroad engineering field has broad application prospects.
The new steel plate silo of the present invention improves the economy of steel silo through the design that optimizes of structural elements and node, and the economic indicator in steel storehouse is less than hundred yuan/ton.
The material gross weight in steel storehouse/material storage gross weight index (being called for short I/R index), is the aggregative index weighing owner investment with revenue relations, the more low then more economical rationality of index, and the real case contrast of the present invention is as follows:
Existing steel storehouse example 1: aluminum oxide warehouse 30m diameter, height 28m, storage capacity is 2.8 ten thousand tons, and its maximum thickness of slab of coxopodite bulkhead is 20mm, I/R index 0.0392.
Existing steel storehouse example 2: aluminum oxide warehouse 32m diameter, height 36m, storage capacity is 3.5 ten thousand tons, and its maximum thickness of slab of coxopodite bulkhead is 24mm, I/R index 0.0289.
Steel storehouse of the present invention: aluminum oxide warehouse 36m diameter, height 41m, storage capacity is 4.2 ten thousand tons, and its maximum thickness of slab of coxopodite bulkhead is 24mm, I/R index 0.0173.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the novel high radius-thickness ratio round alumina powder storage steel silo of the present invention；
Fig. 2 is one of storehouse roof construction schematic diagram in Fig. 1；
Fig. 3 is in Fig. 1 the two of storehouse roof construction schematic diagram；
Fig. 4 is the schematic diagram of bulkhead top truss formula ring beam structure in Fig. 1；
Fig. 5 is bulkhead in Fig. 1, transverse and longitudinal stiffening rib structure schematic diagram；
Fig. 6 is the longitudinal rib finite stiffness restraint release schematic diagram in Fig. 5 bottom bulkhead；
Fig. 7 is one of wall foundation structural representation in Fig. 1；
Fig. 8 is in Fig. 1 the two of wall foundation structural representation；
Wherein: 1: Cang Ding；2: bulkhead top truss formula ring beam structure；3: bulkhead；4: finite stiffness weakens at the bottom of bulkhead；5: bulkhead wall foundation；6: Cang Ding upper ring beam；7: top lower ring, storehouse (truss wind up ring beam)；8: top, storehouse cant beam；9: storehouse apical ring is to secondary beam；10: top time, storehouse cant beam；11: support bar；12: truss lower edge ring beam；13: web member；14: longitudinal rib；15: cross rib；16: bulkhead plate；17: storehouse base plate；18: reinforcement is put more energy into floor；19: funnel tipping plate；20: cross wall；21: sole plate；22: intercommunication door opening；23: chute embedded part；24: inside and outside ringwall.
Detailed description of the invention
The novel high radius-thickness ratio round alumina powder storage steel silo of the present invention economizes La Muerde certain harbour aluminium oxide accumulating of area for Islamic Republic of Iran Fa Ersi, as shown in Fig. 1 ~ Fig. 8, it is made up of at the bottom of top, storehouse 1, bulkhead top truss ring beam structure 2, bulkhead 3, finite stiffness reduction bulkhead 4 and wall foundation 5, wherein the bulkhead thickness t of steel silo is 24mm, diameter D is 36m, radius R is 18m, R/t >=750, bulkhead height 36 meters, storehouse rises 5 meters, height overall 41 meters, aluminium oxide storage capacity is 4.2 ten thousand tons；
nullWherein，Described top, storehouse 1 is taper type，It is made up of concrete and steel beam structure，Described steel beam structure includes ring beam 6 on Cang Ding、Storehouse top lower ring 7 and top, storehouse cant beam 8，The upper ring beam 6 of Cang Ding and top, storehouse lower ring 7 are parallel to horizontal line，Wherein ring beam 6 diameter 8m on Cang Ding，Top, storehouse lower ring 7 diameter is 36m，Described top, storehouse cant beam 8 ring beam 6 and storehouse on Cang Ding are pushed up between lower ring 7，Radially by Cang Ding、Circular flat 16 decile at lower ring place，Cang Ding is additionally provided with two storehouse apical rings parallel with it to secondary beam 9 between ring beam 6 and top, storehouse lower ring 7，Article two, between the ring beam 9 of top time, storehouse, it is provided with top time, storehouse cant beam 10，Radially by Cang Ding、Circular flat circumference 16 decile at lower ring place，All vertical loads that top, storehouse 1 is born pass to whole warehouse by root radially top, storehouse cant beam 8，Cang Ding top is the surface layer being combined into by light-duty profiled sheet，Top, storehouse concrete surface layer thickness 50mm；
Described bulkhead top truss formula ring beam structure 2 be upper just under soft truss ring beam structure, truss ring beam structure is pushed up lower ring 7 and is winded up ring beam as truss using storehouse, directly bear radially top, storehouse cant beam 8 and transmit stress, cross section adopts HM390x300, truss winds up and is provided with along bulkhead direction between ring beam 7 and truss lower edge ring beam 12, by on truss, the web member 13 of lower ring place circular flat circumference 72 decile, web member 13 cross section adopts No. 16 channel-section steels, the area of section of truss lower edge ring beam 12 and rigidity are winded up less than truss the area of section of ring beam 7 and rigidity, the two stiffness ratio is 0.56, truss lower edge ring beam 12 cross section adopts HM340x250；
Described bulkhead 3 is made up of cross rib 15 and the longitudinal rib 14 of bulkhead plate 16 and And of Varying Depth, longitudinal rib 14 is arranged on inside bulkhead plate 16 along bulkhead 3 vertical direction, cross rib 15 is parallel on truss, lower ring is arranged on outside bulkhead plate 16, bulkhead plate 16 is highly 36m, according to buying securities with all one's capital and hole capital after selling all securities bulkhead Strength co-mputation, stable stress calculating and complete buckling stability analysis result are determined after considering, in the regional extent of < 6m, spacing between cross rib 15 is 0.75m, spacing between longitudinal rib 14 is 0.75m, in 6m ~ 18m altitude range, spacing between cross rib 15 is 1.5m, spacing between longitudinal rib 14 is 1.5m, in the regional extent of > 18m height, spacing between cross rib 15 is 3m, spacing between longitudinal rib 14 is 3m；
At the bottom of described finite stiffness reduction bulkhead, 4 include a storehouse base plate 17, distance storehouse, longitudinal rib 14 base base plate 17 is highly 200mm, can limited release bulkhead 3 end moment of flexure, axle power, only retain radial shear, such as Fig. 6 (a), shown in (b), bulkhead 3 has a small horizontal displacement in the horizontal direction after discharging pressure, between storehouse base plate 17 and bulkhead plate 16, circumferentially it is radially arranged several reinforcement to put more energy into floor 18, reinforcement floor 18 of putting more energy into is of a size of 500mmx350mmx24mm, circumferentially radial distribution is by Cang Ding, circular flat circumference 144 decile at lower ring place；
Described position, wall foundation 5 is below storehouse base plate 17, also include funnel tipping plate 19, inside and outside ringwall 24, cross wall 20 and sole plate 21, described funnel tipping plate 19 is connected with storehouse base plate 17, and be 35 ° of angles with horizontal line, cone bottom shape is collectively formed with storehouse base plate 17, described cross wall 20 is circumferentially radially-arranged, between inside and outside ringwall 24, by on Cang Ding, circular flat circumference 12 decile at lower ring place, intercommunication door opening 22 is offered in the middle of cross wall 20, storehouse base plate 17 underlying space is provided with chute embedded part 23, described sole plate 21 is positioned at the bottommost pile foundation support table as storehouse cylinder of whole steel silo.
Wherein, the connected mode that described top, storehouse cant beam 8 and ring beam 6 on Cang Ding and storehouse push up lower ring 7 is hinged, be in order to reduce storehouse push up upper and lower ring beam pressurized, curved, turn round effect, the upper ring beam of Cang Ding adopts welding BH950x350x18x28, cross section adopts HN700x300, and storehouse apical ring is main to secondary beam 9 tension, and the connected mode of storehouse top time ring beam 9 and top, storehouse cant beam 8, top time, storehouse cant beam 10 is also hinged, cross section adopts HM440x300, is provided with support bar 11 between adjacent cant beam.
The wind up top flange of ring beam 7 and lower flange and bulkhead 3 of described truss adopts and is rigidly connected, and lower flange and web member 13 are rigidly connected；Web member 13 is welded on bulkhead 3, and web member 13 lower end adopts with truss lower edge ring beam 12 and is rigidly connected；The top flange of truss lower edge ring beam 12 and lower flange and bulkhead 3 adopt and flexibly connect, and the junction of lower edge and bulkhead longitudinal rib 14 adopts and is rigidly connected.
Described longitudinal rib 14 is pushing up cant beam 8 corresponding position selection HW shaped steel with storehouse, and remaining longitudinal rib 14 and cross rib 15 are the channel-section steel of 16# ~ 22#；Longitudinal rib 14, cross rib 15 are rigidly connected for welding with bulkhead 3.
Described funnel tipping plate 19, storehouse base plate 17, ringwall 20 and sole plate 21 material are C30 concrete, wherein funnel tipping plate 19 thickness is 600mm, storehouse base plate 17 and sole plate 21 thickness are 1100mm, ringwall 20 is highly 500mm, and the intercommunication door opening 22 offered in the middle of ringwall 20 is of a size of 1000mmx2200mm.
The embodiment of the present invention is based on existing steel storehouse design concept, break through the limitation of specification, carry out intensity comprehensively, stablize force-mechanism analysis, sum up overall structure stress under the permanent work in top, storehouse, material, temperature, wind, earthquake load operating mode and combination and the deformation regularity of distribution, according to stress characteristic, reasonable Arrangement transverse and longitudinal ribbed stiffener pointedly, strengthens silo complete buckling invariant feature value, changes the flexing instability Mechanism of simple shell bulkhead.Novel high radius-thickness ratio round alumina storage steel silo Each part scheme and cooperative bearing principle are as follows:
(1) the radial direction cant beam uniform-compression of top, frustum type storehouse combined girder steel system is main, and hoop secondary beam tension is main, and all vertical loads that Cang Dingsuo bears pass to warehouse by root radially cant beam.Owing to girder steel top flange and profiled sheet are welded and fixed, it is left out lateral stability situation, it is considered to the advantageous effect of top combination.
(2), during hole capital after selling all securities, bulkhead thickness considers that the intensification temperature difference and wind load combination play control action, and its end value is greater than result of calculation of buying securities with all one's capital.Reason is that hole capital after selling all securities bulkhead Critical Stability stress permissible value is only between 0.2 ~ 0.45 under the state of buying securities with all one's capital.
(3) due to specification, to provide under hole capital after selling all securities state Critical Stability stress value very strict, and much smaller than steel yield strength value.So the main task system of engineering design is reasonable Arrangement transverse and longitudinal ribbed stiffener, control vertical stability stress, under economical rationality premise, it is ensured that there is certain safety stock.
(4) steel storehouse diameter is more than after 32m, under temperature action, bulkhead arrives poised state with the interphase interaction of longitudinal rib, when at the bottom of storehouse, 1/6 region wall thickness is certain, the maximum stress value of bulkhead and the uniformity of stress distribution have substantial connection with the cross section of longitudinal rib, spacing, arrangement and degree of freedom release.
(5) vertical combined stress least favorable place is all at baseplate zone；Bulkhead hoop combined stress and transverse stiffener maximum stress synchronize to increase and reduce with horizontal displacement value.For diameter Silo, it is positioned at the 1/5 ~ 1/3 of total height through repeatedly analyzing known horizontal displacement maximum region.
Claims (6)
1. a novel high radius-thickness ratio round alumina powder storage steel silo, it is characterized in that being weakened formed with wall foundation at the bottom of bulkhead by Cang Ding, bulkhead top truss formula ring beam structure, bulkhead, finite stiffness, wherein the bulkhead thickness of steel silo is t, diameter is D, radius is R, unit millimeter, R/t >=750；
Wherein, described Cang Ding is taper type, it is made up of composite floor and steel beam structure, described steel beam structure includes ring beam on Cang Ding, storehouse top lower ring and top, storehouse cant beam, the upper ring beam of Cang Ding and top, storehouse lower ring are parallel to horizontal line, described top, storehouse cant beam ring beam and storehouse on Cang Ding are pushed up between lower ring, radially storehouse is pushed up circular flat 16 decile at upper and lower ring beam place, connected mode between storehouse top cant beam and storehouse apical ring beam adopts hinged, Cang Ding is additionally provided with storehouse apical ring to secondary beam between ring beam and top, storehouse lower ring, is monolithically fabricated space frustum stress system；Cang Ding top is light-duty profiled sheet and concrete composite floor, concrete surface layer thickness 50 ~ 60mm；
Described bulkhead top truss formula ring beam structure be upper just under soft truss ring beam structure, truss ring beam structure is pushed up lower ring and is winded up ring beam as truss using storehouse, truss winds up and sets vertical web member between ring beam and truss lower edge ring beam, upper and lower for truss ring beam place circular flat circumference is divided 72 deciles, the area of section of truss lower edge ring beam and rigidity are winded up less than truss the area of section of ring beam and rigidity, and the two stiffness ratio is between 0.55 ~ 0.7；
Described bulkhead is made up of bulkhead plate and And of Varying Depth, the cross rib of And of Varying Depth and longitudinal rib, and longitudinal rib is arranged on inside bulkhead plate along bulkhead direction, and cross rib is parallel to the upper and lower ring beam of truss and is arranged on outside bulkhead plate, and bulkhead plate height is h, at < 1/In the regional extent of 6h, spacing between cross rib is 0.75m, spacing between longitudinal rib is 0.75m, in 1/6h ~ 1/2h altitude range, the spacing between cross rib is 1.5m, and the spacing between longitudinal rib is 1.5m, in the regional extent of > 1/2h height, spacing between cross rib is 3m, and the spacing between longitudinal rib is 3m, and cross rib, longitudinal rib are to weld with bulkhead plate and are rigidly connected；
Described finite stiffness weakens the storehouse base plate including a vertical bin wallboard at the bottom of bulkhead, and distance storehouse, longitudinal rib base bottom plate heights is nt, n is the integer between 7 ~ 12, between storehouse base plate and bulkhead plate, has circumferentially been radially arranged several reinforcement and has put more energy into floor；
Described wall foundation is positioned at below the base plate of storehouse, also include funnel tipping plate, inside and outside ringwall, cross wall and sole plate, described funnel tipping plate is connected with storehouse base plate, and be 35 ° ~ 42 ° angles with horizontal line, cone bottom shape is collectively formed with storehouse base plate, described cross wall is circumferentially radially-arranged, storehouse is pushed up circular flat circumference 12 decile at upper and lower ring beam place, intercommunication door opening is offered in the middle of cross wall, base plate underlying space is provided with chute embedded part, and described sole plate is positioned at the bottommost pile foundation support table as storehouse cylinder of whole steel silo.
2. the novel high radius-thickness ratio round alumina powder storage steel silo of one according to claim 1, it is characterized in that on described Cang Ding, ring beam diameter is 8m, top, storehouse lower ring diameter is steel plate cylinder diameter, the connected mode that top, storehouse cant beam and ring beam on Cang Ding and storehouse push up lower ring is hinged, the connected mode of storehouse top time ring beam and top, storehouse cant beam, top time, storehouse cant beam is also hinged, is provided with support bar between adjacent cant beam.
3. the novel high radius-thickness ratio round alumina powder storage steel silo of one according to claim 1, it is characterized in that described truss ring beam and the storehouse top cant beam that winds up is articulated and connected, truss winds up beam and truss lower-cord beam is rigidly connected by web member, web member is welded on bulkhead plate along overall height, and three forms the truss-like ring beam system in space with bulkhead plate；Wind up ring beam and bulkhead plate of truss adopts and is rigidly connected, and truss lower edge ring beam adopts with bulkhead plate and flexibly connects, and the longitudinal rib of lower edge ring beam and bottom adopts to hold out against and is rigidly connected；The area of section of truss lower edge ring beam and rigidity are winded up less than truss the area of section of ring beam and rigidity, between the two stiffness ratio 0.55 ~ 0.7.
4. the novel high radius-thickness ratio round alumina powder storage steel silo of one according to claim 1, it is characterised in that described longitudinal rib is pushing up cant beam corresponding position selection HW shaped steel with storehouse, and remaining longitudinal rib and cross rib are the channel-section steel of 16# ~ 22#；Longitudinal rib, cross rib are rigidly connected for welding with bulkhead.
5. the novel high radius-thickness ratio round alumina powder storage steel silo of one according to claim 1, it is characterized in that described reinforcement ribbed stiffener board size is 500mmx350mmx24mm, circumferentially the circular flat circumference mD decile at upper and lower ring beam place is pushed up in storehouse by radial distribution, and wherein m is the integer between 2 ~ 5.
6. one according to claim 1 novel high radius-thickness ratio round alumina powder storage steel silo, it is characterised in that described funnel tipping plate, storehouse base plate, inside and outside ringwall, cross wall and sole plate material are C30 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180636.8A CN105804468B (en) | 2016-03-28 | 2016-03-28 | A kind of high radius-thickness ratio round alumina powder storage steel silo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180636.8A CN105804468B (en) | 2016-03-28 | 2016-03-28 | A kind of high radius-thickness ratio round alumina powder storage steel silo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105804468A true CN105804468A (en) | 2016-07-27 |
| CN105804468B CN105804468B (en) | 2017-11-28 |
Family
ID=56454869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180636.8A Active CN105804468B (en) | 2016-03-28 | 2016-03-28 | A kind of high radius-thickness ratio round alumina powder storage steel silo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105804468B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401252A (en) * | 2016-11-22 | 2017-02-15 | 河南工大设计研究院 | Flat roof of large-diameter silo and silo |
| CN111119546A (en) * | 2020-01-20 | 2020-05-08 | 中国电力工程顾问集团西北电力设计院有限公司 | Coal storage silo structure |
| CN112324215A (en) * | 2019-12-04 | 2021-02-05 | 安阳工学院 | Ultra-large space truss structure supporting spiral undercut steel plate bin and construction method thereof |
| CN112906104A (en) * | 2021-01-22 | 2021-06-04 | 湖北省工业建筑集团有限公司 | Calculation method for stable bearing capacity of ring beam of ring plate of steel silo |
| CN115450478A (en) * | 2022-09-21 | 2022-12-09 | 中国中材国际工程股份有限公司 | Partially-assembled multi-compartment silo and preparation method thereof |
| WO2023152630A1 (en) * | 2022-02-08 | 2023-08-17 | Rizzotto Srl | Structure for covering silos or tanks with adjustable/adaptable brackets |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218859A (en) * | 1978-05-22 | 1980-08-26 | Sams Michael L | Working bin |
| US4718208A (en) * | 1985-12-03 | 1988-01-12 | Jansens & Dieperink Bv | Method of making large-volume containers, individual segments to be used therefor, and aligning tool for aligning the same |
| CN201810018U (en) * | 2010-10-19 | 2011-04-27 | 安阳市大正钢板仓有限责任公司 | Double-layer spiral bite steel silo |
| CN202401808U (en) * | 2011-12-27 | 2012-08-29 | 哈尔滨北仓粮食仓储工程设备有限公司 | Flat-top steel plate silo |
| US8434278B1 (en) * | 2010-07-07 | 2013-05-07 | V-Bins.com GP Inc | Storage bin support system |
| CN203654841U (en) * | 2013-11-27 | 2014-06-18 | 哈尔滨北仓粮食仓储工程设备有限公司 | Frame type silo |
| CN104405165A (en) * | 2014-11-25 | 2015-03-11 | 安徽省路桥工程集团有限责任公司 | Reusable assembled mixing station storage silo partition wall and construction method thereof |
| CN205476758U (en) * | 2016-03-28 | 2016-08-17 | 东北大学设计研究院（有限公司） | Novel circular alumina powder of high radius -thickness ratio stores steel sheet silo |
-
2016
- 2016-03-28 CN CN201610180636.8A patent/CN105804468B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218859A (en) * | 1978-05-22 | 1980-08-26 | Sams Michael L | Working bin |
| US4718208A (en) * | 1985-12-03 | 1988-01-12 | Jansens & Dieperink Bv | Method of making large-volume containers, individual segments to be used therefor, and aligning tool for aligning the same |
| US8434278B1 (en) * | 2010-07-07 | 2013-05-07 | V-Bins.com GP Inc | Storage bin support system |
| CN201810018U (en) * | 2010-10-19 | 2011-04-27 | 安阳市大正钢板仓有限责任公司 | Double-layer spiral bite steel silo |
| CN202401808U (en) * | 2011-12-27 | 2012-08-29 | 哈尔滨北仓粮食仓储工程设备有限公司 | Flat-top steel plate silo |
| CN203654841U (en) * | 2013-11-27 | 2014-06-18 | 哈尔滨北仓粮食仓储工程设备有限公司 | Frame type silo |
| CN104405165A (en) * | 2014-11-25 | 2015-03-11 | 安徽省路桥工程集团有限责任公司 | Reusable assembled mixing station storage silo partition wall and construction method thereof |
| CN205476758U (en) * | 2016-03-28 | 2016-08-17 | 东北大学设计研究院（有限公司） | Novel circular alumina powder of high radius -thickness ratio stores steel sheet silo |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401252A (en) * | 2016-11-22 | 2017-02-15 | 河南工大设计研究院 | Flat roof of large-diameter silo and silo |
| CN112324215A (en) * | 2019-12-04 | 2021-02-05 | 安阳工学院 | Ultra-large space truss structure supporting spiral undercut steel plate bin and construction method thereof |
| CN111119546A (en) * | 2020-01-20 | 2020-05-08 | 中国电力工程顾问集团西北电力设计院有限公司 | Coal storage silo structure |
| CN112906104A (en) * | 2021-01-22 | 2021-06-04 | 湖北省工业建筑集团有限公司 | Calculation method for stable bearing capacity of ring beam of ring plate of steel silo |
| CN112906104B (en) * | 2021-01-22 | 2021-09-24 | 湖北省工业建筑集团有限公司 | Calculation method for stable bearing capacity of ring beam of ring plate of steel silo |
| WO2023152630A1 (en) * | 2022-02-08 | 2023-08-17 | Rizzotto Srl | Structure for covering silos or tanks with adjustable/adaptable brackets |
| CN115450478A (en) * | 2022-09-21 | 2022-12-09 | 中国中材国际工程股份有限公司 | Partially-assembled multi-compartment silo and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105804468B (en) | 2017-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105804468A (en) | Novel high-diameter-thickness-ratio round steel plate silo for storing aluminum oxide powder | |
| CN205476758U (en) | Novel circular alumina powder of high radius -thickness ratio stores steel sheet silo | |
| CN106438212B (en) | A kind of folding spelling formula tubbiness tower | |
| CN204225328U (en) | A kind of prefabricated large span laminated floor slab | |
| CN103243961A (en) | Titanium plate steel inner tank reversed construction device for chimney of thermal power station | |
| CN103010404B (en) | Segmental general assembly method for aluminum alloy superstructure | |
| CN103470018A (en) | Detachable converter tooling platform | |
| CN102528924A (en) | High-strength annular partially prestressed concrete pole and production method thereof | |
| CN202337344U (en) | Scaffold structure in cargo cabin of bulk cargo ship | |
| CN102409897A (en) | Round coal yard barricade of concrete pilaster of steel plate wall | |
| CN105484945A (en) | Polygonal wind power tower and manufacturing method thereof | |
| CN201351178Y (en) | Anode tray for light aluminum electrolytic workshop | |
| CN208122340U (en) | Detachable and recyclable discharging platform | |
| CN201567572U (en) | Reinforcement cage and steel casing combined casing structure | |
| CN203531347U (en) | Detachable converter tooling platform | |
| CN109750687B (en) | Steel structure tower crane foundation bearing platform with adjustable size | |
| CN1333242C (en) | Electronic track scales with remote transmission and steel bar reniforced concrete platform and manufacture of that platform | |
| CN203127803U (en) | Support device for rolling-on and rolling-off of heavy ocean structure | |
| CN202970086U (en) | H-shaped steel ring reinforcing device of large-diameter steel cylinder | |
| CN202500372U (en) | High strength annular portion prestressed concrete electric pole | |
| CN205533022U (en) | Polygon wind power tower | |
| CN201702535U (en) | Welding fixture for producing ring crane corbel | |
| CN201778392U (en) | Steel conical shell for coal silo | |
| CN203583968U (en) | Round ash storage silo | |
| CN203998156U (en) | A kind of novel reclaimer strut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |