A kind of stepped prefabricated assembled circular underground granary of interior steel plated
Technical field
The present invention relates to underground granary technical field, and in particular to a kind of interior steel plated it is stepped it is prefabricated assembled circularly
Lower silo.
Background technology
Underground granary is built under shallow layer surface, long-term low-temperature grain-storage, is kept grain quality, is suppressed insect pest, avoids
Fumigated using toxic agents, resistance corollary failure and many merits such as dual-purpose of drawing, many experts are consistent with scholar to think reasonable
Promote and apply underground grain storehouse new system and new technology, can realize low-temperature environment-friendly, it is energy saving save land, detraction of guaranteeing the quality, ecological grain storage.
The existing underground granary in China generally in the relatively low general loess of level of ground water and is adapted to being stained with property regional, such as cave dwelling
Storehouse, loudspeaker storehouse, double curvature arch storehouse, semi-underground bin, hole shape loudspeaker storehouse;Underground bin built at the same time is mostly brickwork construction, and capacity is small, accounts for
Ground area is big, mechanization degree is low.
The Novel underground silo that level of ground water is higher, complex geological condition region can promote and apply is useful in order to build,
Some national patents and document it is also proposed circular grain bin, the large space Underground Rectangular that cylinder, semicircular cylinder surround, and combined type is enclosed in stake
The storehouse such as underground bin type, but the popularization and application of above-mentioned new storehouse type, also there are some urgent problems to be solved, such as:(1) underground grain storage
Storehouse has high standard waterproof, moisture-proof requirement.Ensure that warehouse is water-tight within service life, it is impermeable;The web material of use is easy
Aging, working procedure is complicated, and difficulty is big, construction quality problem easily occurs.(2) the wet construction environment construction period of deep basal pit
It is long.After excavation of foundation pit, precipitation, orlop is cast-in-place, bulkhead slding form operation needs to carry out in wet construction environmental condition for a long time, labor intensity
Greatly, long construction period, construction cost are high.(3) pattern foundation pit supporting structure is costly.For such deep basal pit, " piling bar+waist rail+water shutoff steel
Plate " pattern foundation pit supporting structure is relatively inexpensive mode, but expense accounts for the 25-30% of civil engineering construction cost, and construction cost is higher.
A kind of underground granary of the disclosure of the invention of Application No. CN200910207155.1, including silo roof, bulkhead and orlop,
The bulkhead Covered with Angles, waterproof that steel plate can be separately as bulkhead, damp-proof layer, also can bulkhead be connected to be formed with steel member with steel plate
The bulkhead of combining structure carrys out waterproof, moisture-proof.The shape of underground granary bulkhead is linear or shaped form, as cylindrical shape, square tube shape,
Semicircle bulkhead etc..The invention solves the problems, such as the waterproof and dampproof of orlop by encased steel plate.At the same time when orlop is constructed,
Steel plate is as template, and quickening speed of application, reduces construction cost, but its construction is constructed for cast in situs, and the construction party
The deficiencies of method needs to carry out excavation of foundation pit, so of high cost there are integral constructing, long construction period.
A kind of underground granary of the disclosure of the invention of Application No. CN200910207154.7, including silo roof, bulkhead and orlop,
The bulkhead is divided into inner and outer wall, is linked to be entirety using connector between inner wall and outer wall, cavity is formed between inner wall and outer wall,
The cavity is used for the detection and reparation of underground granary leak, and for underground granary ventilation and the detection of grain feelings.The invention silo
Excavation of foundation pit is also required to, there is the deficiencies of high construction trouble, construction cost, long construction period.
Prefabricated construction is one of the effective way for realizing building structure industrialization and building energy conservation section row, for a long time with
Come, concrete construction mainly use site operation traditional work mode, industrialization degree is low, water consume, energy consumption, artificial rubbish,
Quantity of wastewater effluent is big, does not meet national energy-saving and the Sustainable development policies of environmental protection., can be pre- with factory using fabricated construction
System, assembled in situ, realize building structure industrialization, while can effectively improve material in building energy conservation and the effect of structural behaviour
Rate, save the energy and resource, reduces the harmful effect of building waste and environment, reduces construction site limitation etc..Therefore, in order to carry
For it is a kind of " it is fast, good, save " the new storehouse type of underground grain storage, research and develop prefabricated assembled Novel underground storehouse has become required.
The content of the invention
It is an object of the invention to provide a kind of interior stepped prefabricated assembled circular underground granary of steel plated, the prefabricated dress
Waterproof roll and bulkhead internal layer reinforcing bar can be replaced using interior steel plated with formula underground granary, there is preferable waterproof, anti-seepage effect
And comprehensive benefit;Prefabricated bulkhead plate can be produced in prefabricated components factory normalization, and processing and manufacturing quality effectively can be controlled and saved
Can environmental protection, Prefabricated Assembling, mechanization installation, can crossed construction, shorten the construction period.In addition, prefabricated warehouse
Structure can be used as foundation pit supporting system, save pattern foundation pit supporting structure cost, reduce construction investment.
The present invention solution be:A kind of prefabricated assembled underground granary, the flat shape of the underground granary is circle,
Including orlop, the prefabricated bulkhead plate of polylith, silo roof beam slab, multiple function, multilayer reinforcing prop, the prefabricated bulkhead plate is pre- for arc
There is attachment device on making sheet block, periphery, can be with contiguous prefabricated bulkhead plate, multiple function and multilayer by the prefabricated bulkhead plate of attachment device
Reinforcing prop is attached;The multiple function positions bulkhead, its depth anchored into soil is more than orlop depth, is subject to
Soil pressure, pressure and the main bearing member for resisting buoyancy;Multiple function is divided into several sections from top to bottom, and the first of the superiors
Section inner side is equipped with the prefabricated bulkhead plate of first layer, is first equipped with reinforcing prop on the inside of second segment so that reinforcing prop medial surface and first layer are pre-
Bulkhead plate medial surface processed is concordant, then is equipped with the prefabricated bulkhead plate of the second layer in reinforcing prop medial surface so that first and second layer of prefabricated bulkhead
Plate part overlaps;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead plate part overlap joint, overlaps to bottom always
One layer of prefabricated bulkhead plate, forms stepped assembled circle underground granary;The prefabricated bulkhead plate is inner side steel plate and outside
Concrete slab combines integral structure, and inner side steel plate is connected with outside concrete using holdfast, outer in the concrete slab of outside
Side is equipped with bar-mat reinforcement.
It is a feature of the present invention that prefabricated bulkhead plate multiple function and reinforcing prop use steel column or the coagulation equipped with steel embedded part
Earth pillar, multiple function are connected with reinforcing prop by bolt or soldered, and multiple function or reinforcing prop are equipped with and position firm component.It is more
Functional column and reinforcing prop will ensure that the connecting elements of itself and surrounding forms a common stress of entirety, in this way, with steel column or being equipped with
The concrete column of steel embedded part can simply and easily be connected thereto Member Welding;Multiple function passes through bolt or soldered with reinforcing prop
An entirety is connected into, and with the increase of depth, the global sections size that the two is formed is increasing, in this way, can have
The resistance of effect ground is from top to bottom with the increased soil pressure of depth, and structure design is more economically reasonable.The positioning steel of multiple function
Component can accurately be positioned when prefabricated bulkhead plate is installed, while be provided before prefabricated bulkhead plate and multiple function welding
Fixation.
The present invention is further characterized in that there is L-type cornerite in prefabricated bulkhead plate top, has U on the prefabricated bulkhead plate left side, the right
Type cornerite.Welded can so easily prefabricated bulkhead plate bulkhead plate contiguous prefabricated with surrounding and multiple function or reinforcing prop
Connection.
The present invention is further characterized in that there is L-type cornerite in prefabricated bulkhead plate top, is wrapped on the prefabricated bulkhead plate left side, the right
There is a steel plate, and left end is equipped with that male is trapezoidal or half elliptic plug, right end are equipped with trapezoidal or half elliptic groove.So can be square
Just it is attached contiguous prefabricated bulkhead plate, so as to accelerate speed of application, greatly shortens construction period
It is a feature of the present invention that prefabricated bulkhead plate is circumferential horizontal concordant, its outside connects with multiple function or reinforcing prop welding
Connect, connected on the inside of contiguous prefabricated bulkhead plate with junction steel plate, junction steel plate is used with prefabricated bulkhead plate and is welded to connect;Multi-functional
Poured in the cavity that column or reinforcing prop are surrounded with contiguous prefabricated bulkhead plate and junction steel plate anti-with prefabricated bulkhead plate ad eundem
Water coagulation soil.In this way, on the outside of the prefabricated bulkhead plate with ensure that after multiple function or reinforcing prop welding inner side steel plate with it is multi-functional
Column or reinforcing prop keep an entirety in circumferential direction, so as to carry out effective waterproof to prefabricated bulkhead;In addition, in prefabricated bulkhead plate
Inner side is welded to connect with junction steel plate, on the one hand there is the second waterproof measure added at node, and make multiple function or
Reinforcing prop and prefabricated bulkhead and the concrete between it form overall structure, make stress more reasonable, node construction is more
It is simple and convenient.
The present invention is further characterized in that prefabricated bulkhead plate is circumferential horizontal concordant, and the male of every block of prefabricated bulkhead plate is trapezoidal or half
Ellipse plug be inserted into that contiguous prefabricated bulkhead plate female is trapezoidal or semiellipse type slot in;Every block of prefabricated bulkhead plate and multiple function
Or reinforcing prop is welded to connect, the perps on the inside of contiguous prefabricated bulkhead plate is directly connected using butt welding and/or welded with junction steel plate
Connect in succession.First, will be welded on the outside of the left and right end of first block of prefabricated bulkhead plate with multiple function or reinforcing prop, it is then, it is right
The left end male of the contiguous prefabricated bulkhead plate in side is trapezoidal or semiellipse type plug be inserted into contiguous prefabricated bulkhead plate female it is trapezoidal or half
In ellipse slot and it is welded to connect, right end female is trapezoidal or semiellipse type slot is welded with multiple function or reinforcing prop, according to
Above-mentioned welding method is installed successively, the installation until completing this layer of prefabricated bulkhead plate.It so can not only make prefabricated bulkhead
The common stress of overall structure is formed with multiple function or reinforcing prop, and prefabricated bulkhead can be made by being welded on circumferential formation one
A closing is overall to be effectively carried out waterproof, moisture-proof, antiseepage;In addition, the connection mode of contiguous prefabricated bulkhead plate insertion slot type makes
Joint form and construction are simpler, so as to accelerate speed of application, greatly shorten construction period.
The present invention is further characterized in that prefabricated upper and lower two layers vertical dislocation lap joint of bulkhead plate, upper and lower two layers of prefabricated bulkhead plate
Overlapping part with elongated fillet weld seam.Prefabricated upper and lower two layers vertical dislocation lap joint mode of bulkhead plate makes neighbouring prefabricated
It is very convenient during the junction construction of bulkhead plate, it can preferably ensure construction quality;The overlap joint of upper and lower two layers of prefabricated bulkhead plate
On the one hand the elongated angle welding at position makes steel plate be formed up and down after seamless welding overall, thus prevent well subsurface flow into or
Infilter inside underground bin, upper and lower prefabricated bulkhead plate is become an entirety in structure, with multiple function or reinforcement
Column resists the external force such as soil pressure jointly.
The present invention, which is further characterized in that at upper and lower two layers of dislocation lap joint of prefabricated bulkhead plate, is equipped with oblique stiffening plate, strengthens
Plate is welded with prefabricated bulkhead plate up and down.When grain export, grain can be left at upper and lower two layers of dislocation lap joint of prefabricated bulkhead plate
Food, grain cleans relatively difficult herein;On the one hand the oblique stiffening plate that lap-joint is equipped with certain slope makes grain by flowing into certainly
In putting in storage, second waterproof guarantee on the other hand can be provided for bulkhead lap-joint, while on can strengthening in terms of the structure design
The connection of lower bulkhead.
The present invention is further characterized in that at upper and lower two layers of dislocation lap joint of prefabricated bulkhead plate that circumferentially spaced be provided with is put more energy into
Rib;The ribbed stiffener cuts away right angle by right angled triangle steel plate and forms, and the ribbed stiffener and adjacent prefabricated bulkhead plate up and down are vertical
Welding;Ribbed stiffener is polylith, and vertically prefabricated bulkhead plate overlapping part circumferential direction is uniformly distributed.Upper and lower two layers of prefabricated bulkhead plate
The ribbed stiffener of circumferentially spaced setting puts more energy into what floor was equipped with to strengthen the connection of neighbouring prefabricated bulkhead plate at dislocation lap joint
The welding of corner cut formula ribbed stiffener does not conflict spatially with the elongated angle welding of the overlapping part of upper and lower two layers prefabricated bulkhead plate;Add
Strength rib makes the ability that junction improves its resist torque and shears at bulkhead with the adjacent prefabricated equal vertical welding of bulkhead plate up and down.
The present invention is further characterized in that orlop uses two-sided steel plate concrete combining structure, on bottom plate lower steel plate and its between
Concrete using holdfast connect.This two-sided combining structure bulkhead light plate as orlop template and replace reinforcing bar, save
The operating expenses of bulkhead, reduces the difficulty of construction of bulkhead, accelerates integral construction speed;Double-layer plate concrete combined structure improves
The rigidity and intensity of bulkhead, is effective against soil pressure and pressure, is conducive to direction hair of the underground bin to deeper bigger,
The scope of application of the storehouse type is increased, and is more advantageous to the waterproof and dampproof problem of silo.
The present invention is further characterized in that the silo roof uses concrete-armor Plate.In this way, said structure is abundant
When having played the resistance to compression of concrete and the tensile capacity of steel plate, made large span Hold Ceiling structure stress more reasonable, and having constructed
Difficulty of construction can be significantly reduced, while can also accelerate speed of application by the use of steel plate as template.
The present invention is further characterized in that the multiple function of underground granary and reinforcing prop use section form as straight line or curve
Open tubular column or solid post.
It is a feature of the present invention that construction method comprises the following steps:(1) according to design requirement in precalculated position by more work(
Certain depth is driven underground in energy column;(2) surrounded in multiple function and first layer soil is excavated in region;(3) after first layer soil is excavated,
The prefabricated bulkhead plate of first layer is installed on the inside of multiple function;(4) after installing the prefabricated bulkhead plate of first layer, continuation down excavates the
Two layers of soil;(5) first layer reinforcing prop is installed on the inside of multiple function;(6) it is prefabricated that the second layer is installed on the inside of first layer reinforcing prop
Bulkhead plate;(7) according to the construction method of above-mentioned (4)-(6) step, prefabricated bulkhead plate is installed downwards successively, until orlop position;
(8) orlop construction is carried out;(9) construction of Hold Ceiling and beam is finally carried out, that is, completes the overall structure of underground granary.Multiple function
Depth is driven underground depending on foundation bearing capacity, buoyancy, bulkhead soil pressure, grain lateral pressure many factors synthesis, works as ground
When bearing capacity cannot meet engine request, multiple function and reinforcing prop can replace the vertical pressure that pile is transmitted by silo at this time
Power;In addition, multiple function and reinforcing prop can also replace buoyancy of the uplift pile resistance underground water to silo;Multiple function can be to pre-
Bulkhead plate processed is vertically positioned with circumferential direction, ensures that prefabricated every layer of bulkhead plate is vertical vertical, and circumferential direction forms an annulus, so that
Make stress more reasonable;After completing multiple function construction, along height, fractional layer is installed from top to bottom;It is prefabricated in every layer of installation
During bulkhead plate, height to be excavated first and is greater than or equal to prefabricated bulkhead plate height, diameter is greater than or equal to the space of warehouse overall diameter,
Ensure that the soil body does not cave in digging process at the same time, could so give prefabricated bulkhead plate installation to leave construction space, ensure prefabricated
Bulkhead plate construction safety is smoothed out;When cutting depth is below level of ground water, precipitation is first carried out, is then excavated;
After installing every layer of prefabricated bulkhead plate, the slip casting between bulkhead surrounding soil and prefabricated bulkhead plate, ensures excavating next layer of soil
During body, this layer soil body does not cave in, so as to ensure safety when subsoil excavates.Following two are used during every layer of prefabricated bulkhead plate installation
Kind method:(1) when every layer of prefabricated bulkhead plate is circumferential to be connected using last-cost joint mode, when every layer of prefabricated bulkhead plate is installed, first
Prefabricated bulkhead plate and adjacent multiple function or reinforcing prop are welded, ensure that prefabricated bulkhead plate reliably connects with multiple function or reinforcing prop
Connect, then with the contiguous prefabricated bulkhead plate of junction steel plate weld horizontal, finally poured between horizontally adjacent prefabricated bulkhead plate with advance
Bulkhead plate processed is identical or the water-proof concrete of a high strength grade.(2) when every layer of prefabricated bulkhead plate circumferential direction is connected using slot mode
When connecing, first, it will be welded on the outside of the left and right end of first block of prefabricated bulkhead plate with multiple function or reinforcing prop, then, by its right side
The left end male of contiguous prefabricated bulkhead plate is trapezoidal or the female of the contiguous prefabricated bulkhead plate of semiellipse type plug insertion is trapezoidal or half is ellipse
In round slot and it is welded to connect, right end female is trapezoidal or semiellipse type slot is welded with multiple function or reinforcing prop, according to upper
State welding method to be installed successively, the installation until completing this layer of prefabricated bulkhead plate.By above-mentioned construction method, from top to bottom according to
The secondary excavation soil body and the prefabricated bulkhead plate of installation, the cylinder warehouse structure that every layer of prefabricated bulkhead plate is formed can be used as pattern foundation pit supporting structure body
System, in this way, being well combined into one silo warehouse structure with foundation pit supporting system, has not only saved independent carry out pattern foundation pit supporting structure
Caused cost, substantially reduces construction investment, and substantially reduces the construction period of whole engineering.
Brief description of the drawings
The first underground bin floor plan of Fig. 1
Second of underground bin floor plan of Fig. 2
First and second kind of underground bin section layout drawing of Fig. 3
The prefabricated bulkhead plate schematic cross-section of first and second kind of monolithic of Fig. 4
The first first segment precast slab horizontal layout schematic diagram of Fig. 5
The first second segment of Fig. 6 and paragraphs below precast slab horizontal layout schematic diagram
First and second kind of bulkhead node schematic diagram of Fig. 7
Second of first segment precast slab horizontal layout schematic diagram of Fig. 8
Second of second segment of Fig. 9 and paragraphs below precast slab horizontal layout schematic diagram
In attached drawing:1 is multiple function;2 be reinforcing prop;3 be prefabricated bulkhead;4 be silo roof;5 be orlop;6 be junction steel plate;
7 be ribbed stiffener;8 be oblique stiffening plate;9 be elongated angle welding;10 be grain port;11 be earthing;12 be water-proof concrete;13
For inner side steel plate.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 7:It is stepped prefabricated assembled to present embodiments provide a kind of interior steel plated
Circular underground granary.Including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2, described is pre-
Bulkhead plate 3 processed is arc prefabricated chunk, and there is attachment device on periphery, can be with contiguous prefabricated bulkhead by the prefabricated bulkhead plate of attachment device
Plate, multiple function 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 from up to
Under be divided into several sections, the prefabricated bulkhead plate 3 of first layer is equipped with the inside of the first segment of the superiors, second segment inner side is first equipped with reinforcing prop 2, makes
It is concordant with prefabricated 3 medial surface of bulkhead plate of first layer to obtain reinforcing prop medial surface, then the prefabricated storehouse of the second layer is equipped with reinforcing prop medial surface
Siding 3 so that first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead
Plate part overlaps, and overlaps always to bottom one layer of prefabricated bulkhead plate, forms stepped assembled circle underground granary;It is described pre-
Bulkhead plate 3 processed combines integral structure, inner side steel plate 13 and outside concrete for the concrete slab of inner side steel plate 13 and outside
Connected using holdfast, the outside in the concrete slab of outside is equipped with bar-mat reinforcement.There are L type cornerites in prefabricated 3 top of bulkhead plate, pre-
There is U-shaped cornerite on 3 left side of bulkhead plate processed, the right.
Prefabricated bulkhead plate 3 is circumferential horizontal concordant, its outside is welded to connect with multiple function 1 or reinforcing prop 2, contiguous prefabricated storehouse
3 inner side junction steel plate 6 of siding connects, and junction steel plate 6 is used with prefabricated bulkhead plate 3 and is welded to connect;In multiple function 1 or strengthen
Column 2 is with pouring identical with a prefabricated bulkhead plate 3 or high intensity in the cavity that contiguous prefabricated bulkhead plate 3 and junction steel plate 6 surround
The water-proof concrete 12 of grade.
Described upper and lower two layers vertical dislocation lap joint of prefabricated bulkhead plate 3, the overlapping part of upper and lower two layers of prefabricated bulkhead plate are used
Elongated angle welding 9 is welded.Be equipped with oblique stiffening plate 8 at upper and lower two layers of dislocation lap joint of the prefabricated bulkhead plate 3, reinforcing plate 8 with
Upper and lower prefabricated bulkhead plate 3 welds.Circumferentially spaced be provided with is put more energy at upper and lower two layers of dislocation lap joint of the prefabricated bulkhead plate 3
Rib 7;The ribbed stiffener 7 cuts away right angle by right angled triangle steel plate and forms, and the ribbed stiffener 7 and adjacent prefabricated bulkhead plate 3 up and down are equal
Vertical welding;Ribbed stiffener 7 is polylith, and vertically prefabricated 3 overlapping part circumferential direction of bulkhead plate is uniformly distributed.
Embodiment two
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 7, Fig. 9:The present embodiment additionally provides a kind of stepped prefabrication and assembly construction of encased steel plate
Formula circle underground granary.It is described including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2
Prefabricated bulkhead plate 3 is arc prefabricated chunk, and there is attachment device on periphery, can be with contiguous prefabricated storehouse by the prefabricated bulkhead plate of attachment device
Siding, multiple function 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 is from upper
It is divided into several sections under, the prefabricated bulkhead plate 3 of first layer is equipped with the inside of the first segment of the superiors, reinforcing prop 2 is first equipped with the inside of second segment,
So that reinforcing prop medial surface is concordant with prefabricated 3 medial surface of bulkhead plate of first layer, then it is prefabricated equipped with the second layer in reinforcing prop medial surface
Bulkhead plate 3 so that first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated storehouse
Siding part overlaps, and overlaps always to bottom one layer of prefabricated bulkhead plate, forms stepped assembled circle underground granary;It is described
Prefabricated bulkhead plate 3 combines integral structure, inner side steel plate 13 and outside coagulation for the concrete slab of inner side steel plate 13 and outside
Soil is connected using holdfast, and the outside in the concrete slab of outside is equipped with bar-mat reinforcement.There are L type cornerites in prefabricated 3 top of bulkhead plate,
Prefabricated 3 left side of bulkhead plate, the right are surrounded by steel plate, and left end is equipped with that male is trapezoidal or half elliptic plug, right end are equipped with trapezoidal
Or half elliptic groove.
The prefabricated bulkhead plate 3 is circumferential horizontal concordant, and the male of every block of prefabricated bulkhead plate 3 is trapezoidal or semiellipse type plug is inserted
Enter that contiguous prefabricated 3 female of bulkhead plate is trapezoidal or semiellipse type slot in;Every block of prefabricated bulkhead plate 3 and multiple function 1 or reinforcing prop 2
It is welded to connect, the perps of the contiguous prefabricated inner side of bulkhead plate 3 is directly connected using butt welding and/or is welded to connect with junction steel plate.
Described upper and lower two layers vertical dislocation lap joint of prefabricated bulkhead plate 3, the overlapping part of upper and lower two layers of prefabricated bulkhead plate are used
Elongated angle welding 9 is welded.Be equipped with oblique stiffening plate 8 at upper and lower two layers of dislocation lap joint of the prefabricated bulkhead plate 3, reinforcing plate 8 with
Upper and lower prefabricated bulkhead plate 3 welds.Circumferentially spaced be provided with is put more energy at upper and lower two layers of dislocation lap joint of the prefabricated bulkhead plate 3
Rib 7;The ribbed stiffener 7 cuts away right angle by right angled triangle steel plate and forms, and the ribbed stiffener 7 and adjacent prefabricated bulkhead plate 3 up and down are equal
Vertical welding;Ribbed stiffener 7 is polylith, and vertically prefabricated 3 overlapping part circumferential direction of bulkhead plate is uniformly distributed.
Embodiment three:
As shown in figures 1 and 3:The present embodiment additionally provides that a kind of encased steel plate is stepped prefabricated assembled circularly to descend grain
Storehouse.Including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2, the prefabricated bulkhead plate 3
For arc prefabricated chunk, there is attachment device on periphery, can be with contiguous prefabricated bulkhead plate, multi-functional by the prefabricated bulkhead plate of attachment device
Column 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 is divided into number from top to bottom
Section, the first segment inner side of the superiors are equipped with the prefabricated bulkhead plate 3 of first layer, are first equipped with reinforcing prop 2 on the inside of second segment so that reinforcing prop
Medial surface is concordant with prefabricated 3 medial surface of bulkhead plate of first layer, then is equipped with the prefabricated bulkhead plate 3 of the second layer in reinforcing prop medial surface, makes
Obtain first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead plate part is taken
Connect, overlap always to bottom one layer of prefabricated bulkhead plate, form stepped assembled circle underground granary;The prefabricated bulkhead plate
3 combine integral structure for the concrete slab of inner side steel plate 13 and outside, and inner side steel plate 13 uses holdfast with outside concrete
Connect, the outside in the concrete slab of outside is equipped with bar-mat reinforcement.
The orlop 5 is pyramidal structure, and the orlop 5 uses two-sided steel plate concrete combining structure.This steel plate coagulation
Native combining structure light plate as orlop template and replace reinforcing bar, it is not necessary to construction when be laid with reinforcing bar, save applying for bulkhead
Expenses of labour is used, and reduces the difficulty of construction of orlop, accelerates integral construction speed;Double-layer plate concrete combined structure improves bulkhead
Rigidity and intensity, are effective against soil pressure and pressure, and the direction for being conducive to underground granary to deeper bigger is developed, and increases
The scope of application of the storehouse type, and it is more advantageous to the waterproof and dampproof problem of silo.
The silo roof 4 uses two-sided steel plate concrete combining structure, and the silo roof 4 sets grain port 10, the silo roof 4
Top sets earthing 11.Two-sided steel plate concrete combining structure structure has given full play to the resistance to compression of concrete and the tension energy of steel plate
Power, makes large span Hold Ceiling structure stress more reasonable, and can be significantly reduced and apply by the use of steel plate as template during construction
Work difficulty, while can also accelerate speed of application.Grain port set modernize into equipment of putting out cereal, easy to grain storage and carry
Take.
The underground granary can realize the storage of solid granulates, powder material or liquid material.The underground granary seals
Property and supportive it is fine, can also realize the storage to powder, liquid material, coordinate different chargings and discharging equipment, apply
It is quite varied.
Example IV
The present embodiment additionally provides a kind of construction method of the stepped prefabricated assembled circular underground granary of interior steel plated, bag
Include following steps:
1) multiple function 1 is driven underground by certain depth in precalculated position according to design requirement;
2) surrounded in multiple function and first layer soil is excavated in region;
3) after first layer soil is excavated, in the inner side of the multiple function 1 installation prefabricated bulkhead plate 3 of first layer;
4) after installing the prefabricated bulkhead plate 3 of first layer, second layer soil is down excavated in continuation;
5) in the inner side of multiple function 1 installation first layer reinforcing prop 2;
6) in the inner side of the first layer reinforcing prop 2 installation prefabricated bulkhead plate 3 of the second layer;
7) according to above-mentioned 4) -6) construction method of step, prefabricated bulkhead plate 3 is installed downwards successively, until orlop position;
8) orlop 5 is carried out to construct;
9) silo roof construction is finally carried out, that is, completes the overall structure of underground granary.
Depth is driven underground according to foundation bearing capacity, buoyancy, bulkhead soil pressure, grain lateral pressure many factors in multiple function
Depending on synthesis, when foundation bearing capacity cannot meet engine request, multiple function and reinforcing prop can replace pile by cylinder at this time
The vertical pressure that storehouse is transmitted;In addition, multiple function and reinforcing prop can also replace buoyancy of the uplift pile resistance underground water to silo;
Multiple function can vertically position prefabricated bulkhead plate with circumferential direction, ensure that prefabricated every layer of bulkhead plate is vertical vertical, circumferential shape
Into an annulus, so that stress is more reasonable;After completing multiple function construction, along height, fractional layer is pacified from top to bottom
Dress;When installing every layer of prefabricated bulkhead plate, height is excavated first and is greater than or equal to prefabricated bulkhead plate height, diameter is greater than or equal to
The space of warehouse overall diameter, while ensure that the soil body does not cave in digging process, it could so give prefabricated bulkhead plate installation to leave
Construction space, ensures that prefabricated bulkhead plate construction safety is smoothed out;When cutting depth is below level of ground water, first to be dropped
Water, is then excavated;After installing every layer of prefabricated bulkhead plate, the slip casting between bulkhead surrounding soil and prefabricated bulkhead plate, is protected
When excavating next layer soil body, this layer soil body does not cave in card, so as to ensure safety when subsoil excavates.Every layer of prefabricated bulkhead plate
The following two kinds method is used during installation:A, when every layer of prefabricated bulkhead plate is circumferential to be connected using last-cost joint mode, every layer of prefabricated storehouse
When siding is installed, prefabricated bulkhead plate and adjacent multiple function or reinforcing prop are welded first, ensure prefabricated bulkhead plate with it is multi-functional
Column or reinforcing prop are reliably connected, then with the contiguous prefabricated bulkhead plate of junction steel plate weld horizontal, finally in horizontally adjacent prefabricated storehouse
The water-proof concrete of identical with a prefabricated bulkhead plate or high strength grade is poured between siding.B, when every layer of prefabricated bulkhead plate is circumferential
When being connected using slot mode, first, it will be welded on the outside of the left and right end of first block of prefabricated bulkhead plate with multiple function or reinforcing prop,
Then, it is the left end male of its contiguous prefabricated bulkhead plate in right side is trapezoidal or semiellipse type plug is inserted into the recessed of contiguous prefabricated bulkhead plate
Formula is trapezoidal or semiellipse type slot in and be welded to connect, right end female is trapezoidal or semiellipse type slot and multiple function or reinforcing prop
Welding, is installed, the installation until completing this layer of prefabricated bulkhead plate successively according to above-mentioned welding method.By above-mentioned construction party
Method, excavates the soil body and installs prefabricated bulkhead plate, the cylinder warehouse structure that every layer of prefabricated bulkhead plate is formed can be made successively from top to bottom
For foundation pit supporting system, in this way, being well combined into one silo warehouse structure with foundation pit supporting system, not only save individually
Cost caused by carrying out pattern foundation pit supporting structure, substantially reduces construction investment, and substantially reduce the construction period of whole engineering.
Embodiment five
As shown in figures 1 and 3:The present embodiment additionally provides that a kind of encased steel plate is stepped prefabricated assembled circularly to descend grain
Storehouse.Including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2, the prefabricated bulkhead plate 3
For arc prefabricated chunk, there is attachment device on periphery, can be with contiguous prefabricated bulkhead plate, multi-functional by the prefabricated bulkhead plate of attachment device
Column 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 is divided into number from top to bottom
Section, the first segment inner side of the superiors are equipped with the prefabricated bulkhead plate 3 of first layer, are first equipped with reinforcing prop 2 on the inside of second segment so that reinforcing prop
Medial surface is concordant with prefabricated 3 medial surface of bulkhead plate of first layer, then is equipped with the prefabricated bulkhead plate 3 of the second layer in reinforcing prop medial surface, makes
Obtain first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead plate part is taken
Connect, overlap always to bottom one layer of prefabricated bulkhead plate, form stepped assembled circle underground granary;The prefabricated bulkhead plate
3 combine integral structure for the concrete slab of inner side steel plate 13 and outside, and inner side steel plate 13 uses holdfast with outside concrete
Connect, the outside in the concrete slab of outside is equipped with bar-mat reinforcement.
Prefabricated 3 outer surface of the bulkhead plate spraying mask coating, the mask coating include the material system of following parts by weight
Into:115 parts of asphalt, 7 parts of glass fibre, 8 parts of bentonite, 6 parts of emulsifying agent, 1.5 parts of dispersant, 1.5 parts of stabilizer are organic
25 parts of fluorine richness styrene-acrylic emulsion, 2.5 parts of antifreeze.
The emulsifying agent uses hydrogenated tallow amine, and the dispersant uses glyceryl monostearate, and the stabilizer uses
Sulfate, the antifreeze use ethylene glycol.
Embodiment six
As shown in figures 1 and 3:The present embodiment additionally provides that a kind of encased steel plate is stepped prefabricated assembled circularly to descend grain
Storehouse.Including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2, the prefabricated bulkhead plate 3
For arc prefabricated chunk, there is attachment device on periphery, can be with contiguous prefabricated bulkhead plate, multi-functional by the prefabricated bulkhead plate of attachment device
Column 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 is divided into number from top to bottom
Section, the first segment inner side of the superiors are equipped with the prefabricated bulkhead plate 3 of first layer, are first equipped with reinforcing prop 2 on the inside of second segment so that reinforcing prop
Medial surface is concordant with prefabricated 3 medial surface of bulkhead plate of first layer, then is equipped with the prefabricated bulkhead plate 3 of the second layer in reinforcing prop medial surface, makes
Obtain first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead plate part is taken
Connect, overlap always to bottom one layer of prefabricated bulkhead plate, form stepped assembled circle underground granary;The prefabricated bulkhead plate
3 combine integral structure for the concrete slab of inner side steel plate 13 and outside, and inner side steel plate 13 uses holdfast with outside concrete
Connect, the outside in the concrete slab of outside is equipped with bar-mat reinforcement.
Prefabricated 3 outer surface of the bulkhead plate spraying mask coating, the mask coating include the material system of following parts by weight
Into:110 parts of asphalt, 10 parts of glass fibre, 9 parts of bentonite, 7.5 parts of emulsifying agent, 2 parts of dispersant, 2 parts of stabilizer are organic
30 parts of fluorine richness styrene-acrylic emulsion, 3 parts of antifreeze.
The emulsifying agent uses hydrogenated tallow amine, and the dispersant uses glyceryl monostearate, and the stabilizer uses
Sulfate, the antifreeze use ethylene glycol.
Embodiment seven
As shown in figures 1 and 3:The present embodiment additionally provides that a kind of encased steel plate is stepped prefabricated assembled circularly to descend grain
Storehouse.Including orlop 5, the prefabricated bulkhead plate 3 of polylith, Hold Ceiling 4, multiple function 1, multilayer reinforcing prop 2, the prefabricated bulkhead plate 3
For arc prefabricated chunk, there is attachment device on periphery, can be with contiguous prefabricated bulkhead plate, multi-functional by the prefabricated bulkhead plate of attachment device
Column 1 and multilayer reinforcing prop 2 are attached;The multiple function 1 positions bulkhead.Multiple function 1 is divided into number from top to bottom
Section, the first segment inner side of the superiors are equipped with the prefabricated bulkhead plate 3 of first layer, are first equipped with reinforcing prop 2 on the inside of second segment so that reinforcing prop
Medial surface is concordant with prefabricated 3 medial surface of bulkhead plate of first layer, then is equipped with the prefabricated bulkhead plate 3 of the second layer in reinforcing prop medial surface, makes
Obtain first and second layer of prefabricated bulkhead plate part overlap joint;With above-mentioned set-up mode so that second and third layer of prefabricated bulkhead plate part is taken
Connect, overlap always to bottom one layer of prefabricated bulkhead plate, form stepped assembled circle underground granary;The prefabricated bulkhead plate
3 combine integral structure for the concrete slab of inner side steel plate 13 and outside, and inner side steel plate 13 uses holdfast with outside concrete
Connect, the outside in the concrete slab of outside is equipped with bar-mat reinforcement.
Prefabricated 3 outer surface of the bulkhead plate spraying mask coating, the mask coating include the material system of following parts by weight
Into:105 parts of asphalt, 13 parts of glass fibre, 10 parts of bentonite, 9 parts of emulsifying agent, 2.5 parts of dispersant, 2.5 parts of stabilizer, has
35 parts of machine fluorine richness styrene-acrylic emulsion, 3.5 parts of antifreeze.
The emulsifying agent uses hydrogenated tallow amine, and the dispersant uses glyceryl monostearate, and the stabilizer uses
Sulfate, the antifreeze use ethylene glycol.
Embodiment five to seven provides the special mask coating in prefabricated bulkhead plate outer surface, prefabricated bulkhead plate is played protection,
Corrosion-resistant acts on, and plays the role of antiseepage, sealing to bulkhead, can spray when prefabricated bulkhead plate is prefabricated or assemble storehouse at the scene
Sprayed during wall, fundamentally solve corner, gap, irregular structure junction leakage etc. technical barrier, enhance underground
The water resistance of silo.Glass fibre is added in mask coating, the toughness and tensile strength of coating is considerably increased, delays
The time of coating cracking, increase its service life, and also there is certain supporting role for bulkhead.The antifreezing agent of addition can
To reduce damage of the low temperature to mask coating, the safe operation of cold district winter underground granary ensure that.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff makes technical scheme, without departing from technical solution of the present invention
Spirit and scope, should all cover among scope of the presently claimed invention.