CN106193746A - The prefabricated assembled circular underground granary of a kind of encased steel plate - Google Patents

The prefabricated assembled circular underground granary of a kind of encased steel plate Download PDF

Info

Publication number
CN106193746A
CN106193746A CN201610525954.3A CN201610525954A CN106193746A CN 106193746 A CN106193746 A CN 106193746A CN 201610525954 A CN201610525954 A CN 201610525954A CN 106193746 A CN106193746 A CN 106193746A
Authority
CN
China
Prior art keywords
plate
bulkhead plate
prefabricated
function
bulkhead
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
Application number
CN201610525954.3A
Other languages
Chinese (zh)
Other versions
CN106193746B (en
Inventor
张昊
王振清
王录民
揣军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Ditian Grain Tank Factory Technology Co., Ltd.
Original Assignee
Henan University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN201610525954.3A priority Critical patent/CN106193746B/en
Publication of CN106193746A publication Critical patent/CN106193746A/en
Application granted granted Critical
Publication of CN106193746B publication Critical patent/CN106193746B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/22Containers for fluent solids, e.g. silos, bunkers; Supports therefor
    • E04H7/24Constructions, with or without perforated walls, depending on the use of specified materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/22Containers for fluent solids, e.g. silos, bunkers; Supports therefor
    • E04H2007/225Silos with retaining wall type wall elements, e.g. trench silos
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/51Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products

Abstract

A kind of prefabricated assembled underground granary, the flat shape of this underground granary is circular, including at the bottom of storehouse, polylith prefabricated bulkhead plate, Cang Ding, multiple function, described bulkhead plate is arc prefabricated chunk, periphery has attachment means, can be attached with adjacent bulkhead plate, multiple function by attachment means bulkhead plate;Bulkhead is positioned by described multiple function, and it anchors into the degree of depth in soil and is more than the degree of depth at the bottom of storehouse, is subject to soil pressure, pressure and the main bearing member of opposing buoyancy;It is characterized in that: multiple function is divided into several sections from top to bottom, it is provided with ground floor bulkhead plate inside the first paragraph of the superiors, inside second segment, is provided with second layer bulkhead plate, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, form circular assembled underground granary structure;Described prefabricated bulkhead plate is that the concrete slab of outside plate and inner side is combined into overall structure, and outside plate uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.

Description

The prefabricated assembled circular underground granary of a kind of encased steel plate
Technical field
The present invention relates to underground granary technical field, be specifically related to that a kind of encased steel plate is prefabricated assembled descends grain circularly Storehouse.
Background technology
Underground granary is built under shallow layer surface, long-term low-temperature grain-storage, keeps grain quality, suppression insect pest to occur, it is to avoid Use toxic agents is fumigated, opposing corollary failure and the dual-purpose many merits that waits of drawing, and many expert is consistent with scholar thinks reasonable Popularization and application underground grain storehouse new system and new technique, it is possible to realize low-temperature environment-friendly, energy-conservation save land, detraction of guaranteeing the quality, ecological grain storage.
The existing underground granary of China is typically at the relatively low general loess of level of ground water be suitable for being stained with property area, such as cave dwelling Storehouse, loudspeaker storehouse, double curvature arch storehouse, semi-underground bin, shape loudspeaker storehouse, hole;The most built underground bin mostly is brickwork construction, and capacity is little, accounts for Ground area is big, mechanization degree is low.
In order to build be useful in that level of ground water is higher, complex geological condition region can the Novel underground silo of popularization and application, Some national patents and document it is also proposed circular grain bin, and the large space Underground Rectangular that cylinder, semicircular cylinder surround, combined type is enclosed in stake The storehouse types such as underground bin, but the popularization and application of above-mentioned new storehouse type, there is also some problem demanding prompt solutions, such as: (1) underground grain storage Storehouse has high standard requirement waterproof, moistureproof.Guarantee that warehouse is water-tight in service life, do not seep water;The web material used is easy Aging, working procedure is complicated, and difficulty is big, construction quality problem easily occurs.(2) the wet trade environment construction period of deep basal pit Long.After excavation of foundation pit, precipitation, storehouse base plate is cast-in-place, bulkhead slding form operation needs to carry out in wet trade environmental condition for a long time, and work is strong Degree is big, long construction period, and construction cost is 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 at the bottom of Cang Ding, bulkhead and storehouse, This bulkhead Covered with Angles, steel plate also can be connected formation with steel plate steel beam column by bulkhead separately as waterproof, the damp-proof layer of bulkhead The bulkhead of combinative structure comes waterproof, moistureproof.Underground granary bulkhead be shaped as linear or shaped form, as cylindrical shape, square tube shape, Semicircle bulkhead etc..This invention solves the waterproof and dampproof problem of storehouse base plate by encased steel plate.Constructing at the bottom of storehouse simultaneously Time, steel plate as template, is accelerated speed of application, is reduced construction cost, but its construction is constructed for cast in situs, and this construction The deficiencies such as method needs to carry out excavation of foundation pit, so there is integral constructing cost high, long construction period.
A kind of underground granary of the disclosure of the invention of Application No. CN200910207154.7, including at the bottom of Cang Ding, bulkhead and storehouse, This bulkhead is divided into inner and outer wall, uses connector to be linked to be entirety between inwall and outer wall, forms cavity between inwall and outer wall, Described cavity is used for detection and the reparation that underground granary leaks, and ventilates for underground granary and the detection of grain feelings.This invention silo It is also required to excavation of foundation pit, there is the deficiencies such as construction trouble, construction cost height, long construction period.
Prefabricated construction is to realize building structure industrialization and one of effective way of building energy conservation joint row, for a long time with Come, concrete construction mainly uses the traditional work mode of site operation, and industrialization degree is low, water consumption, energy consumption, artificial rubbish, Quantity of wastewater effluent is big, does not meets the Sustainable development policies of national energy-saving and environmental protection.Use fabricated construction, can be pre-with factory System, assembled in situ, it is achieved building structure industrialization, can be effectively improved material in building energy conservation and the effect of structural behaviour simultaneously Rate, the saving energy and resource, reduce building waste and the harmful effect of environment, reduce construction site restriction etc..Therefore, in order to carry For a kind of " fast, good, save " underground grain storage new storehouse type, researching and developing prefabricated assembled Novel underground storehouse has become required.
Summary of the invention
It is an object of the invention to provide the prefabricated assembled circular underground granary of a kind of encased steel plate, this is prefabricated assembledly The encased steel plate of lower silo can replace waterproof roll, has the most waterproof, anti-seepage effect and comprehensive benefit;Prefabricated bulkhead plate can Producing in prefabricated components factory normalization, processing and manufacturing quality can effectively control and energy-conserving and environment-protective, Prefabricated Assembling, Mechanization installation, can crossed construction, shorten the construction period.It addition, prefabricated warehouse structure can save as foundation pit supporting system About pattern foundation pit supporting structure cost, reduces construction investment.
The solution of the present invention is: a kind of prefabricated assembled underground granary, and the flat shape of this underground granary is circular, Including at the bottom of storehouse, polylith prefabricated bulkhead plate, Cang Ding, multiple function, described bulkhead plate is arc prefabricated chunk, periphery have connection dress Put, can be attached with adjacent bulkhead plate, multiple function by attachment means bulkhead plate;Bulkhead is carried out fixed by described multiple function Position, it anchors into the degree of depth in soil and is more than the degree of depth at the bottom of storehouse, is subject to the main stress structure of soil pressure, pressure and opposing buoyancy Part;It is characterized in that: multiple function is divided into several sections from top to bottom, inside the first paragraph of the superiors, be provided with ground floor bulkhead plate, the It is provided with second layer bulkhead plate inside two-stage nitration, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, forms circle dress Join formula underground granary structure;Described prefabricated bulkhead plate is that the concrete slab of outside plate and inner side is combined into overall structure, outward Side steel plate uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
It is a feature of the present invention that prefabricated bulkhead plate multiple function uses steel column or is provided with the concrete column of steel embedded part, many merits Location steel beam column can be provided with by post.Multiple function to ensure that its connecting elements with surrounding forms a common stress of entirety, so, With steel column or be provided with the concrete column of steel embedded part can the most connected Member Welding;The location steel beam column of multiple function Can position accurately when prefabricated bulkhead plate is installed, weld premise for fixing at prefabricated bulkhead plate with multiple function simultaneously Effect.
It is a feature of the present invention that prefabricated bulkhead plate hoop level is concordant, be welded to connect with multiple function outside it, left and right Weld with junction steel plate inside contiguous prefabricated bulkhead plate;Surround at multiple function, contiguous prefabricated bulkhead plate and junction steel plate The water-proof concrete of identical with prefabricated bulkhead plate or high strongest grade is poured in cavity.So, outside prefabricated bulkhead plate Ensure that after welding with multiple function that outside plate keeps an entirety with multiple function at hoop, it is thus possible to enter prefabricated bulkhead Row is the most waterproof;It addition, be welded to connect with junction steel plate inside bulkhead plate, on the one hand there is the second added at node Waterproof measure, and make multiple function and prefabricated bulkhead and the concrete between it define overall structure, make stress more Rationally, the simpler convenience of node construction.
Inventive feature also resides in prefabricated bulkhead plate (2) top, has a U-shaped or L-type cornerite below.So, bulkhead is facilitated Plate bulkhead contiguous prefabricated with surrounding plate and multiple function are welded to connect.
It is concordant that inventive feature also resides in the vertical outside of prefabricated bulkhead plate, and neighbouring prefabricated storehouse wall panels end is inside and outside Both sides are all welded to connect with junction steel plate;Pour and prefabricated bulkhead in the cavity that contiguous prefabricated bulkhead plate and junction steel plate surround Plate is identical or the water-proof concrete of high strongest grade.Soil pressure outside the underground bin big grain in the inner side to bulkhead Pressure, so when bulkhead structure designs, during hole capital after selling all securities, underground bin is worst by the force status of soil pressure, and actual On along the bulkhead soil body from top to bottom, the pressure of bulkhead is gradually increased, therefore, the thickness of every layer of prefabricated bulkhead plate should be according to storehouse Wall loading characteristic carries out variable cross-section design could be more reasonable, and bulkhead expenditure of construction could be more economical.Prefabricated bulkhead plate vertically outside Side is concordant, every layer of prefabricated bulkhead plate both can have been made to be easier to multiple function and welded and position, and inner side can also be subject to according to reality Power situation could be adjusted to meet the design requirement of rational variable cross-section.The inside and outside both sides of wall panels end, neighbouring prefabricated storehouse are all used Junction steel plate is welded to connect, and pours water-proof concrete between them, so on the one hand can meet neighbouring precoated plate and connect The Structural Design Requirement of node, the reliable waterproof measure in waterproof offer two road that the most inside and outside steel plate is bulkhead lap-joint.
It is a feature of the present invention that the vertical outside of prefabricated bulkhead plate is concordant, the horizontal joint inside neighbouring prefabricated bulkhead plate Butt welding is directly used to connect and/or be welded to connect with junction steel plate.So, neighbouring prefabricated bulkhead plate tip inside is right Connecing weldering and/or junction steel plate makes levels prefabricated bulkhead plate form an overall structure, the steel plate on bulkhead is in vertical shape simultaneously Become a waterproof measure closed.
It is a feature of the present invention that described prefabricated bulkhead plate lower end is provided with that male is trapezoidal or semiellipse type plug, upper end is provided with Female is trapezoidal or semiellipse type slot.So facilitate the location of bulkhead plate and surrounding contiguous prefabricated bulkhead plate and be connected.
It is a feature of the present invention that the vertical outside of described prefabricated bulkhead plate is concordant, the male ladder of every piece of prefabricated bulkhead plate lower end Shape or semiellipse type plug insert that the female of contiguous prefabricated bulkhead plate upper end is trapezoidal or in semiellipse type slot;Neighbouring prefabricated Horizontal joint inside bulkhead plate directly uses butt welding connect and/or be welded to connect with junction steel plate.Under every layer of prefabricated bulkhead plate The male of end is trapezoidal or semiellipse type plug can be to provide location and interconnection function, lower floor storehouse during the installation of adjacent lower bulkhead plate The female of wallboard upper end is trapezoidal or semiellipse type slot can play the relative displacement retraining radial direction, opposing node point connection Shearing.
It is a feature of the present invention that the two-sided steel plate concrete combinative structure of employing at the bottom of storehouse, on base plate between lower steel plate and its Concrete uses holdfast to connect.This two-sided combinative structure bulkhead light plate is as the template of storehouse base plate and replaces reinforcing bar, saves 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 of bulkhead and intensity, be effective against soil pressure and pressure, beneficially underground bin and send out to deeper bigger direction, Increase the scope of application of this storehouse type, and be more beneficial for the waterproof and dampproof problem of silo.
Inventive feature also resides in described Cang Ding and uses concrete-armor Plate.So, said structure is abundant Play the resistance to compression of concrete and the resistance to tension of steel plate, made large span Hold Ceiling structure stress more reasonable, and when constructing Difficulty of construction can be significantly reduced with steel plate as template, also can accelerate speed of application simultaneously.
It is a feature of the present invention that multiple function and reinforcing prop use section form to be straight line or the open tubular column of curve or reality Stem.
It is a feature of the present invention that construction method comprises the following steps: (1) requires many merits in precalculated position according to design Can be driven underground certain depth by post;(2) in multiple function surrounds region, excavate ground floor soil;(3) after excavating ground floor soil, Ground floor prefabricated bulkhead plate is installed inside multiple function;(4), after installing ground floor prefabricated bulkhead plate, continue down to excavate the Two layers of soil;(5) second layer prefabricated bulkhead plate is installed inside multiple function;(6) according to the construction party of above-mentioned (4th)-(5) step Method, installs downwards prefabricated bulkhead plate successively, until position at the bottom of storehouse;(7) storehouse bottom application work is carried out;(8) Cang Ding construction is finally carried out, i.e. Complete the overall structure of underground granary.Multiple function is driven underground the degree of depth according to foundation bearing capacity, buoyancy, bulkhead soil pressure, grain Depending on food lateral pressure many factors is comprehensive, when foundation bearing capacity can not meet engine request, now locating dowel and reinforcing prop can With the vertical pressure replacing pile to be transmitted by silo;It addition, multiple function and reinforcing prop can also replace uplift pile to resist underground The water buoyancy to silo;Prefabricated bulkhead plate can vertically be positioned by multiple function with hoop, it is ensured that prefabricated bulkhead plate every layer Vertical vertical, hoop forms an annulus, so that stress is more reasonable;Complete multiple function construction after, along height to Lower fractional layer is installed;When installing every layer of prefabricated bulkhead plate, first excavate height and be more than or equal to prefabricated bulkhead plate height, Diameter, more than or equal to the space of warehouse overall diameter, ensures that the soil body does not caves in digging process, so could give prefabricated simultaneously Bulkhead plate is installed and is left construction space, it is ensured that bulkhead plate construction safety is smoothed out;When cutting depth is below level of ground water, First to carry out precipitation, then to excavate;After installing every layer of prefabricated bulkhead plate, bulkhead surrounding soil and prefabricated bulkhead plate it Between slip casting, it is ensured that excavate next layer soil body time, this layer soil body does not caves in, thus ensures safety when subsoil excavates.Every layer When prefabricated bulkhead plate is installed, first bulkhead plate is welded with adjacent multiple function or reinforcing prop, it is ensured that prefabricated bulkhead plate and many merits Energy post or reinforcing prop are reliably connected, then with junction steel plate weld horizontal contiguous prefabricated bulkhead plate, finally contiguous prefabricated in level The water-proof concrete of identical with a prefabricated bulkhead plate or high strength grade is poured between bulkhead plate.Adjacent upper and lower prefabricated bulkhead plate erects The most concordant, its connected mode is as follows: the inside and outside both sides of wall panels end, (1) neighbouring prefabricated storehouse are all welded with junction steel plate Connect;Or high strongest identical with prefabricated bulkhead plate etc. is poured with junction steel plate in the cavity that contiguous prefabricated bulkhead plate surrounds The water-proof concrete of level;(2) horizontal joint inside neighbouring prefabricated bulkhead plate directly uses butt welding to connect and/or with connecting Plate Welding connects;(3) when prefabricated bulkhead plate lower end is provided with, male is trapezoidal or semiellipse type plug, upper end be provided with female trapezoidal or During semiellipse type slot, the male of every piece of prefabricated bulkhead plate lower end is trapezoidal or semiellipse type plug inserts on contiguous prefabricated bulkhead plate End female is trapezoidal or in semiellipse type slot, the horizontal joint inside neighbouring prefabricated bulkhead plate directly uses butt welding to connect And/or be welded to connect with junction steel plate.By above-mentioned construction method, the excavation soil body and the prefabricated bulkhead plate of installation the most successively, The cylinder warehouse structure of every layer of bulkhead plate formation can be as foundation pit supporting system, so, well by silo warehouse structure and base Hole support system unites two into one, and has not only saved and has individually carried out the cost that pattern foundation pit supporting structure is brought, has been substantially reduced construction investment, and And substantially reduce the construction period of whole engineering.
Accompanying drawing explanation
First, second and third kind of underground bin site plan of Fig. 1
First, second and third kind of underground bin section layout drawing of Fig. 2
First and second kind of monolithic prefabricated bulkhead plate schematic cross-section of Fig. 3
The third monolithic of Fig. 4 prefabricated bulkhead plate schematic cross-section
First, second and third kind of precast slab horizontal layout schematic diagram of Fig. 5
The first bulkhead node schematic diagram of Fig. 6
Fig. 7 the second bulkhead node schematic diagram
The third bulkhead node schematic diagram of Fig. 8
In accompanying drawing: 1 is multiple function;2 is prefabricated bulkhead plate;3 is Cang Ding;4 is at the bottom of storehouse;6 is grain port;7 is earthing; 8 is water-proof concrete;9 is outside plate.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Fig. 6: present embodiments provide a kind of encased steel plate prefabricated assembled circularly Lower silo.Including at the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, Periphery has attachment means, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Described multi-functional Bulkhead is positioned by post 1.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead inside the first paragraph of the superiors Plate, is provided with second layer bulkhead plate inside second segment, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, formed Circular assembled underground granary structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into entirety Structure, outside plate 9 uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
Described prefabricated bulkhead plate multiple function 1 uses steel column or is provided with the concrete column of steel embedded part.
Described prefabricated bulkhead plate 2 hoop level is concordant, is welded to connect with multiple function 1, contiguous prefabricated storehouse, left and right outside it Weld with junction steel plate 5 inside wallboard 2;At the cavity 8 that multiple function 1, contiguous prefabricated bulkhead plate 2 and junction steel plate 5 surround Inside pour the water-proof concrete of identical with prefabricated bulkhead plate 2 or high strongest grade.
In described prefabricated bulkhead plate 2 top, there is a U-shaped or L-type cornerite below.The prefabricated vertical outside of bulkhead plate 2 is concordant, on Under inside and outside both sides, contiguous prefabricated bulkhead plate 2 end be all welded to connect with junction steel plate 5;In contiguous prefabricated bulkhead plate 2 and connection The water-proof concrete of identical with prefabricated bulkhead plate 3 or high strongest grade is poured in the cavity 10 that steel plate 5 surrounds.
Embodiment two
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Fig. 7: present embodiments provide a kind of encased steel plate prefabricated assembled circularly Lower silo.Including at the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, Periphery has attachment means, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Described multi-functional Bulkhead is positioned by post 1.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead inside the first paragraph of the superiors Plate, is provided with second layer bulkhead plate inside second segment, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, formed Circular assembled underground granary structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into entirety Structure, outside plate 9 uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
Described prefabricated bulkhead plate multiple function 1 uses steel column or is provided with the concrete column of steel embedded part.
Described prefabricated bulkhead plate 2 hoop level is concordant, is welded to connect with multiple function 1, contiguous prefabricated storehouse, left and right outside it Weld with junction steel plate 5 inside wallboard 2;At the cavity 8 that multiple function 1, contiguous prefabricated bulkhead plate 2 and junction steel plate 5 surround Inside pour the water-proof concrete of identical with prefabricated bulkhead plate 2 or high strongest grade.
In described prefabricated bulkhead plate 2 top, there is a U-shaped or L-type cornerite below.The described vertical outside of prefabricated bulkhead plate 2 is flat Together, the horizontal joint inside neighbouring prefabricated bulkhead plate 2 directly uses butt welding connect and/or be welded to connect with junction steel plate.
Embodiment three
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, Fig. 8: present embodiments provide a kind of encased steel plate prefabricated assembled circularly Lower silo.Including at the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, Periphery has attachment means, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Described multi-functional Bulkhead is positioned by post 1.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead inside the first paragraph of the superiors Plate, is provided with second layer bulkhead plate inside second segment, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, formed Circular assembled underground granary structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into entirety Structure, outside plate 9 uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
Described prefabricated bulkhead plate multiple function 1 uses steel column or is provided with the concrete column of steel embedded part.
Described prefabricated bulkhead plate 2 hoop level is concordant, is welded to connect with multiple function 1, contiguous prefabricated storehouse, left and right outside it Weld with junction steel plate 5 inside wallboard 2;At the cavity 8 that multiple function 1, contiguous prefabricated bulkhead plate 2 and junction steel plate 5 surround Inside pour the water-proof concrete of identical with prefabricated bulkhead plate 2 or high strongest grade.
Described prefabricated bulkhead plate 2 lower end is provided with that male is trapezoidal or semiellipse type plug, and it is trapezoidal or half ellipse that upper end is provided with female Round slot.The vertical outside of described prefabricated bulkhead plate 2 is concordant, and the male of every piece of prefabricated bulkhead plate 2 lower end is trapezoidal or semiellipse type Plug insert contiguous prefabricated bulkhead plate 2 upper end female is trapezoidal or in semiellipse type slot;Inside neighbouring prefabricated bulkhead plate 2 Horizontal joint directly use butt welding connect and/or be welded to connect with junction steel plate.
Embodiment four
As depicted in figs. 1 and 2: present embodiments provide the prefabricated assembled circular underground granary of a kind of encased steel plate.Including At the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, and periphery has connection Device, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Bulkhead is entered by described multiple function 1 Row location.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead plate, inside second segment inside the first paragraph of the superiors It is provided with second layer bulkhead plate, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, forms circular assembled underground Barn structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into overall structure, outside plate 9 use holdfast to be connected with inner side concrete, and are all surrounded by U-shaped steel plate in left and right end.
At the bottom of described storehouse, 4 is pyramidal structure, and at the bottom of described storehouse, 4 use two-sided steel plate concrete combinative structure.This steel plate coagulation Soil combinative structure light plate as the template of storehouse base plate and replaces reinforcing bar, it is not necessary to lays reinforcing bar when construction, saves bulkhead Operating expenses, reduces the difficulty of construction at the bottom of storehouse, accelerates integral construction speed;Double-layer plate concrete combined structure improves bulkhead Rigidity and intensity, be effective against soil pressure and pressure, beneficially underground granary and develop to deeper bigger direction, increase The scope of application of this storehouse type, and it is more beneficial for the waterproof and dampproof problem of silo.
The two-sided steel plate concrete combinative structure of top, described storehouse 3 employing, top, described storehouse 3 arranges grain port 6, top, described storehouse 3 It is provided above earthing 7.Two-sided steel plate concrete combinative 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 significantly reduce execute with steel plate as template when constructing Work difficulty, also can accelerate speed of application simultaneously.Grain port arranges modernization turnover grain equipment, it is simple to the depositing and carrying of grain Take.
Described underground granary can realize the storage of solid granulates, powder material or liquid material.This underground granary seals Property and supportive fine, it is also possible to realize to powder, the storage of liquid material, coordinate different chargings and discharging equipment, application Quite varied.
Embodiment five
The present embodiment additionally provides the construction method of the prefabricated assembled circular underground granary of a kind of encased steel plate, including as follows Step:
1) according to designing the certain depth that requires to be driven underground by multiple function 1 in precalculated position;
2) in multiple function 1 surrounds region, excavate ground floor soil;
3) after excavating ground floor soil, ground floor prefabricated bulkhead plate 2 is installed inside multiple function 1;
4), after installing ground floor prefabricated bulkhead plate 2, continue down to excavate second layer soil;
5) second layer prefabricated bulkhead plate 2 is installed inside multiple function 1;
6) according to the above-mentioned 4th)-5) construction method of step, prefabricated bulkhead plate 2 is installed downwards successively, until position at the bottom of storehouse;
7) carry out at the bottom of storehouse 4 to construct;
8) finally carry out Cang Ding construction, i.e. complete the overall structure of underground granary.
Multiple function is driven underground the degree of depth according to foundation bearing capacity, buoyancy, bulkhead soil pressure, grain lateral pressure many factors Depending on Zong He, when foundation bearing capacity can not meet engine request, now locating dowel and reinforcing prop can substitute for pile by silo The vertical pressure transmitted;It addition, multiple function and reinforcing prop can also replace uplift pile to resist the subsoil water buoyancy to silo;Many Prefabricated bulkhead plate can vertically be positioned by functional column with hoop, it is ensured that prefabricated bulkhead plate every layer is vertical vertical, and hoop is formed One annulus, so that stress is more reasonable;After completing multiple function construction, install along fractional layer the most from top to bottom; When installing every layer of prefabricated bulkhead plate, first excavate height and be more than or equal to storehouse more than or equal to prefabricated bulkhead plate height, diameter The space of outer diameter, ensures that the soil body does not caves in digging process simultaneously, leaves so could to the installation of prefabricated bulkhead plate and execute Work space, it is ensured that bulkhead plate construction safety is smoothed out;When cutting depth is below level of ground water, to first carry out precipitation, so After excavate;After installing every layer of prefabricated bulkhead plate, slip casting between bulkhead surrounding soil and prefabricated bulkhead plate, it is ensured that When excavating next layer soil body, this layer soil body does not caves in, thus ensures safety when subsoil excavates.Every layer of prefabricated bulkhead plate is installed Time, first bulkhead plate is welded with adjacent multiple function or reinforcing prop, it is ensured that prefabricated bulkhead plate can with multiple function or reinforcing prop By connecting, then with junction steel plate weld horizontal contiguous prefabricated bulkhead plate, finally pour between level contiguous prefabricated bulkhead plate Or the water-proof concrete of a high strength grade identical with prefabricated bulkhead plate.The vertical outside of adjacent upper and lower prefabricated bulkhead plate is concordant, its Connected mode is as follows: a, the inside and outside both sides of wall panels end, neighbouring prefabricated storehouse are all welded to connect with junction steel plate;Contiguous prefabricated The water-proof concrete of identical with prefabricated bulkhead plate or high strongest grade is poured with junction steel plate in the cavity that bulkhead plate surrounds; Horizontal joint inside b, neighbouring prefabricated bulkhead plate directly uses butt welding connect and/or be welded to connect with junction steel plate;c、 When prefabricated bulkhead plate lower end is provided with, male is trapezoidal or semiellipse type plug, and upper end is provided with that female is trapezoidal or during semiellipse type slot, The male of every piece of prefabricated bulkhead plate lower end is trapezoidal or semiellipse type plug insert the female of contiguous prefabricated bulkhead plate upper end trapezoidal or In semiellipse type slot, the horizontal joint inside neighbouring prefabricated bulkhead plate directly uses butt welding to connect and/or with connecting steel Plate is welded to connect.By above-mentioned construction method, the excavation soil body and the prefabricated bulkhead plate of installation the most successively, every layer of bulkhead plate is formed Cylinder warehouse structure can be as foundation pit supporting system, so, well silo warehouse structure and foundation pit supporting system are closed two It is one, has not only saved and individually carried out the cost that pattern foundation pit supporting structure is brought, be substantially reduced construction investment, and substantially reduce whole The construction period of individual engineering.
Embodiment six
As depicted in figs. 1 and 2: present embodiments provide the prefabricated assembled circular underground granary of a kind of encased steel plate.Including At the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, and periphery has connection Device, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Bulkhead is entered by described multiple function 1 Row location.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead plate, inside second segment inside the first paragraph of the superiors It is provided with second layer bulkhead plate, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, forms circular assembled underground Barn structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into overall structure, outside plate 9 Use holdfast to be connected with inner side concrete, and be all surrounded by U-shaped steel plate in left and right end.
Described bulkhead plate 3 outer surface spraying mask coating, described mask coating includes that the material of following weight portion is made: stone Oil asphalt 115 parts, glass fibre 7 parts, bentonite 8 parts, emulsifying agent 6 parts, dispersant 1.5 parts, stabilizer 1.5 parts, Organic fluoride changes Property styrene-acrylic emulsion 25 parts, antifreeze 2.5 parts.
Described emulsifying agent uses hydrogenated tallow amine, and described dispersant uses glycerol monostearate, and described stabilizer uses Sulfate, described antifreeze uses ethylene glycol.
Embodiment seven
As depicted in figs. 1 and 2: present embodiments provide the prefabricated assembled circular underground granary of a kind of encased steel plate.Including At the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, and periphery has connection Device, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Described multiple function 1 is to bulkhead Position.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead plate, in second segment inside the first paragraph of the superiors Side is provided with second layer bulkhead plate, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, forms circular assembled ground Lower barn structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into overall structure, outside steel Plate 9 uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
Described bulkhead plate 5 outer surface spraying mask coating, described mask coating includes that the material of following weight portion is made: stone Oil asphalt 110 parts, glass fibre 10 parts, bentonite 9 parts, emulsifying agent 7.5 parts, dispersant 2 parts, stabilizer 2 parts, Organic fluoride is modified Styrene-acrylic emulsion 30 parts, antifreeze 3 parts.
Described emulsifying agent uses hydrogenated tallow amine, and described dispersant uses glycerol monostearate, and described stabilizer uses Sulfate, described antifreeze uses ethylene glycol.
Embodiment eight
As depicted in figs. 1 and 2: present embodiments provide the prefabricated assembled circular underground granary of a kind of encased steel plate.Including At the bottom of storehouse 4, polylith prefabricated bulkhead plate 2, top, storehouse 3, multiple function 1, described bulkhead plate 2 is arc prefabricated chunk, and periphery has connection Device, can be attached with adjacent bulkhead plate, multiple function 5 by attachment means bulkhead plate;Bulkhead is entered by described multiple function 1 Row location.Multiple function is divided into several sections from top to bottom, is provided with ground floor bulkhead plate, inside second segment inside the first paragraph of the superiors It is provided with second layer bulkhead plate, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, forms circular assembled underground Barn structure;Described prefabricated bulkhead plate 2 is that the concrete slab of outside plate 9 and inner side is combined into overall structure, outside plate 9 Use holdfast to be connected with inner side concrete, and be all surrounded by U-shaped steel plate in left and right end.
Described bulkhead plate 5 outer surface spraying mask coating, described mask coating includes that the material of following weight portion is made: stone Oil asphalt 105 parts, glass fibre 13 parts, bentonite 10 parts, emulsifying agent 9 parts, dispersant 2.5 parts, stabilizer 2.5 parts, Organic fluoride Modifying cinepazid emulsion 35 parts, antifreeze 3.5 parts.
Described emulsifying agent uses hydrogenated tallow amine, and described dispersant uses glycerol monostearate, and described stabilizer uses Sulfate, described antifreeze uses ethylene glycol.
Embodiment six to eight provides bulkhead plate outer surface special mask coating, and bulkhead plate plays protection, antiseptical work With, bulkhead is played the effect of antiseepage, sealing, spraying when can spray when bulkhead plate is prefabricated or assemble bulkhead at the scene, from The technical barriers such as the junction seepage fundamentally solving corner, gap, irregular structure, enhance the water proofing property of underground granary Energy.Mask coating adds glass fibre, considerably increases toughness and the tensile strength of coating, delayed coating cracking Time, increase its service life, and bulkhead is also had to certain supporting role.The antifreezing agent added can reduce low temperature pair The damage of mask coating, it is ensured that the safe operation of cold district underground granary in winter.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, and this area is common Other amendment or equivalents that technical scheme is made by technical staff, without departing from technical solution of the present invention Spirit and scope, all should contain in the middle of scope of the presently claimed invention.

Claims (10)

1. a prefabricated assembled underground granary, the flat shape of this underground granary is circular, prefabricated including (4) at the bottom of storehouse, polylith Bulkhead plate (2), Cang Ding (3), multiple function (1), described bulkhead plate (2) is arc prefabricated chunk, and periphery has attachment means, logical Cross attachment means bulkhead plate to be attached with adjacent bulkhead plate, multiple function (5);Bulkhead is carried out by described multiple function (1) Location, it anchors into the degree of depth in soil and is more than (4) degree of depth at the bottom of storehouse, is subject to mainly being subject to of soil pressure, pressure and opposing buoyancy Power component;It is characterized in that: multiple function is divided into several sections from top to bottom, inside the first paragraph of the superiors, be provided with ground floor bulkhead Plate, is provided with second layer bulkhead plate inside second segment, with above-mentioned similar set-up mode, until bottom one layer of bulkhead plate, formed Circular assembled underground granary structure;Described prefabricated bulkhead plate (2) is that the concrete slab of outside plate (9) and inner side is combined into whole The structure of body, outside plate (9) uses holdfast to be connected with inner side concrete, and is all surrounded by U-shaped steel plate in left and right end.
2. underground granary as claimed in claim 1, it is characterised in that: described prefabricated bulkhead plate multiple function (1) uses steel Post or be provided with the concrete column of steel embedded part.
3. underground granary as claimed in claim 1, it is characterised in that: described prefabricated bulkhead plate (2) hoop level is concordant, outside it Side is welded to connect with multiple function (1), and left and right contiguous prefabricated bulkhead plate (2) inner side junction steel plate (5) is welded;At multiple function (1), pour in the cavity (8) that contiguous prefabricated bulkhead plate (2) and junction steel plate (5) surround identical with prefabricated bulkhead plate (2) or The water-proof concrete of high strongest grade.
4. underground granary as claimed in claim 1, it is characterised in that: in described prefabricated bulkhead plate (2) top, there is a U below Type or L-type cornerite.
5. underground granary as claimed in claim 4, it is characterised in that: the vertical outside of prefabricated bulkhead plate (2) is concordant, neighbouring Inside and outside both sides, prefabricated bulkhead plate (2) end are all welded to connect with junction steel plate (5);In contiguous prefabricated bulkhead plate (2) and connection The water-proof concrete of identical with prefabricated bulkhead plate (3) or high strongest grade is poured in the cavity (10) that steel plate (5) surrounds.
6. underground granary as claimed in claim 4, it is characterised in that: the vertical outside of described prefabricated bulkhead plate (2) is concordant, up and down The horizontal joint of contiguous prefabricated bulkhead plate (2) inner side directly uses butt welding connect and/or be welded to connect with junction steel plate.
7. underground granary as claimed in claim 1, it is characterised in that: it is trapezoidal that described prefabricated bulkhead plate (2) lower end is provided with male Or semiellipse type plug, upper end is provided with that female is trapezoidal or semiellipse type slot.
8. underground granary as claimed in claim 7, it is characterised in that: the vertical outside of described prefabricated bulkhead plate (2) is concordant, every piece Trapezoidal or contiguous prefabricated bulkhead plate (2) upper end of semiellipse type plug insertion the female of the male of prefabricated bulkhead plate (2) lower end is trapezoidal Or in semiellipse type slot;The horizontal joint of neighbouring prefabricated bulkhead plate (2) inner side directly uses butt welding to connect and/or with even Connect Plate Welding to connect.
9. underground granary as claimed in claim 1, it is characterised in that: (4) at the bottom of storehouse use two-sided steel plate concrete combinative structure, On base plate, lower steel plate and the concrete between it use holdfast to be connected.
10. the construction method of the underground granary building the claims 1-9, it is characterised in that: described construction method bag Include following steps:
(1) according to designing the certain depth that requires to be driven underground by multiple function (1) in precalculated position;
(2) in multiple function (1) surrounds region, excavate ground floor soil;
(3) after excavating ground floor soil, in multiple function (1) inner side, ground floor prefabricated bulkhead plate (2) is installed;
(4), after installing ground floor prefabricated bulkhead plate (2), continue down to excavate second layer soil;
(5) in multiple function (1) inner side, the second layer prefabricated bulkhead plate (2) is installed;
(6) according to the construction method of above-mentioned (4th)-(5) step, prefabricated bulkhead plate (2) is installed downwards successively, until position at the bottom of storehouse;
(7) (4) construction at the bottom of storehouse is carried out;
(8) finally carry out Cang Ding construction, i.e. complete the overall structure of underground granary.
CN201610525954.3A 2016-06-29 2016-06-29 A kind of prefabricated assembled round underground granary of encased steel plate Active CN106193746B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610525954.3A CN106193746B (en) 2016-06-29 2016-06-29 A kind of prefabricated assembled round underground granary of encased steel plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610525954.3A CN106193746B (en) 2016-06-29 2016-06-29 A kind of prefabricated assembled round underground granary of encased steel plate

Publications (2)

Publication Number Publication Date
CN106193746A true CN106193746A (en) 2016-12-07
CN106193746B CN106193746B (en) 2018-09-28

Family

ID=57465969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610525954.3A Active CN106193746B (en) 2016-06-29 2016-06-29 A kind of prefabricated assembled round underground granary of encased steel plate

Country Status (1)

Country Link
CN (1) CN106193746B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718669A (en) * 1993-06-17 1995-01-20 Kajima Corp Earth retaining wall with underground continuous wall
CN2443095Y (en) * 2000-08-24 2001-08-15 刘廷瑜 Prefabricated section assembled barn
CN201605860U (en) * 2009-07-15 2010-10-13 广东省电力设计研究院 Novel coal retaining wall structure for circular coal storage structure
CN202072170U (en) * 2011-01-23 2011-12-14 湖南省无机色釉料工程技术研究中心有限公司 Assembly type enamel steel plate grain bin
CN105178357A (en) * 2015-07-16 2015-12-23 中国建筑股份有限公司 Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition
CN206189971U (en) * 2016-06-29 2017-05-24 河南工业大学 Circular underground granary of prefabricated assembled of outer steel plated

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718669A (en) * 1993-06-17 1995-01-20 Kajima Corp Earth retaining wall with underground continuous wall
CN2443095Y (en) * 2000-08-24 2001-08-15 刘廷瑜 Prefabricated section assembled barn
CN201605860U (en) * 2009-07-15 2010-10-13 广东省电力设计研究院 Novel coal retaining wall structure for circular coal storage structure
CN202072170U (en) * 2011-01-23 2011-12-14 湖南省无机色釉料工程技术研究中心有限公司 Assembly type enamel steel plate grain bin
CN105178357A (en) * 2015-07-16 2015-12-23 中国建筑股份有限公司 Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition
CN206189971U (en) * 2016-06-29 2017-05-24 河南工业大学 Circular underground granary of prefabricated assembled of outer steel plated

Also Published As

Publication number Publication date
CN106193746B (en) 2018-09-28

Similar Documents

Publication Publication Date Title
CN206034482U (en) Circular prefabricated assembled underground granary of interior steel plated
CN206189970U (en) Circular prefabricated assembled underground granary of inside and outside equal steel plated
CN206189964U (en) Circular underground granary of prefabricated assembled of steel plated in slot -in type
CN206189414U (en) Circular underground granary of slot -in type prefabricated bulkhead of outer steel plated
CN206189971U (en) Circular underground granary of prefabricated assembled of outer steel plated
CN206035045U (en) Prefabricated assembled underground granary of endocyst plastics
CN106013909B (en) A kind of outsourcing Plastic preform assembled underground granary
CN206189966U (en) Circular underground granary of slot -in type prefabricated assembled of inside and outside equal steel plated
CN206053490U (en) A kind of stepped prefabricated assembled rectangular underground granary of interior encased steel plate
CN206189967U (en) Circular underground granary of prefabricated assembled of inside and outside equal steel plated echelonment
CN106013915B (en) A kind of circular prefabricated assembled underground granary of interior steel plated
CN106013913B (en) The prefabricated assembled circular underground granary of steel plated in a kind of insertion slot type
CN106088763B (en) A kind of stepped prefabricated assembled circular underground granary of interior steel plated
CN106193744B (en) The round prefabricated assembled underground granary of equal steel plated inside and outside one kind
CN106193746B (en) A kind of prefabricated assembled round underground granary of encased steel plate
CN106088759B (en) The equal stepped prefabricated assembled circular underground granary of steel plated inside and outside one kind
CN106088762B (en) A kind of prefabricated assembled round underground granary of insertion slot type encased steel plate
CN106088764B (en) A kind of stepped prefabricated assembled circular underground granary of encased steel plate
CN106088760B (en) The equal prefabricated assembled round underground granary of steel plated inside and outside a kind of insertion slot type
CN106088758B (en) A kind of bilayer assembled underground granary
CN106013912B (en) The plastic prefabricated assembled underground granary of material in one kind
CN106013910B (en) A kind of stepped prefabricated assembled rectangular underground granary of encased steel plate
CN106049948B (en) Bag Plastic preform bulkhead underground granary in a kind of insertion slot type
CN106013911B (en) A kind of interior steel plated assembled circle underground granary with premoulded filler strip
CN105971354B (en) The plastic prefabricated assembled underground granary of material inside and outside one kind

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190722

Address after: 450000 Science Avenue 65, Zhengzhou Hi-tech Industrial Development Zone, Henan Province, No. 8405, 4 storeys

Patentee after: Zhengzhou Ditian Grain Tank Factory Technology Co., Ltd.

Address before: 450001 Zhengzhou high tech Industrial Development Zone, Henan Lotus Street, No. 100

Patentee before: Henan Industry University

TR01 Transfer of patent right