CN107654010B - Round bamboo space three-hinged arch structure unit and round bamboo space three-hinged arch structure system - Google Patents
Round bamboo space three-hinged arch structure unit and round bamboo space three-hinged arch structure system Download PDFInfo
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- CN107654010B CN107654010B CN201711000992.8A CN201711000992A CN107654010B CN 107654010 B CN107654010 B CN 107654010B CN 201711000992 A CN201711000992 A CN 201711000992A CN 107654010 B CN107654010 B CN 107654010B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The circular bamboo space three-hinged arch structure unit comprises a fixing device, a first space unit and a second space unit which are formed by a vertical supporting structure and a roof bearing structure, wherein the top ends of the first space unit and the second space unit are mutually hinged, the bottom ends of the first space unit and the second space unit are respectively hinged with the fixing device to form a space three-hinged arch unit, and the circular bamboo space three-hinged arch structure system comprises the circular bamboo space three-hinged arch structure unit. A certain distance is reserved between two adjacent circular bamboo space three-hinged arch structural units, and a connecting device for connecting the two adjacent circular bamboo space three-hinged arch structural units into a whole is arranged between the circular bamboo space three-hinged arch structural units. The single rod piece of the structural system has small section bending moment, the rod piece mainly bears axial force, and the round bamboo rod piece has poor bending property and good axial force, so the structural system is very suitable for round bamboo structures.
Description
Technical Field
The invention belongs to building structures, and particularly relates to a circular bamboo space three-hinged arch structure unit and a circular bamboo space three-hinged arch structure system.
Background
The truss roof truss is a plane structure which is composed of straight rods and is generally provided with triangular units, and truss rod pieces are mainly subjected to axial tension or compression, so that the strength of materials can be fully utilized, and the truss roof truss is widely applied to life and industry. However, due to the arrangement of the lower chord member, the triangular space occupied by the truss type roof truss cannot pass, and the effective passing and using height of the building is the height from the lower chord member to the ground, so that the passing height of the building is greatly influenced.
The circular bamboo structural building of 'Dezhong He' of the Shanghai world Expo in 2010 is provided with circular bamboo structural columns in an inclined mode, and the circular bamboo structural columns meet at one point on the roof cornice and the ground, a passage channel entering the building is an included angle space between the circular bamboo structural columns, an effective passage channel for people is small, rapid evacuation of people flow cannot be achieved, in order to increase the passage channel entering the building, included angles between the circular bamboo structural columns can be increased, or the height of a heightened building can be increased, but the increase in the length of the circular bamboo structural columns is brought, the structural stability is poor, and therefore the circular bamboo structural building is not suitable for the building with large people flow. The structure utilizes the steel member to bear roof load, the steel member transmits the roof load to the connecting node of the round bamboo in the form of node load, and the round bamboo cross rod of the roof only plays a role in connection and does not bear the vertical load of the roof, so that the structure is waste. The connecting members between the structural units of the roof have only rods in the transverse direction and the longitudinal direction, no triangle is formed, and the overall stability of the roof is poor.
Disclosure of Invention
The invention aims to solve the problems, and provides a circular bamboo space three-hinged arch structure unit and a circular bamboo space three-hinged arch structure system.
The technical scheme adopted by the invention is as follows:
the invention provides a circular bamboo space three-hinged arch structure unit which comprises a fixing device, a space unit I and a space unit II, wherein the space unit I and the space unit II are formed by a vertical supporting structure and a roof bearing structure together, the top ends of the space unit I and the space unit II are mutually hinged, and the bottom ends of the space unit I and the space unit II are respectively hinged with the fixing device to form the circular bamboo space three-hinged arch unit.
The vertical supporting structure is adopted to bear the force transmitted by the roof bearing structure, the wall surface is not stressed, the requirements of various aspects such as beautiful appearance, economy and the like can be more considered in the selection of wall surface materials, and the selection range is wider; compared with a beam structure system, the arch structure system has the advantages that the section bending moment of a single rod piece of the arch structure system is small, the rod piece mainly bears axial force, the round bamboo rod piece is poor in bending performance and good in axial force, and therefore the arch structure system is more suitable for a round bamboo structure; the space three-hinged arch body unit has better left and right thrust resistance and better stability than the plane three-hinged arch unit, and the space three-hinged arch structure system can splice more round bamboo space three-hinged arch structure units in the left and right directions, thereby meeting the use requirement of a building with a large area.
Still further, the vertical supporting structure comprises a first upright post, a second upright post and a third upright post, one end of the first upright post, one end of the second upright post and one end of the third upright post are hinged to the fixing device, the other end of the second upright post are hinged to the roof bearing structure, the first upright post is inclined to the right by 0-45 degrees, the second upright post is inclined to the left by 0-45 degrees, the first upright post and the second upright post are inclined to the outside by 0-60 degrees, and the third upright post is inclined to the inside by 0-45 degrees.
The first upright post is inclined to the right by 0-45 degrees, the second upright post is inclined to the left by 0-45 degrees, the first upright post and the second upright post form a triangle, the structure is more stable, and the deformation is less easy; the first upright post and the second upright post incline outwards by 0-60 degrees, so that the horizontal force can be transmitted to the fixing device and offset a part of the horizontal force, and compared with the vertical arrangement, the number of the rod pieces and the fixing device for connecting the first upright post and the second upright post is reduced.
Still further, the third upright post comprises a left third upright post and a right third upright post, the left third upright post and the right third upright post are hinged through a short connecting beam, the left third upright post is inclined leftwards by 0-45 degrees, and the right third upright post is inclined rightwards by 0-45 degrees.
The combined upright post formed by the left upright post III and the right upright post III can be used for replacing the integral upright post, so that the materials can be conveniently selected, and the stress requirement on a single material is reduced.
Still further, the roof bearing structure comprises an upper chord member, a tie rod I, a plane diagonal brace I, a web member II and a lower chord member, wherein the upper chord member comprises the upper chord member I and the upper chord member II, the tie rod II is arranged at the hinge joint of the space unit I and the space unit II, one end of the upper chord member I, one end of the upper chord member II and one end of the web member II are hinged with the tie rod II, the tie rod I is hinged with the upper chord member I, the upper chord member II, one end of the web member I and one end of the web member II, the other end of the upright post I, the other end of the lower chord member I, the other end of the web member II and the other end of the upright post III are hinged with each other, the upper chord member I, the upper chord member II, the tie rod I and the tie rod II enclose a parallelogram, the plane diagonal joint of the upper chord member and the horizontal plane diagonal are in an angle of 0-60 degrees.
The plane diagonal bracing is connected with two diagonal points of the parallelogram to form a triangle, so that the whole roof bearing structure is more stable; the first web member, the second web member and the lower chord member tie the roof bearing structure and the vertical bearing structure together, so that the downwarping deformation of the roof bearing structure can be prevented; the included angle between the upper chord member and the horizontal plane is 0-60 degrees, namely, the included angle between the roof bearing structure and the horizontal plane is 0-60 degrees. Roofing maintenance system can be arranged on the roofing bearing structure to form a building space.
Further, the distance from the first upper chord to the end of the first and second tie bars away from the first upper chord is not more than half the length of the first or second tie bars, the distance from the second upper chord to the end of the first and second tie bars away from the first upper chord is not more than half the length of the first or second tie bars, and the distance from the first upper chord to the end of the first and second upper chords away from the second upper chord is not more than one third of the length of the first or second upper chords.
If the distance from the first upper chord to one end of the second upper chord to the second upper chord is greater than one third of the length of the first upper chord or the second upper chord when the upper chord exceeds the first tie bar to form an eave, the end of the upper chord, which is close to the second tie bar, tends to warp upwards, so that the stress at the joint between the second tie bar and the upper chord is increased, and the deflection of the first upper chord and the second upper chord on one side of the eave is increased; similarly, the distance from the upper chord to the end of the first and second tie bars away from the chord is no greater than half the length of either the first or second tie bars, and the distance from the upper chord to the end of the first and second tie bars away from the chord is no greater than half the length of either the first or second tie bars.
Further, two ends of the tie rod II are respectively hinged with one ends of the upper chord member I and the upper chord member II, and two ends of the tie rod I are respectively hinged with the other ends of the upper chord member I and the upper chord member II.
Further, the first space unit and the second space unit are arranged in a mirror symmetry mode.
The invention also provides a circular bamboo space three-hinged arch structure system which comprises the circular bamboo space three-hinged arch structure units and is characterized in that a certain distance is reserved between two adjacent circular bamboo space three-hinged arch structure units, and a connecting device for connecting the two adjacent circular bamboo space three-hinged arch structure units into a whole is arranged between the circular bamboo space three-hinged arch structure units.
The three-hinged arch structural units of the two adjacent circular bamboo spaces are separated by a certain distance, the usable clear height at the separation position is the clear height between the fifth tie bar and the bottom surface, and the three-hinged arch structural units can be used as an entrance channel and a multi-purpose use space, and compared with the included angle space between circular bamboo structural columns in the passage channel of the 'Dezhong' and the 'Duzhong' entering the building, the effective utilization rate of the building space is improved; the three-hinged arch system can provide larger entrance and exit space compared with a planar three-hinged arch system; the distance between two adjacent circular bamboo space three-hinged arch structural units can be comprehensively considered according to factors such as stress conditions of the circular bamboo space three-hinged arch structural units, door opening size requirements and the like.
Further, the connecting device comprises a tie bar five, a tie bar six and a plane diagonal brace two, wherein two ends of the tie bar five are respectively hinged with nodes connected with the vertical supporting structures of the adjacent two-circle bamboo space three-hinge arch structural units and the roof bearing structures, two ends of the tie bar six are respectively hinged with nodes connected with the space unit I and the space unit II of the adjacent two-circle bamboo space three-hinge arch structural units, and the plane diagonal brace two is hinged with diagonal points of the tie bar five and the tie bar six.
The tie bar five, the tie bar six and the plane diagonal brace two connect two adjacent round bamboo space three-hinged arch structural units and form a whole, so that the structural system can be continuously expanded in the left-right direction, thereby meeting the use requirement of a building with a large area.
Still further, connecting device still includes member seven, and member seven's one end articulates and connects in the node that vertical supporting structure and roofing bearing structure are connected, and member seven's the other end articulates and connects in the node that vertical supporting structure and fixing device are connected.
When an entrance channel is not needed to be arranged between two adjacent circular bamboo space three-hinged arch structural units, a rod piece seven is symmetrically arranged near the longitudinal end; when the number of the structural units of the circular bamboo space three-hinged arch structural system is larger in the longitudinal combination number, each certain structural unit is arranged at intervals, and the arrangement of the rod pieces seven is more beneficial to connecting two adjacent circular bamboo space three-hinged arch structural units and forming a whole.
In summary, the beneficial effects of the invention are as follows:
1. the single rod piece of the structural system has small section bending moment, the rod piece mainly bears axial force, and the round bamboo rod piece has poor bending property and good axial force, so the structural system is very suitable for round bamboo structures;
2. the space between the two adjacent circular bamboo space three-hinged arch structural units is a certain distance, the usable clear height at the space is the clear height between the tie bar five and the bottom surface, and the space can be used as an entrance channel and a multi-purpose space, and compared with the space in which the passage channel of the 'dezhong same-row' enters the building is the included angle space between the circular bamboo structural columns, the effective utilization rate of the building space is improved;
3. compared with truss type roof truss, the invention can utilize the triangle space occupied by truss type roof truss more greatly, and increase the height of the utilized space;
4. the round bamboo pole pieces are all hinged, so that the problem that the round bamboo pole pieces are difficult to rigidly connect is solved;
5. the invention uses the straight rod piece, does not need to carry out bending processing on the rod piece, can take natural round bamboo as a material by proper processing, takes local materials in a bamboo production area, reduces the energy consumption and the use of resources caused by transportation, has light dead weight, can reduce or even avoid the use of heavy mechanical equipment in construction, reduces the intervention and the damage of the construction process to the natural environment, is convenient for installation and operation, saves social resources and labor cost, and can degrade bamboo after the service life of the round bamboo building is expired to dismantle the round bamboo building, thereby reducing the pollution to the environment;
6. all round bamboo rod pieces can be classified at processing sites according to the cross section sizes of different specifications, rod pieces with accurate lengths are processed, and a standardized hinging member is adopted, so that an assembled round bamboo structure system can be realized, and the round bamboo rod piece is convenient to construct and install rapidly and accurately;
7. the invention does not need to bear the weight of the wall body, the wall body can be selected according to beautiful appearance and economy and flexibility, and the wall body can be freely arranged according to the requirement without the limitation of stress.
Drawings
FIG. 1 is a schematic view of a circular bamboo space three-hinged arch structural unit;
FIG. 2 is a schematic view of a circular bamboo space three-hinged arch structure system;
FIG. 3 is a schematic diagram of a front view of a circular bamboo space three-hinged arch structural system;
FIG. 4 is a schematic view of a circular bamboo space three-hinged arch structural system roof diagram;
fig. 5 is a schematic diagram of a side view of a circular bamboo space three-hinged arch structural system.
The marks in the figure: 100-round bamboo space three-hinged arch structural unit, 1-fixing device, 2-upright I, 3-upright II, 4-tie bar I, 5-upper chord, 5001-upper chord I, 5002-upper chord II, 6-plane diagonal brace I, 7-tie II, 8-web member I, 9-web member II, 10-upright III, 1001-left upright III, 1002-right upright III, 11-short connecting beam, 12-lower chord, 12001-lower chord I, 12002-lower chord II, 15-space unit I, 16-space unit II, 50-tie bar five, 51-tie bar six, 52-plane diagonal brace II, 53-rod seven.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
A circular bamboo space three-hinged arch structure unit comprises a fixing device 1, a space unit I and a space unit II which are formed by a vertical supporting structure and a roof bearing structure together, wherein the top ends of the space unit I and the space unit II are mutually hinged, and the bottom ends of the space unit I and the space unit II are respectively hinged with the fixing device 1 to form a space three-hinged arch unit. The fixing device 1 is a reinforced concrete foundation, the vertical supporting structure comprises a first upright post 2, a second upright post 3 and a third upright post 10, the first upright post 2 is inclined to the right by 0-45 degrees, the second upright post 3 is inclined to the left by 0-45 degrees, the first upright post and the second upright post are inclined to the outside by 0-60 degrees, the third upright post 10 is inclined to the inside by 0-45 degrees, the third upright post 10 comprises a left upright post 1001 and a right upright post 1002, the left upright post 1001 and the right upright post 1002 are hinged through a short connecting beam 11, the left upright post 1001 is inclined to the left by 0-45 degrees, and the right upright post 1002 is inclined to the right by 0-45 degrees; the space unit I15 and the space unit II 16 are arranged in a mirror symmetry mode, the space unit I15 and the space unit II 16 are hinged, the roof bearing structure comprises an upper chord 5, a tie bar I4, a plane diagonal brace I6, a web member I8, a web member II 9 and a lower chord 12, a tie bar II 7 is arranged at the hinge joint of the space unit I15 and the space unit II 16, the upper chord 5 comprises an upper chord I5001 and an upper chord II 5002, the included angle between the upper chord 5 and the horizontal plane is 0-60 degrees, and the lower chord 12 comprises a lower chord I12001 and a lower chord II 12002; one end of each of the first upright 2, the second upright 3, the third left upright 1001 and the third right upright 1002 is hinged to the fixing device 1, the other end of the first upright 2, one end of the first tie rod 4, one end of the first web member 8 and one end of the first upper chord 5001 are hinged in pairs, the other end of the second upright 3, the other end of the first tie rod 4, one end of the second web member 9, one end of the first planar diagonal member 6 and one end of the second upper chord 5002 are hinged in pairs, the other end of the third left upright 1001, the other end of the second web member 9 and one end of the second lower chord 12002 are hinged in pairs, the other end of the third right upright 1002, the other end of the first web member 8 and one end of the first lower chord 12001 are hinged in pairs, one end of the second tie rod 7, the other end of the first planar diagonal member 6, the other end of the first lower chord 12001 and the other end of the first upper chord 5001 are hinged in pairs, and the other end of the second tie rod 7, the other end of the second lower chord 12002 and the upper chord 5002 are hinged in pairs.
The first and second top chords 5001 and 5002 may form an eave beyond the first tie bar 4, and the first and second tie bars 4 and 7 may also form a gable eave beyond the first or second top chords 5001 and 5002.
Space unit one 15 and space unit two 16 may be structurally identical and each component may be of non-identical dimensions.
The circular bamboo space three-hinged arch structure system comprises circular bamboo space three-hinged arch structure units 100, a certain distance is reserved between two adjacent circular bamboo space three-hinged arch structure units 100, a connecting device is arranged between the circular bamboo space three-hinged arch structure units 100, the connecting device comprises a tie bar five 50, a tie bar six 51 and a plane diagonal brace two 52, two ends of the tie bar five 50 are respectively hinged to nodes of vertical supporting structures and roof bearing structures of the adjacent two circular bamboo space three-hinged arch structure units, two ends of the tie bar six 51 are respectively hinged to nodes of space units one 15 and space units two 16 of the adjacent two circular bamboo space three-hinged arch structure units, and the plane diagonal brace two 52 is hinged to diagonal points of the tie bar five 50 and the tie bar six 51; when an entrance channel is not needed between two adjacent circular bamboo space three-hinged arch structural units, a rod piece seven 53 is symmetrically arranged near the longitudinal end, one end of the rod piece seven 53 is hinged to a node where the vertical supporting structure is connected with the roof bearing structure, and the other end of the rod piece seven 53 is hinged to a node where the vertical supporting structure is connected with the fixing device.
The round bamboo can be partially or completely replaced by glued bamboo, recombined bamboo, bamboo skin laminated timber, steel pipe or timber.
The "articulation" of the present invention may also be replaced with semi-rigid or rigid joints.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The circular bamboo space three-hinged arch structure system is characterized by comprising circular bamboo space three-hinged arch structure units (100), wherein a certain distance is reserved between every two adjacent circular bamboo space three-hinged arch structure units (100), a connecting device for connecting every two adjacent circular bamboo space three-hinged arch structure units (100) into a whole is arranged between every two adjacent circular bamboo space three-hinged arch structure units (100), the connecting device comprises a tie bar five (50), a tie bar six (51) and a plane diagonal brace two (52), two ends of the tie bar five (50) are respectively hinged to a node for connecting a vertical supporting structure and a roof bearing structure of every two adjacent circular bamboo space three-hinged arch structure units, two ends of the tie bar six (51) are respectively hinged to a node for connecting a space unit one (15) and a space unit two (16) of every two adjacent circular bamboo space three-hinged arch structure units, the plane diagonal brace two (52) are hinged to diagonal points of the tie bar five (50) and the tie bar six (51), and the net height between the using net height of the space tie bar five (50) and the bottom surface is the net height;
the circular bamboo space three-hinged arch structure unit (100) comprises a fixing device (1), a first space unit and a second space unit which are formed by a vertical supporting structure and a roof bearing structure, wherein the top ends of the first space unit and the second space unit are mutually hinged, and the bottom ends of the first space unit and the second space unit are respectively hinged with the fixing device (1) to form the circular bamboo space three-hinged arch structure unit (100).
2. The circular bamboo space three-hinged arch structure system according to claim 1, wherein the vertical supporting structure comprises a first upright post (2), a second upright post (3) and a third upright post (10), one end of the first upright post (2), one end of the second upright post (3) and one end of the third upright post (10) are hinged to the fixing device (1), the other end of the second upright post is hinged to the roof bearing structure, the first upright post (2) is inclined to the right by 0-45 degrees, the second upright post (3) is inclined to the left by 0-45 degrees, the first upright post (2) and the second upright post (3) are inclined outwards by 0-60 degrees, and the third upright post (10) is inclined inwards by 0-45 degrees.
3. The circular bamboo space three-hinged arch structure system according to claim 2, wherein the third upright post (10) comprises a left third upright post (1001) and a right third upright post (1002), the left third upright post (1001) and the right third upright post (1002) are hinged through a short connecting beam (11), the left third upright post (1001) is inclined leftwards by 0-45 degrees, and the right third upright post (1002) is inclined rightwards by 0-45 degrees.
4. The circular bamboo space three-hinged arch structure system according to claim 2, wherein the roof bearing structure comprises an upper chord member (5), a first tie rod (4), a plane diagonal brace (6), a first web member (8), a second web member (9) and a lower chord member (12), the upper chord member (5) comprises the upper chord member (5001) and the upper chord member (5002), the second tie rod (7) is arranged at the joint of the space unit (15) and the space unit (16), one end of the upper chord member (5001), one end of the upper chord member (5002) and one end of the lower chord member (12) are hinged with the second tie rod (7), the first tie rod (4) is hinged with the upper chord member (5001), the upper chord member (5002), one end of the web member (8) and one end of the web member (9), the other end of the upright post (3), the other end of the upright post (2), the other end of the lower chord member (12), the other end of the web member (8) and the other end of the web member (9) are hinged with the upper chord member (10), the diagonal brace (6), the two end of the diagonal brace (5) are hinged with the upper chord member (6), and the diagonal member (5) are formed at two horizontal planes.
5. A round bamboo space three-hinged arch structure system according to claim 4, wherein the distance from the first upper chord (5001) to the end of the first upper chord (4) and the second upper chord (7) away from the second upper chord (5002) is no more than half the length of the first upper chord (4) or the second upper chord (7), the distance from the second upper chord (5002) to the end of the first upper chord (4) and the second upper chord (7) away from the first upper chord (5001) is no more than half the length of the first upper chord (4) or the second upper chord (5002), and the distance from the first upper chord (4) to the end of the first upper chord (5001) and the second upper chord (5002) is no more than one third the length of the first upper chord (5001) or the second upper chord (5002).
6. A circular bamboo space three-hinged arch structure system according to claim 4, wherein two ends of the second tie rod (7) are respectively hinged with one end of the first upper chord member (5001) and one end of the second upper chord member (5002), and two ends of the first tie rod (4) are respectively hinged with the other ends of the first upper chord member (5001) and the second upper chord member (5002).
7. A round bamboo space three-hinge arch structure system according to claim 1, characterized in that the space unit one (15) and the space unit two (16) are arranged in mirror symmetry.
8. A round bamboo space three-hinge arch structure system according to claim 1, wherein the connecting means further comprises a rod seven (53), one end of the rod seven (53) is hinged to a node where the vertical support structure and the roof support structure are connected, and the other end of the rod seven (53) is hinged to a node where the vertical support structure and the fixing means are connected.
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| CN201711000992.8A CN107654010B (en) | 2017-10-24 | 2017-10-24 | Round bamboo space three-hinged arch structure unit and round bamboo space three-hinged arch structure system |
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| CN202347446U (en) * | 2011-12-06 | 2012-07-25 | 中铁四局集团第一工程有限公司 | Supporting structure for construction of zero block of reinforced concrete continuous beam |
| CN104372860A (en) * | 2014-10-31 | 2015-02-25 | 甘秀明 | Controllable horizontal loading combined supporting column |
| CN204645668U (en) * | 2015-02-10 | 2015-09-16 | 中建钢构有限公司 | The top support structure of shape steel support installed by a kind of rack |
| CN206205143U (en) * | 2016-11-24 | 2017-05-31 | 重庆工程职业技术学院 | Truss structure |
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