CN213925832U - Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column - Google Patents
Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column Download PDFInfo
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Abstract
Aiming at a circular single-column pier bridge, an original circular single-column pier is wrapped outside a composite reinforcing pier adopting a horn-shaped straight-line curved-surface column, the composite reinforcing pier is composed of a space cylinder net-shaped main rib, a welding hoop and pier body concrete, the space cylinder net-shaped main rib is divided into two linear steel bar groups which are arranged in a crossed mode, the plane projection of the space cylinder net-shaped main rib is a penny-shaped column double-center oval closed polygonal star-shaped grid which is circular inside and oval outside in a flat mode, the waist portion of the space cylinder net-shaped main rib is a circular welding hoop, and the top portion of the space cylinder net-shaped main rib is a flat oval welding hoop. The compound reinforcement pier of loudspeaker form straight line curved surface post, the curve appearance is beautiful, tiny waist circular cross section and original circular single-column pier phase-match, the driver field of vision is wide, the flat oval cross-section in top and the round end shape are consolidated the pier cap phase-match, the top of broad has guaranteed the enough distance between box girder bridge double support, the stability of antidumping is good, the tiny cross sectional dimension in column bottom need not newly-increased pile foundation, straight line curved surface post is consolidated the pier and has straight line framework of reinforcement construction convenience and cost advantage such as low.
Description
Technical Field
The utility model belongs to the bridge engineering field relates to a pier reinforced structure, specifically is a compound reinforced pier of circular single-column mound overcoat loudspeaker form straight line curved surface post.
Background
Along with the development of traffic volume, some outstanding problems of the single-column pier bridge gradually appear, and because the transverse support body of the pier is a single-pivot support, under the action of unbalance loading, the safety reserve of the whole anti-overturning stability of the bridge is insufficient, and when an overloaded vehicle passes through the unbalance loading, the potential safety hazard of the whole side overturning of the bridge exists.
At present, the single-column pier reinforcement method mainly comprises three methods: the single-column pier is changed into a circular end wall type pier, and the top of the single-column pier is changed into a three-column pier and the top of the single-column pier is provided with an expansion end. The single-column pier is changed into a circular end wall type pier method, the stress is reliable, the construction is convenient, but the structure is heavy, and a pile foundation needs to be additionally arranged. The single-column pier is changed into a three-column pier method, the dead weight is light, the structure is simple, but the reinforcement processing trace is obvious. The method for arranging the expanded end at the top of the single-column pier is economical due to the fact that the steel structure bracket structure is arranged at the top of the single-column pier, but construction is difficult.
Aiming at the demands of reinforcing single-column piers with wide and large area, a single-column pier reinforcing method which is reliable in stress, does not need to newly increase a pile foundation, and is attractive in appearance, convenient to construct and good in economical efficiency is urgently needed.
The single-leaf hyperboloid and the hyperbolic paraboloid are typical secondary ruled curved surfaces, the curved surfaces can be formed by two groups of straight lines, the secondary ruled curved surfaces have important application value in buildings, the secondary ruled curved surfaces are often used for forming frameworks of the buildings, and the buildings constructed by the ruled curved surfaces have excellent mechanical properties, and the buildings are beautiful in appearance and firm in structure.
Utilize the straight line characteristic of single-leaf hyperboloid, arrange into the space section of thick bamboo netted with the atress reinforcing bar, single-leaf hyperboloid loudspeaker form straight line curved surface post outsourcing consolidates the single-column mound, and the atress reinforcing bar is arranged to the straight line, and construction convenience is swift, adopts the oval stirrup of heliciform winding, can form firm steel reinforcement skeleton, and single-leaf hyperboloid pier has the top of broad, has guaranteed the enough distance between the box girder bridge double-support, is favorable to box girder bridge antidumping stability.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the not enough of existence among the prior art, the utility model provides a compound reinforcement pier of circular single-column mound overcoat loudspeaker form straight line curved surface post utilizes the straight line characteristic of single-leaf hyperboloid, and the atress reinforcing bar is arranged to the straight line, and circular single-column mound is consolidated to loudspeaker form straight line curved surface post overcoat, consolidates the top that the pier has the broad, has guaranteed the sufficient distance between the box girder bridge dual support, is favorable to box girder bridge antidumping stability.
The technical scheme is as follows: to circular single-column mound bridge, the utility model provides a compound reinforcement pier of circular single-column mound overcoat loudspeaker form straight line curved surface post, compound reinforcement mound including original circular single-column mound and loudspeaker form straight line curved surface post, its characteristic lies in: original circular independent column mound is located on pile foundation and basic cushion cap, the original circular independent column mound of composite reinforcement mound parcel of loudspeaker form straight line curved surface post, the finest department of the waist of the composite reinforcement mound of loudspeaker form straight line curved surface post is circular cross-section, the top of the composite reinforcement mound of loudspeaker form straight line curved surface post is the oval cross-section of platykurtic, the composite reinforcement mound of loudspeaker form straight line curved surface post is that the column section height that the finest department of waist is below is obviously less than the column section height that the finest department of waist is above, present the structural configuration of loudspeaker form, the composite reinforcement mound top of loudspeaker form straight line curved surface post sets up platykurtic circle end shape reinforcement mound cap, two support cushion support upper portion case roof beams about setting up on the platykurtic circle end shape reinforcement mound cap.
Preferably, the composite reinforcing pier of the trumpet-shaped straight-line curved-surface column consists of a space cylinder net-shaped main rib, a welding hoop and pier body concrete, the plane projection of the space cylinder net-shaped main rib is a penning-column double-center oval closed polygonal star-shaped grid with a circular inner part and a flat oval outer part, the space configuration of the space cylinder net-shaped main rib is a space flower basket shape formed according to the penning-column double-center oval closed polygonal star-shaped grid, the space cylinder net-shaped main rib is divided into two linear steel bar groups which are arranged in a crossed mode, the waist of the welding hoop is circular, and the top of the welding hoop is in a flat oval shape.
A construction method for composite reinforcing of a pier by sleeving a horn-shaped straight-line curved-surface column on a circular single-column pier is characterized by comprising the following steps:
the method comprises the following steps: according to the geometric dimensions of the circular single-column pier and the circular end-shaped reinforcing pier cap, determining the geometric dimensions of the circular section at the narrowest waist part and the flat elliptical section at the top part of the composite reinforcing pier of the horn-shaped straight-line curved-surface column to form a planar pense-row double-center elliptical closed polygonal star-shaped geometric figure;
step two: determining the height distance from the finest circular section of the waist of the composite reinforcing pier of the horn-shaped straight-line curved surface column to the bottom surface of the circular end-shaped reinforcing pier cap, and determining the height distance from the finest circular section of the waist of the composite reinforcing pier of the horn-shaped straight-line curved surface column to the top surface of the foundation bearing platform to form the three-dimensional geometric shape of the composite reinforcing pier of the horn-shaped straight-line curved surface column;
step three: arranging a spatial cylinder net-shaped main rib according to the geometrical shape of a spatial flower basket formed by penny-row double-center oval closed polygonal star-shaped grids, planting anchoring reinforcing steel bars on the top surface of a foundation bearing platform supported by a pile foundation to form a spatial cylinder net-shaped main rib framework, constructing a welding hoop on the periphery of the spatial cylinder net-shaped main rib framework, manufacturing a template, and pouring pier body concrete to form a composite reinforcing pier of a trumpet-shaped straight-line curved-surface column;
step four: binding reinforcing steel bars, installing a template, and pouring concrete to form a circular end-shaped reinforced pier cap;
step five: the jack supports upper portion case roof beam temporarily, underpins two support cushion blocks about the installation, accomplishes the reinforcement engineering project of single-column mound bridge, improves the whole stability against overturning of single-column mound bridge.
The single-leaf hyperboloid is a narrow classic secondary straight-line curved surface, and is mainly characterized in that a straight generatrix and a waist ellipse are tangent all the time, the cross sections of the single-leaf hyperboloid column at different elevations are a series of concentric ellipses with the same eccentricity, and the single-leaf hyperboloid structural column has limitations and cannot be constructed into a generalized straight-line curved surface column structure with flat elliptic sections at two ends and a circular section in the middle.
The lofting loft command in Auto cad software provides a way to construct a generalized straight-grain curved surface column, and the generalized straight-grain curved surface column with flat elliptic cross sections at two ends and a circular cross section between the waist can be constructed.
A circular single-column pier is wrapped outside the generalized straight-line curved-surface column, the circular cross section of the waist is matched with the circular single-column pier, and the flat elliptical cross section of the top is matched with the circular end-shaped reinforcing pier cap.
The horn-shaped straight-line curved surface column is a curved surface column which is characterized in that a column section above the circular section at the finest waist part has a relatively long column section geometrical size, and a column section below the circular section at the finest waist part has a relatively long column section geometrical size and presents a horn-shaped geometrical shape.
The penny column closed polygonal star geometry theorem is an important geometry theorem about an inscribed and circumscribed closed polygonal star of a double-centered ellipse, if an n-pointed star and the inscribed and circumscribed closed double-centered ellipse exist, a tangent path starting from any point on an outer ellipse line is closed after M steps, infinite n-pointed stars and the inscribed and circumscribed closed double-centered ellipse can be formed, and a penny column double-centered elliptical closed polygonal star geometry grid can be formed.
The geometrical grid of a penny column double-center ellipse closed polygonal star with the inside being circular and the outside being flat ellipse can be constructed by utilizing penny column closed geometrical theorem, namely the double-center ellipse formed by the inner circle and the concentric outer ellipse, and after the three-dimensional space flower basket framework is processed, the trumpet-shaped straight grain curved surface column can be formed.
The plane projection of the trumpet-shaped straight-line curved surface column can adopt a geometric mode of concentric pense row double-center ellipses of an inner circle and an outer ellipse, and the double-center ellipses formed by the inner circle and the concentric outer ellipse can form a pense row closed triangular geometric grid, a pense row closed pentagram or a pense row closed octagonal star which are common geometric grid forms.
The sufficient requirements that when the outer ellipse and the concentric inner circle can form a penny triangle are as follows: the reciprocal of the major axis of the ellipse plus the reciprocal of the minor axis of the ellipse is equal to the reciprocal of the diameter of the inner circle.
Namely: 1/a +1/b ═ 1/r (1)
In the formula: a. b is the size of the semi-major axis and the semi-minor axis of the outer ellipse respectively;
r is the radius of the inner circle.
The method comprises the steps of determining the radius r of an inner circle according to an original circular single-column pier, reinforcing a pier cap according to a circular end shape, determining the semilong axis a of an outer ellipse, calculating the semishort axis b of the outer ellipse according to an equation (1), forming pense-column closed triangular straight-line curved surface columns according to the distance from a circular section of a waist to the bottom surface of the circular-end-shaped reinforcing pier cap, and intercepting the redundant parts at the lower parts of the pense-column triangular straight-line curved surface columns according to the distance from the circular section of the waist to the top surface of a basic cushion cap to form trumpet-shaped straight-line curved surface columns according to the distance from the circular section of the waist to the bottom surface of the circular-end-shaped reinforcing pier cap.
For the circular single-column pier, the horn-shaped penning-row straight-line curved-surface column is wrapped outside the reinforced circular single-column pier to form a composite reinforced pier with the horn-shaped straight-line curved-surface column sleeved outside the circular single-column pier, the composite reinforced pier with the horn-shaped straight-line curved-surface column is in the shape of a curved flowerpot with a thin waist, is attractive, and has a thin waist to widen the view field of a driver; the bottom geometric dimension of the round single-column pier reinforced by the externally-wrapped horn-shaped straight-line curved-surface column is not increased greatly, and a pile foundation does not need to be newly added; the composite reinforced pier adopting the horn-shaped straight-line curved surface column has a wider top, so that the sufficient distance between the box girder double supports is ensured, and the anti-overturning stability of the box girder bridge is facilitated; the stress steel bars are linearly arranged to form a space cylinder net shape, so that the construction is convenient and fast; the waist of the pier body is small, the consumption of concrete is saved, the construction cost of reinforcing the pier is reduced, and the horn-shaped penning straight-line curved surface column is externally wrapped with the reinforcing column pier and has good matching performance with the original circular single column pier.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
because the transverse support body of the single-column pier is a single-pivot support, when an overloaded vehicle passes through the single-pivot support, the potential safety hazard of the whole side turning of the bridge exists, and reinforcement treatment needs to be adopted.
The existing single-column pier reinforcing method has more or less defects, and a single-column pier reinforcing method which is reliable in stress, does not need to newly increase a pile foundation, is attractive in appearance, is convenient to construct and is good in economical efficiency is urgently needed.
The utility model discloses utilize the straight line characteristic of single-leaf hyperboloid, arrange the atress reinforcing bar into the space section of thick bamboo netted, single-leaf hyperboloid loudspeaker form straight line curved surface post outsourcing consolidates the single-column mound, and the atress reinforcing bar is arranged to the straight line, and construction convenience is swift, and oval form welding ring shape stirrup winding atress reinforcing bar constitutes firm steel skeleton, pours the concrete, forms the compound reinforcement pier of a circular single-column mound overcoat loudspeaker form straight line curved surface post.
The composite reinforced pier of the horn-shaped straight-line curved column is thin and waist-shaped, the appearance is attractive, the thin waist of the single-leaf hyperboloid pier widens the view of a driver.
The composite reinforced pier adopting the horn-shaped straight-line curved-surface column has a wider top, ensures enough distance between the box girder double supports, is favorable for the anti-overturning stability of the box girder bridge, and achieves the main aim of reinforcing the single-column pier.
The horn-shaped straight-line curved surface column is characterized in that the height of the lower column section below the finest waist part is obviously smaller than that of the column section above the finest waist part, the horn-shaped geometric shape is presented, the geometric dimension of the bottom of the pier bridge is not greatly increased, the original pile foundation can be utilized to bear force, and a new pile foundation is not required to be added.
By utilizing the straight grain characteristic of the single-leaf hyperboloid, the stress steel bars are arranged into a spatial cylinder net shape, the stress steel bars are linearly arranged, the oval-shaped welded annular stirrups are wound on the stress steel bars, the construction is convenient and quick, and the stress of the reinforced pier is reliable.
The composite reinforced pier of the horn-shaped straight-line curved-surface column adopts a flat oval pier body, the waist of the pier body is small, the concrete consumption is saved, and the construction cost of reinforcing the pier is reduced.
The utility model discloses a composite reinforcement pier of single-column mound overcoat loudspeaker form straight line curved surface post has that the structure atress is reasonable, pleasing to the eye, the driver field of vision is wide, antidumping stability is good, framework of steel reinforcement construction convenience, column base cross-sectional dimension are little, need not newly-increased pile foundation and cost advantage such as low.
For the reinforcement of the flat thin-wall single-column pier, the horn-shaped straight-line curved-surface column can be directly a single-leaf double-curved-surface column, and the cross sections of the traditional single-leaf double-curved-surface column at different elevations are a series of concentric ellipses with the same eccentricity, so that the traditional single-leaf double-curved-surface column is wrapped with the reinforced thin-wall single-column pier effectively and reasonably.
For the reinforcement of the circular single-column pier, if the single-leaf hyperboloid column with the circular cross section is adopted for reinforcement, the circular cross section of the waist part is suitable for the original circular single-column pier, but the top of the single-leaf hyperboloid column is also provided with the circular cross section, the longitudinal bridge direction geometric dimension of the circular cross section of the top part is too thick, materials are wasted, and the circular cross section of the top part of the single-leaf hyperboloid column cannot be matched with the reinforcement pier cap with the strip-shaped circular end shape.
For the reinforcement of the circular column pier, if the single-blade hyperbolic column with the flat elliptic section is adopted for reinforcement, the flat elliptic section at the top is suitable for the reinforcement pier cap with the long strip-shaped round end, but the waist part is also the elliptic section, the longitudinal bridge-direction geometric dimension of the elliptic section at the waist part is too thin, the original circular column pier at the waist part is exposed, the reinforcement construction is influenced, the appearance is influenced, and the elliptic section at the waist part of the single-blade hyperbolic column is not suitable for the appearance of the original circular single-column pier.
How to construct the circular single-column pier wrapped outside the generalized straight-line curved-surface column, the circular cross section of the waist of the generalized straight-line curved-surface column is matched with the circular single-column pier, and the flat elliptic cross section of the top of the generalized straight-line curved-surface column is matched with the circular end-shaped reinforcing pier cap.
For the reinforcing problem of a circular single-column pier bridge, a penny column double-center oval closed polygonal star shape theorem is applied to form penny column closed polygonal star-shaped grids with a circular inner part and a flat oval outer part, the penny column closed polygonal star shape is a geometric figure with an inscribed circle and an externally-connected flat oval outer part, and the planar penny column double-center oval closed polygonal star shape is subjected to three-dimensional flower-basket framework treatment to form a reinforcement framework of a trumpet-shaped straight-line curved-surface column.
For a circular single-column pier bridge, an ideal horn-shaped straight-line curved-surface column reinforcing pier should be a structure with a flat oval top and a circular waist, so that according to the penny column double-center ellipse closed polygonal star theorem, a horn-shaped straight-line curved-surface column is adopted to externally wrap and reinforce a circular single-column pier to form a composite reinforcing pier with a round single-column pier and externally wrapped with a horn-shaped straight-line curved-surface column, the waist of the horn-shaped straight-line curved-surface column is circular, the top of the horn-shaped straight-line curved-surface column is a flat oval with high eccentricity, and the bottom of the horn-shaped straight-line curved-surface column is an ellipse with low eccentricity and approximate to circular shape.
For the circular single-column pier, the improved trumpet-shaped penny-shaped straight-line curved surface column is adopted to reinforce the circular single-column pier structure, the size of the column bottom is not greatly increased, and a pile foundation does not need to be newly added; the column waist is circular and can be matched and coordinated with the original circular column, the view field of a driver is wide, the column top is a flat ellipse with larger eccentricity, the column is suitable for reinforcing a pier cap with a long strip-shaped round end, the enough distance between the double supports of the box girder bridge is ensured, and the anti-overturning stability of the box girder bridge is facilitated.
Drawings
FIG. 1 is a three-dimensional schematic view of a flower basket-shaped space steel reinforcement cage of a trumpet-shaped straight-grain curved column;
FIG. 2 is a plan view of the closed triangular space-flower basket steel reinforcement cage of FIG. 1 in penning columns;
FIG. 3 is a three-dimensional schematic view of a composite reinforced bridge pier with a horn-shaped straight-line curved column sleeved outside a circular single-column pier;
fig. 4 is a schematic cross-sectional reinforcement of the composite reinforced pier of the trumpet-shaped straight-grain curved column in fig. 3.
In the figure: original circular single-column piers 1; a pile foundation 2; a base platform 3; a composite reinforcing pier 4 of a horn-shaped straight-line curved surface column; a spatial cylinder net-shaped main rib 41 and a hoop 42 are welded; pier body concrete 43; a round end-shaped reinforcing pier cap 5; a support cushion block 6; an upper box girder 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1:
the utility model discloses a compound reinforcement pier of circular single-column mound overcoat loudspeaker form straight line curved surface post, its characteristic lies in: original circular independent column mound 1 is located on pile foundation 2 and basic cushion cap 3, the original circular independent column mound 1 of the compound reinforcement mound 4 parcel of loudspeaker form straight line curved surface post, the finest department of the waist of the compound reinforcement mound 4 of loudspeaker form straight line curved surface post is circular cross section, the top of the compound reinforcement mound 4 of loudspeaker form straight line curved surface post is the oval cross section of platykurtic, the compound reinforcement mound 4 of loudspeaker form straight line curved surface post is that the column section height below the finest department of waist is obviously less than the column section height above the finest department of waist, present the structural appearance of loudspeaker form, the compound reinforcement mound 4 top of loudspeaker form straight line curved surface post sets up platykurtic circular end shape reinforcement mound cap 5, two support cushion blocks 6 support upper portion case roof beam 7 about setting up above the platykurtic circular end reinforcement mound cap 5 of platykurtic.
The composite reinforcing pier 4 of the trumpet-shaped straight-grain curved-surface column consists of a space cylinder net-shaped main rib 41, a welding hoop 42 and pier body concrete 43, wherein the plane projection of the space cylinder net-shaped main rib 41 is a penning column double-center oval closed polygonal star-shaped grid with a circular inner part and a flat oval outer part, the space configuration of the space cylinder net-shaped main rib 41 is a space flower basket shape formed according to the penning column double-center oval closed polygonal star-shaped grid, the space cylinder net-shaped main rib 41 is divided into two linear steel bar groups which are arranged in a crossed mode, the waist part of the welding hoop 42 is circular, and the top part of the welding hoop 42 is flat oval.
Example 2:
a construction method for composite reinforcement of a pier by sleeving a horn-shaped straight-line curved-surface column on a circular single-column pier is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: according to the geometric dimensions of the round single-column pier 1 and the round end-shaped reinforcing pier cap 5, determining the geometric dimensions of the round section at the finest part of the waist part and the flat elliptic section at the top part of the composite reinforcing pier 4 of the horn-shaped straight-line curved-surface column to form a planar pense-row double-center elliptic closed polygonal star-shaped geometric figure;
step two: determining the height distance from the finest circular section of the waist of the composite reinforcing pier 4 of the horn-shaped straight-line curved surface column to the bottom surface of the round end-shaped reinforcing pier cap 5, and determining the height distance from the finest circular section of the waist of the composite reinforcing pier 4 of the horn-shaped straight-line curved surface column to the top surface of the foundation cushion cap 3 to form the three-dimensional geometric shape of the composite reinforcing pier 4 of the horn-shaped straight-line curved surface column;
step three: arranging a spatial cylinder net-shaped main rib 41 according to the geometrical shape of a spatial flower basket formed by penny-row double-center oval closed polygonal star-shaped grids, planting anchoring steel bars on the top surface of a foundation cushion cap 3 supported by a pile foundation 2 to form a spatial cylinder net-shaped main rib 41 framework, constructing and welding a hoop 42 on the periphery of the spatial cylinder net-shaped main rib 41 framework, manufacturing a template, and pouring pier body concrete 43 to form a composite reinforcing pier 4 of a trumpet-shaped straight-line curved surface column;
step four: binding reinforcing steel bars, installing a template, and pouring concrete to form a round end-shaped reinforced pier cap 5;
step five: the jack supports upper portion case roof beam 7 temporarily, underpins two about the installation support cushion 6, accomplishes the reinforcement engineering project of single-column mound bridge, improves the whole stability of antidumping of single-column mound bridge.
Example 3:
specifically, 30-meter-span multi-span continuous box girder viaduct in a certain city, 4 lanes in two directions, designed load is city-A level automobile load, the bridge adopts a pile foundation, the original pier is an independent column pier structure, and in order to ensure the anti-overturning stability, the construction method of reinforcing the pier by the aid of the composite method of the horn-shaped straight-line curved-surface column sleeved outside the circular independent column pier is adopted.
The box girder is a single-box double-chamber box girder, the width of the top surface is 18 meters, the width of the bottom of the box girder is 8 meters, the height of the box girder is 2.5 meters, and a single basin-type support is arranged below the box girder.
The original pier structure adopts a single column pier structure with a diameter of 1.5 meters and a circular cross section, and the height of the original column pier is 18 meters.
The height of the horn-shaped straight-grain curved-surface column reinforcing column pier is 16 meters, wherein the column section above the finest circular cross section of the waist is 12 meters, the column section below the finest circular cross section of the waist is 4 meters, the long axis of the ellipse at the top of the horn-shaped straight-grain curved-surface column pier body is 4.5 meters, the short axis of the ellipse is 3 meters, the circular diameter of the waist of the horn-shaped straight-grain curved-surface column pier is 1.8 meters, the long axis of the ellipse at the bottom of the horn-shaped straight-grain curved-surface column pier body is 2.4 meters, and the short axis of the ellipse is 1.84 meters.
The round end-shaped reinforcing pier cap is a flat elliptical pier cap, the reinforcing pier cap and the horn-shaped straight-line curved surface column reinforcing pier are poured together, the long axis of the reinforcing pier cap is 8 meters, the short axis of the reinforcing pier cap is 3.5 meters, and the thickness of the reinforcing pier cap is 2 meters.
48 diameter 22mm reinforcing bars are configured to tubaeform straight line curved surface column piers altogether, adopt the two sets of sharp steel reinforcement frameworks of flower blue form space cross arrangement, and the stirrup adopts diameter 12 mm's welding hoop, and the stirrup interval is 200mm, and pier shaft template adopts assembled mould, and the concrete of consolidating the column pier and consolidating the pier cap adopts C35, and both once pouring shaping.
The jack supports the upper box girder temporarily, two basin-type supports about underpinning the installation, accomplishes the reinforcement engineering project of single-column mound bridge, improves the whole stability against overturning of single-column mound bridge.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (2)
1. The utility model provides a compound reinforcement pier of straight line curved surface post of circular single-column mound overcoat loudspeaker form, includes compound reinforcement mound (4) of original circular single-column mound (1) and the straight line curved surface post of loudspeaker form, its characteristic lies in: original circular independent column mound (1) is located on pile foundation (2) and basic cushion cap (3), original circular independent column mound (1) of compound reinforcement mound (4) parcel of tubaeform straight line curved surface post, the finest department of the waist of compound reinforcement mound (4) of tubaeform straight line curved surface post is circular cross section, the top of compound reinforcement mound (4) of tubaeform straight line curved surface post is the oval cross-section of platykurtic, tubaeform straight line curved surface post's compound reinforcement mound (4) are that the column section height that the finest department of waist is below is obviously less than the column section height that the finest department of waist is above, present the structure appearance of tubaeform, tubaeform straight line curved surface post's compound reinforcement mound (4) top sets up platykurtic circle end shape reinforcement mound cap (5), two support cushion blocks (6) support upper portion case roof beam (7) about setting on platykurtic circle end reinforcement mound cap (5).
2. The composite reinforced pier of the circular single-column pier sleeved with the horn-shaped straight-line curved-surface column according to claim 1, wherein the composite reinforced pier is characterized in that: the composite reinforcing pier (4) of the trumpet-shaped straight-line curved-surface column consists of a space cylinder net-shaped main rib (41), a welding hoop (42) and pier body concrete (43), wherein the plane projection of the space cylinder net-shaped main rib (41) is a penning-column double-center oval closed polygonal star-shaped grid with a circular inner part and a flat oval outer part, the space configuration of the space cylinder net-shaped main rib (41) is a space basket shape formed according to the penning-column double-center oval closed polygonal star-shaped grid, the space cylinder net-shaped main rib (41) is divided into two linear steel bar groups which are arranged in a crossed mode in space, the waist part of the welding hoop (42) is circular, and the top part of the welding hoop (42) is flat oval.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022892490.4U CN213925832U (en) | 2020-12-04 | 2020-12-04 | Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column |
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| CN202022892490.4U CN213925832U (en) | 2020-12-04 | 2020-12-04 | Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column |
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| CN202022892490.4U Withdrawn - After Issue CN213925832U (en) | 2020-12-04 | 2020-12-04 | Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column |
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| CN (1) | CN213925832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376409A (en) * | 2020-12-04 | 2021-02-19 | 张家港保税区金港建设工程质量检测有限公司 | Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column and construction method thereof |
| CN112376409B (en) * | 2020-12-04 | 2024-07-16 | 张家港保税区金港建设工程质量检测有限公司 | Composite reinforced pier with circular single pier sleeved with horn-shaped straight-line curved column and construction method of composite reinforced pier |
-
2020
- 2020-12-04 CN CN202022892490.4U patent/CN213925832U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376409A (en) * | 2020-12-04 | 2021-02-19 | 张家港保税区金港建设工程质量检测有限公司 | Composite reinforced pier with circular single-column pier sleeved with horn-shaped straight-line curved-surface column and construction method thereof |
| CN112376409B (en) * | 2020-12-04 | 2024-07-16 | 张家港保税区金港建设工程质量检测有限公司 | Composite reinforced pier with circular single pier sleeved with horn-shaped straight-line curved column and construction method of composite reinforced pier |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210810 Effective date of abandoning: 20240716 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210810 Effective date of abandoning: 20240716 |