CN108301323B - Bridge deck wave-proof anti-collision guardrail of cross-sea bridge - Google Patents
Bridge deck wave-proof anti-collision guardrail of cross-sea bridge Download PDFInfo
- Publication number
- CN108301323B CN108301323B CN201810275770.5A CN201810275770A CN108301323B CN 108301323 B CN108301323 B CN 108301323B CN 201810275770 A CN201810275770 A CN 201810275770A CN 108301323 B CN108301323 B CN 108301323B
- Authority
- CN
- China
- Prior art keywords
- wave
- shaped
- layer
- resistant
- baffle
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/143—Protecting devices located at the ends of barriers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A deck wave and bump barrier for a cross-sea bridge, comprising: the device comprises a stand column base, a stand column, an upper cross beam, an anti-collision cross beam, a wave-resistant baffle base and a wave-resistant baffle. The upright post base and the wave-proof baffle base are both arranged in the bridge deck curb and used for fixing the bottoms of the upright posts and the wave-proof baffles; the upright post is vertically arranged at the top of the upright post base, a first connecting piece is arranged on the opposite cylindrical surface of the upright post along the bridge, and a second connecting piece is arranged on the cylindrical surface of the transverse bridge facing the vehicle side; the upper cross beam is fixed between the upright posts through a first connecting piece; the anti-collision cross beam is vertically fixed on the upright post through a second connecting piece; the wave-proof baffle is embedded and fixed between the upright post, the upper cross beam and the wave-proof baffle base, a Z-shaped distributed optical fiber sensor is arranged in an interlayer of the wave-proof baffle, and a water drop-shaped vibration reduction energy dissipation cushion layer is arranged on a peripheral ring of the wave-proof baffle. The application can simultaneously prevent waves and crashproof, can test the wave force of surmounting waves, has good landscape effect, good damping and energy consumption effect and good durability, and can obviously improve the driving environment of the bridge deck.
Description
Technical Field
The application relates to the technical field of cross-sea bridge engineering, in particular to a bridge deck wave-proof and collision-proof guardrail of a cross-sea bridge.
Background
The global regional economy integration process promotes the world countries to accelerate the planning and research more magnificent cross-sea channel engineering. In the future, a great construction demand exists for the cross-sea oversized bridge, such as cross-sea channel engineering of crossing Jozhou strait, bohai strait, suan strait, directly-brothers strait and the like, and the engineering is being planned and researched. The sea environment challenges of deep water, strong wind, billows and the like are faced to the sea bridge engineering, and the bridge deck has hidden dangers of wave and upper waves on the bridge deck and threatens the driving safety of the bridge deck at the island bridge joint part of the sea bridge engineering and other bridge deck design positions with lower elevation.
In order to reduce the occurrence of the rising waves on the bridge deck, the design elevation of the bridge deck can be raised, or waves reaching the bridge site can be reduced by building a breakwater on the wave facing side of the bridge site, etc., but these countermeasures are often difficult to implement due to high manufacturing cost and great influence.
The main protection objects of the traditional bridge deck guardrail are vehicles and pedestrians on the bridge, and most of the traditional bridge deck guardrail is a reinforced concrete or steel structure and is generally a permeable structure. In recent years, in order to improve the driving wind environment of a bridge deck, a bridge windbreak and a bridge guardrail are combined, upright posts of the guardrail are heightened and reinforced, a plurality of windbreak strips are arranged at the upper ends of the upright posts, and a certain air permeability is provided between the windbreak strips. It can be seen that the conventional bridge deck guardrail and its windbreak structure do not have the wave-proof effect.
The bridge deck guardrail is located the bridge flange, has natural advantage with its major structure of preventing unrestrained as the bridge deck, compares to raise bridge deck design elevation, modes such as setting up breakwater have advantages such as cost low, easy implementation, but how to change traditional guardrail into can block the wave and clap the effect repeatedly to have antifatigue, durable, easy maintenance and the effectual structure of view, need carry out innovative design.
Disclosure of Invention
First, the technical problem to be solved
The application aims to provide a bridge deck wave-proof and collision-proof guardrail of a cross-sea bridge, which aims to solve at least one technical problem.
(II) technical scheme
The application provides a bridge deck wave-proof anti-collision guardrail of a cross-sea bridge, which comprises the following components: n upright post bases 1, N upright posts 2, N-1 upper cross beams 3, M rows of anti-collision cross beams 4, N-1 wave-resistant baffle bases 5 and N-1 wave-resistant baffles 6, wherein M, N are natural numbers, N is more than or equal to 2, M is more than 1,
the upright post base 1 is a thick steel plate with a 'mouth', the bottom of the thick steel plate is fixedly connected in the bridge deck curb 7, and the top of the thick steel plate is used for installing the upright post 2;
the upright 2 comprises: a straight column 8 with a cross section of a shape of an opening or a round chamfer on the periphery, which is vertically arranged at the top of the upright column base 1; a first connecting piece 9 arranged on the opposite cylindrical surfaces of the upright post 2 along the bridge direction; the U-shaped vertical clamping groove 10 is arranged on the opposite cylindrical surfaces of the upright post 2 along the bridge direction and is positioned at the lower part of the first connecting piece 9; m second connecting pieces 11 which are arranged on the column surface of the transverse bridge of the upright post 2 facing the vehicle side;
the upper beam 3 includes: a cross-beam 12 of "mouth" or "rounded-around" cross-section, which is fixed between at least two uprights 2 by means of a first connection 9; the U-shaped horizontal clamping groove 13 is arranged on the central line of the lower surface of the cross beam 12 and is used for installing the top of the wave-resistant baffle 6;
the M rows of anti-collision cross beams 4 are vertically fixed on the two upright posts 2 through second connecting pieces 11;
the wave-resistant baffle base 5 is a connecting piece with a pre-buried U-shaped horizontal clamping groove 14 arranged at the top, the bottom of the wave-resistant baffle base is firmly arranged in the bridge deck curb 7, and the two ends of the wave-resistant baffle base are smoothly connected with the U-shaped vertical clamping groove 10 of the upright post 2;
the wave shield 6 comprises: a "mouth" shaped transparent baffle 15; a 'water drop' type vibration damping energy dissipation cushion layer 16 which is arranged on the periphery of the 'mouth' type transparent baffle 15; a "Z" shaped distributed fiber optic sensor 17 with its ends leading from the ends of the "drop" shaped damping and energy dissipating pad 16.
In some embodiments of the present application, in the M rows of the anti-collision beams 4, each row of the anti-collision beams 4 is composed of steel beams with sections of "mouth" shape or "round chamfer mouth" shape, and adjacent steel beams are firmly connected between the upright posts 2 through joint connectors.
In some embodiments of the present application, the "mouth" shaped transparent baffle 15 is a double-layer toughened laminated glass having a laminated layer which protects and geometrically positions the "Z" shaped distributed optical fiber sensor 17, and the "Z" shaped distributed optical fiber sensor 17 is distributed in the laminated layer of the double-layer toughened laminated glass.
In some embodiments of the present application, the thickness of the adhesive-clamping layer is 1-3 mm, and the Z-shaped distributed optical fiber sensor 17 is located on the central axis of the double-layer toughened adhesive-clamping glass, and two sides of the Z-shaped distributed optical fiber sensor are clung to the double-layer toughened adhesive-clamping glass.
In some embodiments of the present application, the "mouth" shaped transparent baffle 15 is embedded and fixed between the "U" shaped vertical clamping groove 10 of the upright post 2, the "U" shaped horizontal clamping groove 13 of the upper beam 3 and the embedded "U" shaped horizontal clamping groove 14 of the wave-resistant baffle base 5, and is sealed by using expansion sealant, so as to realize elastic vibration reduction and energy consumption connection around the "mouth" shaped transparent baffle 15.
In some embodiments of the present application, the "water drop" shaped damping and energy dissipation cushion layer 16 at the top and bottom of the wave-resistant baffle 6 has a three-layer structure, which is respectively from inside to outside: an inner rubber layer 18, a middle soft steel layer 19 and an outer rubber layer 20, wherein the inner rubber layer 18 is made of a thick corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' -shaped outer contour, the inner surface of the inner rubber layer is firmly adhered to the 'mouth' -shaped transparent baffle 15, the outer surface of the inner rubber layer is firmly adhered to the middle soft steel layer 19, and the inner rubber layer is subjected to the pre-compression force of 0.1-1 kPa applied to the middle soft steel layer 19; the middle soft steel layer 19 is of equal-thickness alloy steel with a 'water drop' -shaped outer contour, the thickness t1 of the alloy steel is 2-3 mm, and the surface of the alloy steel is subjected to heavy-duty coating; the outer rubber layer 20 is made of a constant-thickness corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' shaped outer contour, the thickness t2 of the rubber material is 1-2 mm, the inner surface of the rubber material is firmly adhered with the middle soft steel layer 19, and the outer surface of the rubber material is vulcanized;
the ' water drop ' -shaped ' vibration damping and energy dissipation cushion layer 16 at the two sides of the wave-resistant baffle 6 is respectively an inner rubber layer 18 and a middle soft steel layer 19 from inside to outside.
In some embodiments of the present application, the thickness of the "mouth" transparent baffle 15 is t3, the lateral maximum thickness of the "water drop" vibration-damping energy-dissipating cushion layer is ts, the height is hs, the net widths of the "U" vertical clamping groove, the "U" horizontal clamping groove and the pre-buried "U" horizontal clamping groove are d, the net depths of the grooves are h, t3 is greater than or equal to 24mm, ts is greater than or equal to 8mm, hs is greater than or equal to 30mm, d=t3+2×ts+Δ, h=hs- Δ, Δ is the installation error, and Δ=3 to 5mm.
In some embodiments of the application, the "mouth" shaped transparent baffle 15 has an impact pressure p > C s p 0 Wherein C s As a safety factor, C s ≥1.2；p 0 Is the wave slapping pressure, ρ is the sea water mass density, C pa For space slapping pressure coefficient, C pa And v is the relative normal velocity between the wave and the surface of the "mouth" shaped transparent baffle 15.
In some embodiments of the application, the height H > C of the wave shield 6 s H 0 Wherein H is 0 Is the wave climbing height of the bridge deck curb 7 position.
In some embodiments of the application, the first and second connectors 9, 11 are "L" shaped connectors with bolt holes and bolts; and/or
The upright post 2, the upper cross beam 3 and the anti-collision cross beam 4 are made of heavy-duty coated alloy steel, and the upright post base 1 and the wave-resistant baffle base 5 are made of heavy-duty coated alloy steel or cast steel.
(III) beneficial effects
Compared with the prior art, the bridge deck wave-proof and collision-proof guardrail of the cross-sea bridge has at least the following advantages:
1. the main structure of the wave-resistant baffle adopts double-layer toughened laminated glass, the periphery of the wave-resistant baffle adopts a 'water drop' -shaped vibration-damping energy-consuming cushion layer, the 'water drop' -shaped vibration-damping energy-consuming cushion layer is fixedly embedded between a 'U' -shaped vertical clamping groove of an upright post, a 'U' -shaped horizontal clamping groove of an upper cross beam and a pre-embedded 'U' -shaped horizontal clamping groove of a wave-resistant baffle base, and is sealed by adopting expansion sealant, so that the structure of combined connection of the high-strength wave-resistant baffle and the surrounding high-damping elastic vibration-damping energy-consuming materials is realized.
2. The double-layer toughened laminated glass of the wave-resistant baffle is internally provided with the Z-shaped distributed optical fiber sensor, the sensor is just positioned on the central shaft of the double-layer toughened laminated glass, the double-layer toughened laminated glass is clung to the two sides of the sensor, the deformation and the stress condition of the double-layer toughened laminated glass under the action of repeatedly striking waves can be accurately perceived, the sensor is safely protected and geometrically positioned by the laminated layer, the novel structure can conveniently and accurately measure the wave force and the distribution of the wave force of the wave, and the sensor is protected by the laminated layer and the double-layer toughened laminated glass, so that the durability of the sensor is good.
3. The wave-proof baffle forms a light-transmitting waterproof wave-proof barrier to outside waves with the upright post, the upper cross beam and the wave-proof baffle base, and meanwhile, the anti-collision cross beam forms an anti-collision barrier to an inside vehicle with the upper cross beam and the upright post.
4. The wave-resistant baffle is connected with the upright post, the upper cross beam and the wave-resistant baffle base in an embedded mode, the anti-collision cross beam is connected with the upright post through bolts, and the wave-resistant baffle is convenient to construct, maintain and good in economical efficiency.
Drawings
FIG. 1 is a three-dimensional schematic view of a deck wave and collision barrier of a cross-sea bridge according to an embodiment of the present application;
FIG. 2 is a schematic illustration of the locations of the column bases and the wave-resistant barrier bases of the deck wave-resistant crash barrier of the cross-sea bridge in accordance with an embodiment of the application;
FIG. 3 is a three-dimensional schematic view of an upright post of a deck wave and crash barrier of a cross-sea bridge according to an embodiment of the application;
FIG. 4 is a three-dimensional schematic view of an upper cross beam of a deck wave and crash barrier of a cross-sea bridge according to an embodiment of the application;
FIG. 5 is a schematic view of a wave-resistant barrier and its connection structure for a bridge deck wave-resistant crash barrier of a cross-sea bridge according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a connection of a "drop" shaped damping energy dissipation cushion and a "mouth" shaped transparent baffle at the top and the top of a wave-resistant barrier of a bridge deck wave-resistant crash barrier of a cross-sea bridge according to an embodiment of the application;
fig. 7 is a schematic diagram of cross section of a U-shaped vertical clamping groove, a U-shaped horizontal clamping groove and a pre-buried U-shaped horizontal clamping groove of the bridge deck wave-resistant crash barrier of the cross-sea bridge according to an embodiment of the present application.
Reference numerals illustrate:
a column base 1; a column 2; an upper cross member 3; an anti-collision cross beam 4; a wave-resistant baffle base 5; a wave-resistant baffle 6; bridge deck curb 7; a straight column 8; a first connector 9; a U-shaped vertical clamping groove 10; a second connector 11; a cross beam 12; a U-shaped horizontal clamping groove 13; pre-burying a U-shaped horizontal clamping groove 14; a "mouth" shaped transparent baffle 15; a "drop" shaped damping and energy dissipating cushion 16; a "Z" shaped distributed fiber optic sensor 17; an inner rubber layer 18; an intermediate mild steel layer 19; an outer rubber layer 20; the net width d and the net depth h of the U-shaped vertical clamping groove 10 (as well as the U-shaped horizontal clamping groove 13 and the pre-buried U-shaped horizontal clamping groove 14) are formed in the groove; the thickness t1 of the middle mild steel layer 19; the thickness t2 of the outer rubber layer 20; the thickness t3 of the "mouth" shaped transparent baffle 15; the lateral maximum thickness ts of the "drop" shaped damping and dissipative shim 17; the height of the 'water drop' -shaped damping energy dissipation cushion layer 17 is hs; the setting height H of the wave-resistant baffle 6; the columns 2 are arranged at intervals D in the bridge direction.
Detailed Description
The bridge deck wave-resistant anti-collision guardrail for the sea-crossing bridge has the characteristics of being difficult to enable the guardrail for the sea-crossing bridge to have the characteristics of blocking repeated slapping of waves, measuring wave force of crossing waves, resisting fatigue, being durable, being easy to maintain and being good in landscape effect. The wave-proof baffle 6 of the guardrail and the upright post 2, the upper cross beam 3 and the bridge deck curb stone 7 form a wave-proof barrier which is light-permeable and waterproof to the outside, and meanwhile, the upper cross beam 3, the anti-collision cross beam 4 and the upright post 2 form an anti-collision barrier to the inside. In addition, the Z-shaped distributed optical fiber sensor 17 of the wave-resistant baffle 6 can accurately measure the wave force of the surging wave and the distribution thereof.
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent.
Fig. 1 is a three-dimensional schematic diagram of a bridge deck wave-proof crash barrier of a cross-sea bridge according to an embodiment of the application, referring to fig. 1, the barrier includes: n upright post bases 1, N upright posts 2, N-1 upper cross beams 3, M rows of anti-collision cross beams 4, N-1 wave-resistant baffle bases 5 and N-1 wave-resistant baffles 6, wherein N is more than or equal to 2, and M=2 or M=3 is preferable in consideration of cost factors.
Fig. 2 is a schematic diagram of the positions of a column base and a wave-preventing baffle base of a bridge deck wave-preventing crash barrier of a cross-sea bridge according to an embodiment of the application, please refer to fig. 2, the column base 1 is a "mouth" shaped thick steel plate, the bottom of the column base is firmly installed in a bridge deck curb 7, and the top of the column base is used for installing a column 2.
Fig. 3 is a three-dimensional schematic view of an upright post of a bridge deck wave-resistant crash barrier of a cross-sea bridge according to an embodiment of the application, please refer to fig. 3, wherein the upright post 2 includes: a straight column 8 with a cross section of a shape of a 'mouth' (a rectangular cross section) or a shape of a 'round chamfer mouth' (a rectangular cross section with an arc chamfer), and is vertically arranged at the top of the upright column base 1; a first connecting piece 9 arranged on the opposite cylindrical surfaces of the upright post 2 along the bridge direction; the U-shaped vertical clamping groove 10 is arranged on the opposite cylindrical surfaces of the upright post 2 along the bridge and is positioned at the lower part of the first connecting piece 9; m second connecting pieces 11 which are arranged on the column surface of the transverse bridge of the upright post 2 facing the vehicle side; the first connecting piece 9 and the second connecting piece 11 are L-shaped connecting pieces with bolt holes and bolts, so that the wave-resistant baffle and the anti-collision cross beam can be conveniently placed, and the fixation between all the components is realized.
The upright can be of hollow or solid construction, preferably hollow construction, which allows for the saving of building materials.
Fig. 4 is a three-dimensional schematic diagram of an upper beam of a bridge deck wave-resistant crash barrier of a cross-sea bridge according to an embodiment of the application, referring to fig. 4, the upper beam 3 includes: a cross-beam 12 of "mouth" or "rounded-around" cross-section, which is fixed between the two uprights 2 by means of the first connecting piece 9; and a U-shaped horizontal clamping groove 13 which is arranged on the central line of the lower surface of the cross beam 12 and is used for installing the top of the wave-resistant baffle 6.
Referring to fig. 1, the anti-collision cross beams 4 are vertically fixed on the two upright posts 2 through second connecting pieces 11, each row of anti-collision cross beams 4 is composed of a plurality of sections of steel beams with cross sections of 'mouth' shape or 'round chamfer mouth' shape, and adjacent steel beams are firmly connected between the upright posts 2 through joint connecting pieces.
Referring to fig. 2, the wave-preventing baffle base 5 is a connecting piece with a pre-buried "U" shaped horizontal clamping groove 14 at the top, the bottom is firmly installed in the bridge deck curb 7, and two ends thereof are smoothly connected with the "U" shaped vertical clamping groove 10 of the upright post 2.
Fig. 5 is a schematic diagram of a wave-preventing baffle plate and a connection structure thereof of a bridge deck wave-preventing crash barrier of a cross-sea bridge according to an embodiment of the present application, fig. 6 is a schematic diagram of connection between a "water drop" (e.g., U-shaped) vibration-absorbing energy-consuming cushion layer and a "mouth" transparent baffle plate on top of the wave-preventing baffle plate of the bridge deck wave-preventing crash barrier of a cross-sea bridge according to an embodiment of the present application, fig. 7 is a schematic diagram of cross-section of a "U" vertical slot, a "U" horizontal slot and a pre-buried "U" horizontal slot of the bridge deck wave-preventing crash barrier of a cross-sea bridge according to an embodiment of the present application, please refer to fig. 5, 6 and 7, and the wave-preventing baffle plate 6 includes: a "mouth" shaped transparent baffle 15, which is a double layer tempered laminated glass; a 'water drop' type vibration damping energy dissipation cushion layer 16 which is arranged on the periphery of the 'mouth' type transparent baffle 15; the Z-shaped distributed optical fiber sensor 17 is embedded in the interlayer of the double-layer toughened laminated glass, and the end part of the Z-shaped distributed optical fiber sensor 17 is led out from the end part of the vibration reduction energy consumption cushion layer 16; the periphery is provided with a 'mouth' -shaped transparent baffle 15 of a 'water drop' -shaped vibration reduction energy dissipation cushion layer 16, the 'mouth' -shaped transparent baffle 15 is fixedly embedded among a 'U' -shaped vertical clamping groove 10 of the upright post 2, a 'U' -shaped horizontal clamping groove 13 of the upper cross beam 3 and a pre-buried 'U' -shaped horizontal clamping groove 14 of the wave prevention baffle base 5, and the periphery of the 'mouth' -shaped transparent baffle 15 is sealed by adopting expansion sealant, so that the elastic vibration reduction energy dissipation connection of the periphery of the 'mouth' -shaped transparent baffle 15 is realized.
In order to make the combination of each structure more stable and firm, and facilitate construction and maintenance, in the embodiment of the present application, the installation connection sequence and manner among the upright post base 1, the upright post 2, the upper beam 3, the anti-collision beam 4, the anti-wave baffle base 5 and the anti-wave baffle 6 may be: step 1, pre-burying a stand column base 1 and a wave-resistant baffle base 5 in a bridge deck curb 7; step 2, the upright post 2 is fixedly connected with the upright post base 1 and is vertically arranged on the bridge deck curb 7; step 3, after the left side and the right side of the wave-resistant baffle 6 are aligned with the upper ends of the U-shaped vertical clamping grooves 10 of the upright posts 2, the wave-resistant baffle is inserted from top to bottom until the bottom of the wave-resistant baffle 6 is inserted into the pre-buried U-shaped horizontal clamping grooves 14; step 4, the U-shaped horizontal clamping groove 13 of the upper cross beam 3 is aligned and inserted with the top of the wave-resistant baffle 6; step 5, the connection gap between the wave-resistant baffle 6 and the U-shaped vertical clamping groove 10, the U-shaped horizontal clamping groove 13 and the pre-buried U-shaped horizontal clamping groove 14 is sealed by expansion sealant; step 6, the upper cross beam 3 is fixedly connected between the upright posts 2 through a first connecting piece 9 in a bolting way; and step 7, the anti-collision cross beam 4 is vertically fixed on the upright post 2 through bolting connection of the second connecting piece 11.
The materials of the upright post 2, the upper cross beam 3 and the anti-collision cross beam 4 can be heavy-duty coated alloy steel, and the materials of the upright post base 1 and the wave-resistant baffle base 5 can be heavy-duty coated alloy steel or cast steel.
Referring to fig. 6, it should be further noted that the "water drop" shaped damping and energy dissipation cushion layer 16 at the top and bottom of the wave-resistant baffle 6 has a three-layer structure, and the three layers are respectively from inside to outside: the inner rubber layer 18, the middle soft steel layer 19 and the outer rubber layer 20, wherein the inner rubber layer 18 is made of a thick corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' -shaped outer contour, the inner surface of the inner rubber layer is firmly adhered to the 'mouth' -shaped transparent baffle 15, the outer surface of the inner rubber layer is firmly adhered to the middle soft steel layer 19, and the inner rubber layer is subjected to the pre-pressure of 0.1-1 kPa applied to the middle soft steel layer 19; the middle soft steel layer 19 is of equal-thickness alloy steel with a 'water drop' -shaped outer contour, the thickness t1 of the alloy steel is 2-3 mm, and the surface of the alloy steel is subjected to heavy-duty coating; the outer rubber layer 20 is made of a constant-thickness corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' shaped outer contour, the thickness t2 of the rubber material is 1-2 mm, the inner surface of the rubber material is firmly adhered with the middle soft steel layer 19, and the outer surface of the rubber material is vulcanized; the structure of the 'water drop' type damping and energy dissipating cushion layer 16 at both sides of the wave-resistant barrier 6 is different from the structures at the top and bottom in that there is no outer rubber layer 20 at both sides.
Referring to fig. 6 and 7, in order to facilitate the manufacture of the wave-preventing baffle 6 and ensure the self strength of the wave-preventing baffle 6 and the connection performance with other components, in the embodiment of the present application, the thickness of the "mouth" shaped transparent baffle 15 is t3, the lateral maximum thickness of the "drop" shaped vibration-damping and energy-dissipating cushion layer 16 is ts, the height is hs, the clear widths of the "U" shaped vertical clamping groove 10, the "U" shaped horizontal clamping groove 13 and the pre-buried "U" shaped horizontal clamping groove 14 are d, the clear depth of the groove is h, and t3 is greater than or equal to 24mm, ts is greater than or equal to 8mm, hs is greater than or equal to 30mm, d=t3+2×ts+Δ, h=hs- Δ, Δ is the installation error, and Δ=3-5 mm.
In addition, in order to ensure the wave-proof effect of the wave-proof baffle 6, the impact pressure p > C of the "mouth" shaped transparent baffle 15 s p 0 Wherein, the method comprises the steps of, wherein,C s as a safety factor, C s ≥1.2，p 0 Is the wave slapping pressure, ρ is the sea water mass density, C pa For space slapping pressure coefficient, C pa More than or equal to 2 pi; v is the relative normal velocity between the wave and the surface of the "mouth" shaped transparent baffle 15; the height H of the wave-resistant baffle 6 is more than C s H 0 Wherein H is 0 Is the wave climbing height of the bridge deck curb 7 position.
In addition, considering the impact force of waves, the arrangement interval D of the upright posts 2 along the bridge direction should consider the overall stress requirement of the guardrail under the action of the slapping of waves and meet the anti-collision stress requirement.
The main body structure of the wave-resistant baffle adopts double-layer toughened laminated glass, the periphery of the wave-resistant baffle adopts a 'water drop' -shaped vibration-damping energy-consuming cushion layer, the 'water drop' -shaped vibration-damping energy-consuming cushion layer is embedded and fixed among a U-shaped vertical clamping groove of a stand column, a U-shaped horizontal clamping groove of an upper cross beam and a pre-embedded U-shaped horizontal clamping groove of a wave-resistant baffle base, and is sealed by adopting expansion sealant, so that the structure of combined connection of the high-strength wave-resistant baffle and the high-damping elastic vibration-damping energy-consuming materials around is realized, and the structure has excellent vibration-damping, energy-consuming and noise-eliminating effects on repeated impact of waves, and has good durability and good fatigue resistance; the Z-shaped distributed optical fiber sensor is arranged in the double-layer toughened laminated glass of the wave-resistant baffle, the sensor is just positioned on the central shaft of the double-layer toughened laminated glass, two sides of the sensor are clung to the double-layer toughened laminated glass, the deformation and stress conditions of the double-layer toughened laminated glass under the repeated wave attack action can be accurately perceived, the sensor is safely protected and geometrically positioned by the laminated layer, the novel structure can conveniently and accurately measure the wave force and the distribution of the overtravel wave, and the sensor is protected by the laminated layer and the double-layer toughened laminated glass, so that the durability is good; the wave-proof baffle plate, the upright post, the upper cross beam and the wave-proof baffle plate base form a light-transmitting and water-proof wave-proof barrier for outside waves, and meanwhile, the anti-proof cross beam, the upper cross beam and the upright post form an anti-proof barrier for an inside vehicle; the wave-resistant baffle is connected with the upright post, the upper cross beam and the wave-resistant baffle base in an embedded mode, the anti-collision cross beam is connected with the upright post through bolts, and the wave-resistant baffle is convenient to construct, maintain and good in economical efficiency.
Unless otherwise known, numerical parameters set forth herein are approximations that may vary depending upon the desired properties sought to be obtained by the present disclosure. In particular, all numbers expressing quantities of ingredients, reaction conditions, and so forth used in the present application are to be understood as being modified in all instances by the term "about". In general, the meaning of expression is meant to include a variation of + -10% in some embodiments, a variation of + -5% in some embodiments, a variation of + -1% in some embodiments, and a variation of + -0.5% in some embodiments by a particular amount.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in the application. The singular reference of "a", "an", and "the" preceding an element does not exclude the plural reference of such elements.
The use of ordinal numbers such as "first," "second," "third," etc., in the context of the present application to modify a corresponding element does not by itself connote any ordinal number of elements, nor does it represent the order in which a particular element is joined to another element or the order in which it is manufactured, but rather the ordinal numbers are used merely to distinguish one element having a particular name from another element having a same name.
While the foregoing is directed to embodiments of the present application, other and further details of the application may be had by the present application, it should be understood that the foregoing description is merely illustrative of the present application and that no limitations are intended to the scope of the application, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the application.
Claims (9)
1. A deck wave and bump barrier for a cross-sea bridge, comprising: n upright post bases (1), N upright posts (2), N-1 upper cross beams (3), M rows of anti-collision cross beams (4), N-1 wave-resistant baffle bases (5) and N-1 wave-resistant baffles (6), wherein M, N are natural numbers, N is more than or equal to 2, M is more than 1,
the upright post base (1) is a thick steel plate with a shape of a mouth, the bottom of the thick steel plate is fixedly connected in a bridge deck curb (7), and the top of the thick steel plate is used for installing an upright post (2);
the upright (2) comprises: a straight column (8) with a cross section of an opening shape or a round chamfer opening shape at the periphery is vertically arranged at the top of the upright column base (1); a first connecting piece (9) arranged on the column surface of the upright post (2) opposite to the forward bridge direction; the U-shaped vertical clamping groove (10) is arranged on the opposite cylindrical surfaces of the upright post (2) along the bridge direction and is positioned at the lower part of the first connecting piece (9); m second connecting pieces (11) which are arranged on the cylindrical surface of the transverse bridge of the upright post (2) facing the vehicle side;
the upper cross member (3) includes: a cross beam (12) of "mouth" or "rounded-around" cross section, which is fixed between at least two uprights (2) by means of a first connecting piece (9); the U-shaped horizontal clamping groove (13) is arranged on the central line of the lower surface of the cross beam (12) and is used for installing the top of the wave-resistant baffle (6);
the M rows of anti-collision cross beams (4) are vertically fixed on the two upright posts (2) through second connecting pieces (11);
the wave-resistant baffle base (5) is a connecting piece with a pre-buried U-shaped horizontal clamping groove (14) arranged at the top, the bottom of the wave-resistant baffle base is firmly arranged in the bridge deck curb (7), and two ends of the wave-resistant baffle base are smoothly connected with the U-shaped vertical clamping groove (10) of the upright post (2);
the wave shield (6) comprises: a "mouth" shaped transparent baffle (15); the water-drop-shaped damping energy dissipation cushion layer (16) is of a three-layer structure, and the water-drop-shaped damping energy dissipation cushion layer (16) is respectively from inside to outside: an inner rubber layer (18), a middle soft steel layer (19) and an outer rubber layer (20), wherein the inner rubber layer (18) is made of a thick corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' -shaped outer contour, the inner surface of the inner rubber layer is firmly adhered to the 'mouth' -shaped transparent baffle (15), the outer surface of the inner rubber layer is firmly adhered to the middle soft steel layer (19), and the inner rubber layer is subjected to 0.1-1 kPa precompression applied to the middle soft steel layer (19); the middle soft steel layer (19) is of equal-thickness alloy steel with a 'water drop' -shaped outer contour, the thickness t1 of the alloy steel is 2-3 mm, and the surface of the alloy steel is subjected to heavy corrosion prevention coating; the outer rubber layer (20) is made of a constant-thickness corrosion-resistant viscoelastic high-damping rubber material with a 'water drop' -shaped outer contour, the thickness t2 of the rubber material is 1-2 mm, the inner surface of the rubber material is firmly adhered with the middle soft steel layer (19), and the outer surface of the rubber material is vulcanized;
the water drop type vibration reduction energy dissipation cushion layers (16) at the two sides of the wave prevention baffle (6) are respectively an inner layer rubber layer (18) and a middle soft steel layer (19) from inside to outside;
and the end part of the Z-shaped distributed optical fiber sensor (17) is led out from the end part of the water drop-shaped vibration reduction energy dissipation cushion layer (16).
2. The bridge deck wave-resistant and collision-resistant guardrail according to claim 1, wherein in the M rows of collision-resistant beams (4), each row of collision-resistant beams (4) consists of steel beams with multi-section 'mouth' -shaped or 'round chamfer mouth' -shaped cross sections, and adjacent steel beams are firmly connected between upright posts (2) through joint connectors.
3. The bridge deck wave and crash barrier of claim 1 wherein the "mouth" shaped transparent baffle (15) is a double layer toughened laminated glass having a laminated layer which protects and geometrically positions the "Z" shaped distributed optical fiber sensor (17) which is distributed within the double layer toughened laminated glass laminated layer.
4. A bridge deck wave and collision protection fence according to claim 3, wherein the thickness of the laminated layer is 1-3 mm, the Z-shaped distributed optical fiber sensor (17) is positioned on the central axis of the double-layer toughened laminated glass, and two sides of the Z-shaped distributed optical fiber sensor are clung to the double-layer toughened laminated glass.
5. The bridge deck wave-resistant and collision-resistant guardrail according to claim 1, wherein the 'mouth' -shaped transparent baffle (15) is embedded and fixed among the 'U' -shaped vertical clamping groove (10) of the upright post (2), the 'U' -shaped horizontal clamping groove (13) of the upper cross beam (3) and the embedded 'U' -shaped horizontal clamping groove (14) of the wave-resistant baffle base (5) and is sealed by adopting expansion sealant, so that the elastic vibration reduction and energy consumption connection around the 'mouth' -shaped transparent baffle (15) is realized.
6. The bridge deck wave-resistant and anti-collision guardrail according to claim 1, wherein the thickness of the ' mouth ' -shaped transparent baffle (15) is t3, the lateral maximum thickness of the ' drop ' -shaped ' vibration-damping energy-consuming cushion layer is ts, the height is hs, the net widths of the ' U ' -shaped vertical clamping groove, the ' U ' -shaped horizontal clamping groove and the embedded ' U ' -shaped horizontal clamping groove are d, the net depth in the groove is h, t3 is more than or equal to 24mm, ts is more than or equal to 8mm, hs is more than or equal to 30mm, d=t3+2×ts+Δ, h=hs- Δ, Δ is an installation error, and Δ=3-5 mm.
7. Bridge deck wave and bump protection fence according to claim 1, wherein the impact pressure p > C of the "mouth" shaped transparent barrier (15) s p 0 Wherein C s As a safety factor, C s ≥1.2；p 0 Is the wave slapping pressure, ρ is the sea water mass density, C pa For space slapping pressure coefficient, C pa And the relative normal speed between the wave and the surface of the 'mouth' -shaped transparent baffle plate (15) is equal to or more than 2 pi and v.
8. Bridge deck wave and crash barrier according to claim 1, wherein the height H > C of the wave barrier (6) s H 0 Wherein H is 0 Is the wave climbing height of the position of the bridge deck curb (7).
9. The deck wave and bump guard rail of claim 1 wherein:
the first connecting piece (9) and the second connecting piece (11) are L-shaped connecting pieces with bolt holes and bolts; and/or
The materials of the upright post (2), the upper cross beam (3) and the anti-collision cross beam (4) are alloy steel for heavy corrosion prevention coating, and the materials of the upright post base (1) and the wave-resistant baffle base (5) are alloy steel or cast steel for heavy corrosion prevention coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275770.5A CN108301323B (en) | 2018-03-29 | 2018-03-29 | Bridge deck wave-proof anti-collision guardrail of cross-sea bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275770.5A CN108301323B (en) | 2018-03-29 | 2018-03-29 | Bridge deck wave-proof anti-collision guardrail of cross-sea bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108301323A CN108301323A (en) | 2018-07-20 |
| CN108301323B true CN108301323B (en) | 2023-08-22 |
Family
ID=62847980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810275770.5A Active CN108301323B (en) | 2018-03-29 | 2018-03-29 | Bridge deck wave-proof anti-collision guardrail of cross-sea bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301323B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113047B (en) * | 2018-08-15 | 2021-02-19 | 广东博智林机器人有限公司 | Sheet pile wall enclosure structure |
| CN113957787A (en) * | 2021-12-06 | 2022-01-21 | 中交公路长大桥建设国家工程研究中心有限公司 | Semi-assembly type concrete guardrail and mounting method thereof |
| CN114934474B (en) * | 2022-05-13 | 2023-07-14 | 福建省水利水电科学研究院 | Self-adaptive wave wall |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0800174D0 (en) * | 2008-01-07 | 2008-02-13 | Hitchcock John C | Wave defence barrier |
| JP2010261165A (en) * | 2009-04-30 | 2010-11-18 | Nishimatsu Constr Co Ltd | Structure and construction method for temporarily installing incidental equipment in coastal work |
| CN201746811U (en) * | 2010-07-05 | 2011-02-16 | 中国水电顾问集团华东勘测设计研究院 | Wave resistance and guardrail structure |
| KR101169689B1 (en) * | 2011-10-04 | 2012-08-06 | 김석문 | Breakwater structure |
| CN202925465U (en) * | 2011-12-26 | 2013-05-08 | 上海市政交通设计研究院有限公司 | Anti-collision bridge guardrail capable of preventing container from overturning |
| CN202969269U (en) * | 2012-12-21 | 2013-06-05 | 刘付成 | Highway bridge anti-collision guardrail |
| CN103215916A (en) * | 2013-04-15 | 2013-07-24 | 上海市水利工程设计研究院有限公司 | Wave-dissipating cavity |
| KR20160108969A (en) * | 2015-03-09 | 2016-09-21 | 삼성물산 주식회사 | A Temporary Bridge Having Truss-Type Barrier |
| CN206219984U (en) * | 2016-11-01 | 2017-06-06 | 郑州大学 | A kind of road and bridge safety collision-protection device |
| CN208533361U (en) * | 2018-03-29 | 2019-02-22 | 中交公路长大桥建设国家工程研究中心有限公司 | The bridge floor wave resistance anticollision barrier of Oversea bridge |
-
2018
- 2018-03-29 CN CN201810275770.5A patent/CN108301323B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0800174D0 (en) * | 2008-01-07 | 2008-02-13 | Hitchcock John C | Wave defence barrier |
| JP2010261165A (en) * | 2009-04-30 | 2010-11-18 | Nishimatsu Constr Co Ltd | Structure and construction method for temporarily installing incidental equipment in coastal work |
| CN201746811U (en) * | 2010-07-05 | 2011-02-16 | 中国水电顾问集团华东勘测设计研究院 | Wave resistance and guardrail structure |
| KR101169689B1 (en) * | 2011-10-04 | 2012-08-06 | 김석문 | Breakwater structure |
| CN202925465U (en) * | 2011-12-26 | 2013-05-08 | 上海市政交通设计研究院有限公司 | Anti-collision bridge guardrail capable of preventing container from overturning |
| CN202969269U (en) * | 2012-12-21 | 2013-06-05 | 刘付成 | Highway bridge anti-collision guardrail |
| CN103215916A (en) * | 2013-04-15 | 2013-07-24 | 上海市水利工程设计研究院有限公司 | Wave-dissipating cavity |
| KR20160108969A (en) * | 2015-03-09 | 2016-09-21 | 삼성물산 주식회사 | A Temporary Bridge Having Truss-Type Barrier |
| CN206219984U (en) * | 2016-11-01 | 2017-06-06 | 郑州大学 | A kind of road and bridge safety collision-protection device |
| CN208533361U (en) * | 2018-03-29 | 2019-02-22 | 中交公路长大桥建设国家工程研究中心有限公司 | The bridge floor wave resistance anticollision barrier of Oversea bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108301323A (en) | 2018-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108301323B (en) | Bridge deck wave-proof anti-collision guardrail of cross-sea bridge | |
| US20070086858A1 (en) | Shallow mounted fixed vehicle barrier device | |
| CN101538828B (en) | Floating type composite material pier energy dissipation and collision prevention combined device | |
| JP4735223B2 (en) | Reinforcement structure of existing wall body | |
| CN106835977A (en) | A kind of anticollision barrier of precast assembly | |
| CN101748694A (en) | Energy dissipation and vibration reduction rolling rock shed-tunnel structure with assembled lightweight steel structure | |
| CN102094395A (en) | Sound-absorbing plate of cement sound barrier | |
| CN103154398B (en) | Roof panel spacer | |
| CN208533361U (en) | The bridge floor wave resistance anticollision barrier of Oversea bridge | |
| CN109577249A (en) | A kind of non-newtonian fluid anticollision barrier | |
| CN203144898U (en) | Bridge crash barrier | |
| CN111125823B (en) | Design method of steel guardrail | |
| KR100881770B1 (en) | A method construction for expansion and connection storage bridge expansion connector | |
| CN104313995B (en) | Three-way composite limiting device | |
| CN215252300U (en) | Sectional combined type damping and noise reducing bridge expansion device | |
| CN207017154U (en) | A kind of bridge wall type anti-collision guardrail | |
| CN110067221A (en) | A kind of combined type traffic guardrail | |
| CN115748986A (en) | Adopt two assembled concrete frame structure of accuse beam column node of vibration isolation shock attenuation | |
| CN214301219U (en) | Bridge with anti-seismic pins | |
| CN212771914U (en) | Curved surface shock absorption and noise reduction telescopic device for highway bridge | |
| CN113279409A (en) | Structural system integrating inner support and vertical vibration reduction of foundation pit | |
| CN201649003U (en) | Active powder concrete column and steel pipe combination rail structure | |
| CN209211491U (en) | Steel-concrete combined structure wall and the spelling more cabin underground pipe galleries of cabin formula | |
| CN107558354B (en) | Four-main-truss split-type plate truss and box truss combined main beam provided with tuyere | |
| CN217267494U (en) | Structural system integrating inner support and vertical vibration reduction of foundation pit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |