CN107587476B - Wave-blocking wall with prefabricated reverse arc olecranon structure and design and construction method thereof - Google Patents
Wave-blocking wall with prefabricated reverse arc olecranon structure and design and construction method thereof Download PDFInfo
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Abstract
The invention relates to a wave wall with a prefabricated reverse arc olecranon structure and a design and construction method thereof, wherein the wave wall comprises a wave wall and a prefabricated reverse arc olecranon structure unit, the water-facing surface of the prefabricated structure unit is of an arc structure, the upper part of the water-facing surface of the prefabricated structure unit is provided with a grouting hole, a grouting seam is arranged below the grouting hole, the bottom and two sides of the water-facing surface of the prefabricated structure unit are provided with grout stopping strips, and the top of the prefabricated structure unit is provided with an installation hoisting point; the back of the body surface of prefabricated constitutional unit and the upstream surface of wave wall are equipped with the buckle component of mutually supporting respectively, and prefabricated constitutional unit passes through the buckle component to be installed on the upstream surface of wave wall, and through the grout hole to grout in the grout joint and the installation clearance of anti-arc olecranon constitutional unit and wave wall, pass through bar planting fixed mounting counter weight structure at the back of the body surface of wave wall. The prefabricated reverse arc olecranon structure and the wave blocking wall are assembled by adopting prefabricated components, so that wet operation can be reduced on a construction site, time and labor are saved, and the construction cost of a project can be reduced.
Description
The technical field is as follows:
the invention relates to the field of disaster prevention and reduction design of hydraulic engineering, in particular to a wave-retaining wall with a prefabricated reverse arc olecranon structure and a design and construction method thereof.
Background art:
the seawall is one of the contents of seawall construction for realizing the damp-proof safety of seawall, and is located on the side facing the tide above the road surface of the top of seawall, and is generally a vertical structure formed by filling mortar rock or concrete. The design of the sea wall for blocking tide and preventing wave height is mainly determined by parameters such as the designed tidal level, the wave climbing height and the wave overtopping amount. For a seawall in a specific area, the designed tidal level is a definite value, and how to reduce the wave climbing height and the wave overtopping amount becomes an important content for effectively and economically guaranteeing the safety of the seawall.
In terms of action mechanism, the wave climbing and overtopping control of the current sea wall are mainly divided into a direct type and an indirect type. The direct mode is mainly that a concrete special-shaped block is arranged in front of a dike, or members or structures such as a submerged dike are built, or a frame type structure is arranged, so that the wave energy is directly reduced to control or reduce the wave climbing height and the wave overtopping amount; the indirect method is mainly to set the tide facing surface of the seawall into a reverse arc structure, and the wave height and the wave overtopping amount after superposition and combination are reduced by the design principle that the phase difference of the forward tide wave and the reverse tide wave is controlled to be 180 degrees as much as possible.
When the reverse arc-shaped structure is arranged on the repaired wave-blocking wall to reduce the wave-crossing amount, the concrete veneering treatment is carried out on the wave-blocking wall and the lower part, and the reverse arc-shaped structure is made at the position of the wave-blocking wall. The construction mode has some defects in engineering practice, such as the problems of complicated working procedures, long construction period and high construction cost caused by the fact that the faced concrete on the tide side is cast in place.
The invention content is as follows:
in view of the defects in the prior art, the invention provides the wave-blocking wall with the prefabricated reverse arc olecranon structure, the assembly type installation is realized through the buckle components arranged on the reverse arc olecranon structure and the wave-blocking wall, the safety and the stability of the reverse arc olecranon structure can be ensured, and the construction period for reinforcing the wave-blocking wall is greatly shortened.
In order to achieve the above purpose of the present invention, the technical scheme adopted by the present invention is as follows:
a wave wall with a prefabricated reverse arc olecranon structure comprises the wave wall and a prefabricated reverse arc olecranon structure unit, wherein the upstream surface of the prefabricated structure unit is of an arc structure, the upper part of the back surface of the prefabricated structure unit is provided with a grouting hole, a grouting seam is arranged below the grouting hole, the bottom and two sides of the back surface of the prefabricated structure unit are provided with grout stopping strips, and the top of the prefabricated structure unit is provided with an installation lifting point; the back of the body surface of prefabricated constitutional unit and the upstream surface of wave wall are equipped with the buckle component of mutually supporting respectively, and prefabricated constitutional unit passes through the buckle component to be installed on the upstream surface of wave wall, and through the grout hole to grout in the grout joint and the installation clearance of anti-arc olecranon constitutional unit and wave wall, pass through bar planting fixed mounting counter weight structure at the back of the body surface of wave wall.
The prefabricated structural units are formed by pouring concrete in advance, and the lower ends of the installation hoisting points are anchored by penetrating anchoring parts into the concrete.
And the side surface of the prefabricated structure unit is provided with an asphalt filling hole and a grout stopping strip.
The grout stopping strip is a semicircular rubber strip.
The counterweight structure is formed by casting concrete in situ, and is connected with the wave-blocking wall into an integral structure through the bar planting on the back surface of the wave-blocking wall; or the counterweight structure adopts a prefabricated box-type structure, the prefabricated box-type structure and the wave blocking wall are connected into an integral structure through the planting ribs on the back surface of the wave blocking wall, the prefabricated box-type structure is designed and installed in an underlying structure, planting soil is filled in the prefabricated box-type structure, and green plants are planted in the planting soil.
The invention also provides a design and construction method of the wave wall with the prefabricated reverse arc olecranon structure, which comprises the following steps:
(1) The method comprises the following steps of improving a reverse arc olecranon structure of an original wave-blocking wall, analyzing the anti-inclination stable stress of the structure, further determining the size and the weight of the reverse arc olecranon structure and a counterweight structure, and determining a design scheme of the counterweight structure;
(2) The reverse arc olecranon structure unit is prefabricated in advance in a factory, and fastening components are arranged on the back water surface of the reverse arc olecranon structure unit and the upstream surface of the original wave wall in advance;
(3) During construction, the counter weight structure is fixed on the back surface of the wave wall by the embedded bars, the reverse arc olecranon structure is hoisted to the installation position of the wave wall, the buckle component on the back surface of the reverse arc olecranon structure is accurately hung and buckled with the buckle component on the upstream surface of the wave wall, grouting is carried out in the grouting joint and the installation gap between the reverse arc olecranon structure unit and the wave wall through the grouting hole, and the reverse arc olecranon structure is fixed on the upstream surface of the wave wall.
In the content (1) of the design construction method, the anti-overturning analysis calculation formula of the improved structure of the wave wall is as follows:
wherein, sigma M V ＝G 3 b 3 +G 1 b 1 ，∑M H ＝G 2 b 2 +P Grain c，
The parameters in the above formula are defined as follows:
K 0 -anti-tipping stability safety factor;
M V -anti-overturning moment (kN · m);
M H -overturning moment (kN · m);
g1, G2 and G3 are the gravity of a wave wall, a reverse arc olecranon structure and a counterweight structure respectively;
b1, b2 and b3 are respectively the force arms of the gravity pair overturning calculation points of the original wave-retaining wall, the reverse arc olecranon structure and the counterweight structure;
P grain The wave acting force applied to the front of the wave wall under the action of the wave trough;
c-arm of force of wave action force to the overturning calculation point.
The design is executedThe anchoring depth I of the embedded steel bars involved in the method S Calculated according to the following formula:
ls＝0.2α spt df y /f bd
in the formula: alpha is alpha spt -calculating coefficients for preventing concrete splitting referencing;
d-the nominal diameter (mm) of the planted bar;
f bd design value of adhesive shear strength (N/mm) of adhesive for bar planting 2 )；
f y Design value of tensile strength (N/mm) of steel bar for bar planting 2 )。
Install buckle component on wave wall and adopt the couple bar planting, predetermine position department drilling at wave wall upstream face at first, clear away downthehole ash, the lime-ash of leaving over again, at last to downthehole injecting glue, put into the drill way and slowly one-way screw in immediately the reinforcing bar after downthehole injecting glue, until the reinforcing bar stretches into at the bottom of the hole, fix a position on the roof beam die board after the reinforcing bar is planted, wait for the solidification that powerful bar planting glued.
When the planting bars are planted by HRB 335-grade steel bars, the concrete strength grade of the wave wall is not lower than C15; when the planted steel bars are planted by adopting HRB 400-grade steel bars, the concrete strength grade of the wave wall is not lower than C20; if the planted steel bars are planted by adopting HPB 235-grade steel bars, the diameter of the steel bars is not more than 12mm, and the concrete strength grade of the wave wall is not lower than C20.
The prefabricated reverse arc olecranon structure provided by the invention is prefabricated in a factory in advance, has a structure with controllable and more stable quality through standardized operation, and is assembled with a wave barrier by adopting prefabricated components on a construction site, so that the vertical mold wet method operation can be reduced, the time and labor are saved, the construction cost of a project can be reduced, and the prefabricated components for connection can be used for prefabricating structures with different shapes in the factory, so that the installation requirements of the reverse arc olecranon structure and irregular dike lines with different line types can be met.
The invention is further illustrated by the accompanying drawings and detailed description.
Description of the drawings:
FIG. 1 is a schematic structural view of a standard reverse arc olecranon structural unit (type A);
FIG. 2 is a schematic structural view of an inverted arc olecranon structural unit (type B) used at an expansion joint;
FIG. 3 is a schematic view of a wave wall structure using an overhead counterweight structure;
FIG. 4 is a schematic view of a wave wall structure using a bottom counterweight structure;
FIG. 5 is a schematic structural view of a wave wall using an L-shaped counterweight structure;
fig. 6 is an analysis schematic diagram of the anti-overturning stable stress of the improved structure of the wave-retaining wall.
The specific implementation mode is as follows:
the prefabricated reverse arc olecranon structure provided by the invention can be divided into two structures according to different installation positions, wherein one structure is called a standard prefabricated structure unit (A type for short) as shown in figure 1, and the other structure is used for an expansion joint position (B type for short) as shown in figure 2. Both type a and type B are prefabricated in advance in a factory into prefabricated structural units 1 using concrete structures.
The prefabricated structural unit 1 is made of C20 concrete, and its water-facing surface is designed as an arc-shaped structure, and the angle of the reverse arc is 90 °. The surface of a back side of prefabricated construction unit 1 is equipped with buckle component, and this buckle component can be link 3, and then correspond the buckle component of installing on 6 upstream faces of wave wall and just be couple 2, perhaps also can exchange buckle component on the two, set the couple to on prefabricated construction unit 1, set the link to on the wave wall 6, as long as can carry out the joint assembly with anti-arc olecranon structure and wave wall 6 can. For the prefabricated structure unit of the type A, the length of the prefabricated structure unit is designed to be 1.5 meters, and in order to enhance the installation stability of the prefabricated structure unit, the hanging rings 3 are specially arranged into two rows, and the hanging rings 3 in each row are longitudinally spaced by 0.75 meter. The upper part of the back surface of the prefabricated structure unit 1 is provided with a grouting hole 8, a grouting joint 4 is arranged below the grouting hole 8, and the width of the grouting joint 4 is set to be 5 cm in the embodiment. For the A-type prefabricated structure unit, two grouting holes 8 are respectively arranged above each row of hanging rings 3, and the aperture of each grouting hole 8 is set to be 6-8 cm. Still need set up at the bottom and both sides of prefabricated construction unit 1 surface of a backwater and end thick liquid strip 9, end thick liquid strip 9 and adopt the diameter to be the semicircle rubber strip of 3 centimetres, end the effect of thick liquid strip 9 and prevent to leak thick liquid. In order to facilitate the installation of the prefabricated structure unit 1 and the wave-retaining wall 6, an installation lifting point 5 is further arranged at the top of the prefabricated structure unit 1, the lower end of the installation lifting point 5 needs to be anchored by an anchoring part which is inserted into the concrete, the installation lifting point 5 is prevented from being pulled out when the prefabricated structure unit 1 is hoisted, and the anchoring length is generally not less than 30 times of the diameter of the anchoring part.
For B type prefabricated construction unit, further set up on the basis of A type structure, be equipped with in the side of B type prefabricated construction unit and irritate pitch hole 10, irritate pitch hole 10 and can set up two along the side, the aperture is 5 centimetres, leaks the thick liquid when preventing to irritate pitch, still sets up at the side edge that sets up irritate pitch hole 10 and ends thick liquid strip 9, pours high temperature pitch through the pitch hole 10 of irritating that reserves to reach the adaptation and warp and prevent the effect of seepage.
The thickness of the olecranon outer side of the prefabricated structural unit 1 designed in this embodiment is 20-30 cm, and the width of the bottom end can be actually determined according to the joint surface (generally, not less than 50 cm). No matter the type a prefabricated structural unit or the type B prefabricated structural unit is installed on the wave wall 6, the prefabricated structural unit is assembled by combining a plurality of units. During assembly, the gap between the back side of the prefabricated structure unit 1 and the upstream side of the wave-blocking wall 6 is not more than 5 cm, and the gap between the units is controlled to be 0.05-0.1 cm.
The prefabricated structure unit 1 is installed on the upstream surface of the already-built wave-retaining wall 6, so that the wave-retaining wall with the reverse arc olecranon structure provided by the invention is formed (as shown in fig. 3). In order to facilitate the assembly of the prefabricated structural unit 1, a fastening member needs to be fixedly installed on the upstream surface of the wave wall 6, the fastening member is matched with the fastening member on the prefabricated structural unit 1, in the embodiment, the prefabricated structural unit 1 is provided with a hanging ring 3, the wave wall 6 is provided with a hook 2, the prefabricated structural unit 1 is lifted to a preset installation position by using large-scale lifting equipment, and the hanging ring 3 on the prefabricated structural unit 1 is accurately hung and buckled on the hook 2. Since the wave wall 6 is generally already built, the hook 2 needs to be installed on the wave wall 6 by means of bar planting. After the prefabricated structure units 1 are connected with the wave-retaining walls 6 in the above mode, the prefabricated structure units 1 are tightly fixed with the wave-retaining walls 6 by inserting the guide pipes into the grouting holes 8 and uniformly pouring concrete from bottom to top.
When the original wave-blocking wall 6 is reinforced and installed by the reverse arc olecranon structure, the wave-blocking wall 6 must be improved, the anti-inclination stability calculation is carried out, and a counterweight structure 7 meeting the design requirement and a reasonable installation mode are designed. The counterweight structure 7 is mainly fixed on the back water surface of the wave-blocking wall 6 through the embedded bars 11. The installation of the counterweight structure 7 can be divided into an upper-type structure shown in fig. 3, a lower-type structure shown in fig. 4, and a design of the counterweight structure into an L-shaped structure shown in fig. 5. The counterweight structure 7 can be divided into a cast-in-place mode and a prefabrication mode in the aspect of construction technology. When the counterweight structure 7 adopts a prefabricated structure, the counterweight structure 7 can be combined by adopting a plurality of units, the length of each counterweight structure unit is generally 3 meters, and the distance between the units is set according to 0.05-0.1 centimeter. When the counterweight structure 7 adopts the cast-in-place mode, the length of the counterweight structure unit can be designed to be consistent with the length of the expansion joint of the wave-retaining wall 6, 10-12 meters is generally taken, the embedded bars 11 are arranged on the back surface of the wave-retaining wall 6 in a mode of 1.5 meters at intervals, and the counterweight structure 7 is formed by cast-in-place cement or concrete at the position where the embedded bars 11 are arranged. If the counterweight structure 7 is installed by adopting the underneath type structure shown in fig. 4, the counterweight structure can be made into a prefabricated box type structure in advance, the prefabricated box type structure is fixed on the back water surface of the wave-retaining wall 6 by using planting bars, planting soil 13 is filled in the prefabricated box type structure, and green plants 12 are planted in the planting soil 13.
By adopting the prefabricated assembly type reverse arc olecranon structure provided by the invention, the veneering treatment on the wave-blocking wall is omitted, a large amount of workload and materials are saved, and the construction cost can be reduced. The assembled structure can not only accelerate the construction period, but also play a role in meeting differential settlement and reserving expansion joints by installing a plurality of unit forms.
The design and construction method of the wave wall with the structure provided by the invention comprises the following steps:
(1) Firstly, the original wave-retaining wall 6 is subjected to structural improvement of a reverse arc olecranon structure to perform structural anti-inclination stable stress analysis, and then the size and weight of the reverse arc olecranon structure and the counterweight structure 7 are determined, and the counterweight scheme adopted by the counterweight structure 7 is determined.
The calculation formula of the anti-overturning analysis on the improved structure of the wave wall is as follows (as shown in figure 6):
wherein, sigma M V ＝G 3 b 3 +G 1 b 1 ，∑M H ＝G 2 b 2 +P Grain c，
The parameters in the above formula are defined as follows:
K 0 -anti-tilt stability safety factor;
M V -anti-overturning moment (kN · m);
M H -overturning moment (kN · m);
g1, G2 and G3 are the gravity of a wave wall, a reverse arc olecranon structure and a counterweight structure respectively;
b1, b2 and b3 are respectively the force arms of the gravity pair overturning calculation points of the original wave-retaining wall, the reverse arc olecranon structure and the counterweight structure;
P grain The wave acting force applied to the front of the wave wall under the action of the wave trough;
c-arm of force of wave action force to the overturning calculation point.
(2) The hook 2 is fixedly installed on the upstream surface of the wave wall 6 on the construction site in a bar planting mode. The hook 2 is implanted as follows: the drilling of position department is predetermine at former wave wall with the impact drill, the drill bit diameter should be greater than the reinforcing bar diameter about 5mm, leave behind downthehole ash, lime-ash in the clearance hole, to downthehole injecting glue promptly, in order to make the reinforcing bar implant the downthehole glue solution of back full, can not make the glue solution outflow again, the injecting glue reach 80% can, the downthehole should plant the muscle immediately after filling with glue, put into the drill way immediately the reinforcing bar that has handled through the rust cleaning, then slowly one-way screw in, can not midway reverse, until the reinforcing bar stretches into the hole bottom. After the steel bars are implanted, the steel bars can be positioned on the beam bottom template, and the steel bars can not be vibrated before the strong bar-planting glue is completely cured. The strong bar-planting glue can be cured at normal temperature, and the next procedure construction can be carried out after the curing time is specified in the glue specification. It is worth noting that when the planted steel bars are planted by HRB 335-grade steel bars, the concrete strength grade of the wave wall is not lower than C15; when HRB 400-grade steel bars are adopted for planting, the concrete of the wave-blocking wall is not lower than C20. If HPB 235-grade steel bars are required to be planted, the diameter of the steel bars is not more than 12mm, and the concrete strength grade of the wave wall is not lower than C20.
(3) During construction, the counter weight structure is fixed on the back surface of the wave wall by the embedded bars, the reverse arc olecranon structure is hoisted to the installation position of the wave wall, the buckle component on the back surface of the reverse arc olecranon structure is accurately hung and buckled with the buckle component on the upstream surface of the wave wall, grouting is carried out in the grouting joint and the installation gap between the reverse arc olecranon structure unit and the wave wall through the grouting hole, and the reverse arc olecranon structure is fixed on the upstream surface of the wave wall.
The anchor depth I of the embedded steel bars involved in the construction method S Calculated according to the following formula:
ls＝0.2α spt df y /f bd
in the formula: alpha is alpha spt -calculating coefficients for preventing concrete splitting referencing;
d-the nominal diameter (mm) of the planted bar;
f bd design value of adhesive shear strength (N/mm) of adhesive for bar planting 2 )；
f y Design value of tensile strength (N/mm) of steel bar for bar planting 2 )。
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent substitutions made by the technical solutions of the present invention by the ordinary skilled person in the art are included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A design and construction method of a wave wall with a prefabricated reverse arc olecranon structure is characterized in that: the prefabricated structure unit comprises a wave-retaining wall and a prefabricated reverse arc olecranon structure unit, wherein the water-facing surface of the prefabricated structure unit is of an arc-shaped structure, a grouting hole is formed in the upper part of the back surface of the prefabricated structure unit, a grouting seam is arranged below the grouting hole, grout stop strips are arranged at the bottom and two sides of the back surface of the prefabricated structure unit, and an installation hoisting point is arranged at the top of the prefabricated structure unit; the back water surface of the prefabricated structure unit and the upstream surface of the wave wall are respectively provided with a buckle component which is matched with each other, the prefabricated structure unit is installed on the upstream surface of the wave wall through the buckle component and grouted into the grouting joint and the installation gap between the reverse arc olecranon structure unit and the wave wall through the grouting hole, and the counterweight structure is fixedly installed on the back water surface of the wave wall through the embedded steel bars;
the design construction method comprises the following steps of,
(1) The method comprises the following steps of improving a reverse arc olecranon structure of an original wave-blocking wall, analyzing the anti-inclination stable stress of the structure, further determining the size and the weight of the reverse arc olecranon structure and a counterweight structure, and determining a design scheme of the counterweight structure;
(2) The reverse arc olecranon structure unit is prefabricated in a factory in advance, and fastening components are arranged on the back surface of the reverse arc olecranon structure unit and the upstream surface of the original wave-retaining wall in advance;
(3) During construction, the counterweight structure is fixed on the back water surface of the wave wall by using embedded bars, then the reverse arc olecranon structure is hoisted to the installation position of the wave wall, a buckle component on the back water surface of the reverse arc olecranon structure is accurately hung and buckled with a buckle component on the upstream surface of the wave wall, grouting is carried out in a grouting joint and in the installation gap between the reverse arc olecranon structure unit and the wave wall through a grouting hole, and the reverse arc olecranon structure is fixed on the upstream surface of the wave wall;
the anchor depth I of the embedded steel bars involved in the design and construction method S Calculated according to the following formula,
I S ＝0.2α spt df y /f bd
in the formula: alpha is alpha spt -calculating coefficients for preventing concrete splitting referencing;
d-the nominal diameter (mm) of the planted bar;
f bd design value of adhesive shear strength (N/mm) of adhesive for bar planting 2 )；
f y Design value of tensile strength (N/mm) of steel bar for bar planting 2 )。
2. The method for designing and constructing a wave wall provided with a prefabricated reverse arc olecranon structure according to claim 1, wherein: the prefabricated structural units are formed by pouring concrete in advance, and the lower ends of the installation hoisting points are anchored by penetrating anchoring parts into the concrete.
3. The method for designing and constructing a wave wall provided with a prefabricated reverse arc olecranon structure according to claim 1, wherein: and the side surface of the prefabricated structure unit is provided with an asphalt filling hole and a grout stopping strip.
4. The method for designing and constructing a wave wall provided with a prefabricated reverse arc olecranon structure according to claim 1, wherein: the grout stopping strip is a semicircular rubber strip.
5. The method for designing and constructing a wave wall provided with a prefabricated reverse arc olecranon structure according to claim 1, wherein: the counterweight structure is cast in place by adopting concrete, and is connected with the wave-blocking wall into an integral structure through the embedded bars on the back surface of the wave-blocking wall; or the counterweight structure adopts a prefabricated box structure, the prefabricated box structure and the wave blocking wall are connected into an integral structure through the planting ribs on the back surface of the wave blocking wall, the prefabricated box structure is designed and installed to adopt a lower structure, planting soil is filled in the prefabricated box structure, and green plants are planted in the planting soil.
6. The design and construction method of the wave-retaining wall with the prefabricated reverse arc olecranon structure according to claim 1, characterized in that: in the content (1) of the design construction method, the anti-overturning analysis calculation formula of the improved structure of the wave wall is as follows:
wherein，∑M V ＝G 3 b 3 +G 1 b 1 ，∑M H ＝G 2 b 2 +P Grain c，
The parameters in the above formula are defined as follows:
k0-anti-tilt stability safety coefficient;
MV — overturning moment (kN · m);
MH-overturning moment (kN m);
g1, G2 and G3 are the gravity of a wave wall, a reverse arc olecranon structure and a counterweight structure respectively;
b1, b2 and b3 are respectively the force arms of the gravity pair overturning calculation points of the original wave-retaining wall, the reverse arc olecranon structure and the counterweight structure;
the P valley is the wave acting force borne by the front of the wave blocking wall under the action of the wave trough;
c-arm of force of wave action force to the overturning calculation point.
7. The method for designing and constructing a wave wall provided with a prefabricated reverse arc olecranon structure according to claim 1, wherein: the buckle component installed on the wave wall adopts the hook to plant the rib, and the position department drilling is preset on the upstream face of the wave wall at first, and ash and slag left over in the hole are removed again, and finally to downthehole injecting glue, put into the drill way and slowly one-way screw in the reinforcing bar immediately after downthehole being filled with glue, until the reinforcing bar stretches into the hole bottom, fix a position on the roof beam die plate after the reinforcing bar is implanted, wait for the solidification that powerful bar planting glued.
8. The design and construction method of the wave-stopping wall with the prefabricated reverse arc olecranon structure according to claim 7, characterized in that: when the planted steel bars are planted by adopting HRB 335-grade steel bars, the concrete strength grade of the wave wall is not lower than C15; when the planted steel bars are planted by adopting HRB 400-grade steel bars, the concrete strength grade of the wave wall is not lower than C20; if the planted bars are planted by adopting HPB 235-grade steel bars, the diameter of the steel bars is not more than 12mm, and the concrete strength grade of the wave wall is not lower than C20.
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| CN204000748U (en) * | 2014-08-12 | 2014-12-10 | 中国路桥工程有限责任公司 | Fill out the wave wall structure under Haiti district complex geological condition |
| CN204282292U (en) * | 2014-11-21 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of wave wall structure reducing wave run-up |
| CN207277280U (en) * | 2017-09-04 | 2018-04-27 | 浙江省水利河口研究院 | A kind of prefabricated anti-arc eagle mouth structure and the wave wall equipped with anti-arc eagle mouth structure |
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| CN202767289U (en) * | 2012-08-10 | 2013-03-06 | 山东万斯达建筑科技有限公司 | Building wallboard hanging piece |
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| CN204000748U (en) * | 2014-08-12 | 2014-12-10 | 中国路桥工程有限责任公司 | Fill out the wave wall structure under Haiti district complex geological condition |
| CN204282292U (en) * | 2014-11-21 | 2015-04-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of wave wall structure reducing wave run-up |
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| CN107587476A (en) | 2018-01-16 |
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