JP2016000958A - Construction method of earthquake resistant tide prevention dike by banking reinforcement soil wall construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method of an earthquake resistant tide prevention dike by a banking reinforcement soil wall construction method of high rigidity, for breaking only a wave-return work so that the whole tide embankment does not reach crushing breakage, by integrating a dike body banking and three-sided sticking concrete works of a surface slope face covering work having a wave-return work, a top end covering work and a reverse slope face covering work.SOLUTION: A construction method of a tide prevention dike by a banking reinforcement soil wall construction method, is provided for constructing an earthquake resistant tide prevention dike by a banking reinforcement sol wall construction method of high rigidity, by integrally sticking the connection with a tensile reinforcement material laid in a dike body banking 62 and three-sided sticking concrete works 64, 65 and 66 of a surface slope face covering work 64 having a wave-return work 63, a top end covering work 65 and a reverse slope face covering work 66, by placing concrete without using a reverse form, and is formed as a structure for breaking only the wave-return work 63 constructed in an upper part of the surface slope face covering work 64 so that the whole tide prevention dike does not reach crushing breakage to a backwash caused after a Huge Tsunami overflows.

Description

  TECHNICAL FIELD The present invention relates to a method for constructing an earthquake-resistant seawall by embankment-reinforced earth walls, and in particular, a rigid integral wall for use in a tsunami defense facility (breakwater, seawall, coastal bank, river bank near a river mouth, etc.). It is related to the construction method of high earthquake-resistant tide embankment by embankment embankment reinforced earth wall construction method with geosynthetic reinforced retaining wall construction.

  “Geosynthetic reinforced earth retaining wall using rigid integrated wall surface” (commonly called RRR-B method) in the embankment reinforced earth wall construction method constructed in railways, roads, residential land development sites, etc. After construction, cast-in-place concrete is cast to build a rigid and integral wall work. The geosynthetic reinforced earth retaining wall with rigid and integral wall construction by this RRR-B method has already been proved to have high earthquake resistance in the 1995 Great Hanshin-Awaji Earthquake. In addition, geosynthetic reinforced soil retaining walls with rigid and integral wall construction, and reinforced soil abutments using this as the abutment were built not only in Sendai, Ichinoseki and Morioka, but the 2011 Great East Japan Earthquake It was once again proved to be harmless and to have high earthquake resistance. In the Great East Japan Earthquake, a number of breakwaters, seawalls, coastal dikes, river dikes near river mouths, etc. were destroyed devastatingly by the huge tsunami.

  The present invention relates to a method of constructing a geosynthetic reinforced soil retaining wall having a rigid integral wall surface construction as a tsunami defense facility of a banking type (such as a seawall, a coastal bank, a river bank near an estuary, etc.).

  Unlike the conventional inland earthquakes, much of the damage caused by the 2011 Great East Japan Earthquake was caused by a huge tsunami that hit the Pacific coast of East Japan. Conventional tsunami protection facilities (breakwaters, seawalls, coastal dikes, river embankments near river mouths, etc.) functioned against this huge tsunami until the tsunami height exceeded the expected height, Since the height of the tsunami that has rushed as a huge tsunami far exceeded the height of these facilities, it collapsed with the foundation ground due to overflow, erosion, and scouring.

  As shown in FIG. 8, a conventional embankment type seawall (see Non-Patent Document 4 below) is a surface slope surface covering structure 103 having a wave reversing structure 104 with respect to a bank embankment 102 constructed on a foundation ground 101. The three-sided concrete work is constituted by the top end covering 105 and the back surface covering 106.

However, in such a tide embankment, as shown in FIG. 9, the strong lift generated when the overflowed tsunamis A _{1 to} A ₄ rapidly flow down the downstream (land side) back surface covering work 106. the F [tsunami, as tsunami a ₁ flowing nearby back sizing surface covering Engineering 106, the flow velocity V becomes faster than a tsunami a ₂ to a ₄ flowing through the upper _{(V 1> V 2> V} 3> V 4) The strongest lifting force F is generated, and the topmost covering work of the top edge covering work 105 and the downstream side reverse face covering work 106 that is not fixed to the embankment embankment 102 is peeled off first, and then the embankment embankment 102 In many cases, erosion started , scouring of the downstream foundation ground 101 also occurred, the downstream slope collapsed, and eventually the entire cross section was lost due to pulling waves or the like.

Fumio Tatsuoka: “Reinforced soil structure for restoration / reconstruction from the 2011 Great East Japan Earthquake”, News from RRR Method Association 13, 2011, August Geotechnical Society: “Problems and Countermeasures for Ground Disasters during Earthquakes: Lessons and Recommendations for the 2011 Great East Japan Earthquake (1st)”, July 2011 Nikkei Construction, pp. 34-43, 2011.10.20 Coastal Conservation Facility Technical Study Group: “Technical Standards and Explanations for Coastal Conservation Facilities”, June 2004

  10 and 11 show examples of damage of a conventional embankment type seawall due to the 2011 Great East Japan Earthquake.

  Fig. 10 shows the seawall (near Ogurai fishing port in Sanriku-cho, Ofunato City) where the top slab concrete slab and the concrete work at the uppermost stage on the downstream side are stripped. Shows the seawall (near Miyako Minamitsu Pumice) where the top slab concrete slab has moved and the concrete work of the uppermost layer on the downstream side is stripped. On the extension of these locations, there were locations where the entire cross section disappeared.

  In this way, the biggest disadvantages of the conventional embankment type seawall are the fact that the three-sided concrete work is not fixed and the erosion due to overflow after the loss of the concrete work where the embankment is unreinforced. The resistance is small.

Shin in the process of disaster reconstruction, the height of the setting method and the like of the tsunami to prevent in the coastal conservation facilities are reviewed, change the water level setting method of "design tsunami" required in determining the height of coastal dikes, depending on the location There is a policy of aiming for a “sticky structure” that will be significantly higher and that will not be destroyed immediately even if it is hit by a tsunami that exceeds the design tsunami.

As such a method, the following method has been proposed. Typhoon No. 13 in 1953 adopted a three-sided concrete construction triggered by the collapse of the earthen wall on the coast of Ise Bay in Mie and Aichi prefectures. In 1959 Isewan Typhoon, Based on the fact that this three-sided surface was not broken, in order to prevent the levee body from flowing out even if the tsunami overflows,
(1) As shown in FIG. 12, a cover 207 made of concrete or the like is applied to the bottom edge of the back surface 206. (2) As shown in FIG. 13, a bank 208 is applied to the back surface 206. (3) As shown in FIG. (4) As shown in FIG. 15, countermeasures such as enlarging the top end width 212 with the cover 211 on the back surface are proposed. Has been. In addition, in these FIGS. 12-15, with respect to the embankment embankment 202 constructed | assembled in the foundation ground 201, the front slope surface coating work 204, the top edge coating work 205, and the back slope surface coating work 206 which have the wave turning work 203 are shown. A three-sided concrete work is constructed.

  As shown in FIG. 9, the top cover 104 that is not fixed to the embankment embankment 101 due to the strong lift generated when the tsunami that has overflowed flows down the back slope of the downstream side (land side) rapidly. And the uppermost covering work on the downstream side back surface was peeled off first, and since it was not reinforced there, the erosion of the embankment embankment 101 with weak resistance was started and eventually the entire cross section was lost due to pulling waves etc. Therefore, these measures alone do not function effectively.

Moreover, since the embankment embankment 101 is not reinforced, it is difficult to ensure required earthquake resistance. Furthermore, there has been a problem that the embankment material of the embankment embankment 101 may be sucked out due to the seepage flow from the embankment embankment 101 due to waves and heavy rain for a long time.

In view of the above situation, the present invention integrates a levee body embankment, a front sloped surface covering work having a wave-returning work, a top edge covering work, and a three-sided concrete work of a back facing surface covering work, and the entire tide bank. The purpose is to provide a method for constructing a seismic tide embankment using a high-strength embankment reinforced earth wall construction method that can be destroyed only by wave return so that it will not cause catastrophic failure .

In order to achieve the above object, the present invention provides
[1] Use the back formwork to connect the tension reinforcements laid in the embankment embankment, and use the three-sided concrete construction of the top slope covering work, top edge covering work and back slope covering work with wave reversing work and integrated by adhering by pouring concrete without, performing the construction of earthquake resistance tide embankment by rigid embankment mechanically stabilized earth, in the method the construction of earthquake resistance tide embankment by embankments mechanically stabilized earth, giant In order to prevent catastrophic destruction of the entire tide embankment against the tsunami that occurs after the tsunami overflows, only the wave return constructed at the top of the front slope cover construction will be destroyed. It is characterized by that.

[2] The method for constructing a shockproof tide embankment by embankments mechanically stabilized earth described in [1], only the upstream side as reinforcement method for structural reinforcement of the wave Kaeko installed on top of the table glue surface covering Engineering the main reinforcement arranged, on the downstream side is disposed only precaution reinforcing bars for drying shrinkage-preventing cracks, only the wave Kaeko is characterized in that the structure to break by the pulling wave.

  According to the present invention, the following effects can be achieved.

  (1) Integrate the embankment embankment reinforced with a tensile reinforcement such as geogrid, and the three-sided concrete work of the top slope covering work, top edge covering work and back slope covering work with wave reversing work. Thus, even if a huge tsunami or the like overflows the seawall, it is possible to prevent the top cover and the upstream and downstream slopes from being stripped.

  (2) Therefore, the embankment material for embankment embankment does not flow out. Even if the concrete coating work is damaged, the embankment embankment is reinforced with a multilayer planar reinforcing material and is resistant to erosion. For this reason, the function of the seawall is not lost.

  (3) The energy of the pulling wave is enormous, and the wave return work at the top of the seawall is destroyed. In the wave-returning structure of the present invention, only the wave-returning work is destroyed at the time of the pulling wave, so that the tide embankment as a whole does not cause a catastrophic destruction. Therefore, the restoration work is facilitated.

It is sectional drawing explaining the construction method of a seismic-proof seawater levee in case the slope surface of a seawall is a gentle slope both upstream and downstream which show the 1st reference example of this invention. It is sectional drawing explaining the construction method of a seismic-proof seawater levee in case the slope surface of a seawall is steep on both the upstream and downstream sides which show the 2nd reference example of this invention. It is sectional drawing explaining the construction method of a seismic-proof tide embankment when the upstream of the slope surface of a tide embankment which shows the 3rd reference example of this invention is a steep slope, and a downstream is a gentle slope. It is sectional drawing which shows the structural example of the earthquake-resistant seawall which shows the 4th reference example of this invention. It is a top view explaining the integration method of the planar reinforcement material and wall surface construction in construction of an earthquake-resistant tide embankment when the slope surface of a tide embankment which shows the 5th reference example of the present invention is a gentle slope. It is a top view explaining the integration method of the planar reinforcement material and wall surface construction in construction of an earthquake-resistant tide embankment when the slope surface of the tide embankment which shows the 6th reference example of this invention is a gentle slope. It is a cross-sectional view illustrating the construction method of the earthquake resistance tide embankment disrupt only waves Kaeko upon undertow tsunami indicating the actual施例of the present invention. It is a schematic diagram of a conventional embankment type seawall. It is explanatory drawing of destruction of a seawall by the tsunami which overflowed. Conventional drawing-substituting photograph showing an example of the damage embankment shaped Shikibo Shiotsutsumi; FIG. Conventional drawing-substituting photograph showing an example of the damage embankment shaped Shikibo Shiotsutsumi; FIG. It is a schematic diagram which shows the conventional proposal example (the 1). It is a schematic diagram which shows the conventional proposal example (the 2). It is a schematic diagram which shows the conventional proposal example (the 3). It is a schematic diagram which shows the conventional proposal example (the 4).

The construction method of the seismic tide embankment by the embankment reinforced earth wall construction method of the present invention includes the connection with the tensile reinforcement laid in the embankment embankment, and the surface slope covering work, the top edge covering work and the back cover having wave return work. performing construction of earthquake resistance tide embankment due to the high fill mechanically stabilized earth rigid and integrated by adhering by pouring concrete without a three-sided clad concrete factory surface coating Engineering using the back mold, embankment reinforcement In the construction method of earthquake-resistant seawalls by the earth wall construction method, the upper part of the above-mentioned slope surface covering works will be prevented so that the entire seawall will not be devastated by the pulling waves that occur after the huge tsunami overflows. It is characterized by the structure that only the wave-returning construction constructed in the above is destroyed .

  Hereinafter, embodiments of the present invention will be described in detail.

  First, the construction method of the tide embankment by the concrete embankment reinforcement earth wall construction method is explained in detail.

FIG. 1 is a cross-sectional view for explaining a construction method of an earthquake-resistant tide embankment when the slope surface of the tide embankment has a gentle slope on both the upstream side and the downstream side according to the first reference example of the present invention.

  In this figure, 1 is the foundation ground, 2 is the embankment embankment, 4 is the front slope surface covering work with the wave reversing 3, 5 is the top edge covering work, 6 is the back slope surface covering work, 7 is the surface reinforcing material ( Geogrid etc.). Here, a three-sided concrete work is formed by rigidly joining the front slope surface coating work 4, the top edge coating work 5 and the back slope surface coating work 6 (all of which are concrete works). And the rigid integral slope work 4,5,6 and the planar reinforcing material (Geogrid etc.) 7 are integrated, and it is set as the structure where the embankment material of the bank body embankment 2 does not flow out.

As in this example, since the temporary restraining member for ensuring safety during construction it is not required in the case of building a dam body embankment gentle gradient, when applying a concrete factory, a tensile reinforcement The rigid integral slopes 4, 5, 6 are directly integrated. On the other hand, as will be described later, when constructing a steep bank embankment, the back mold using an L-shaped welded wire mesh that has been processed into an L-shape for a temporary restraining material adopted in the RRR-B method. Concrete is cast without using a frame and is integrated with a frame [rigid integral slopework 14, 15, 16] (see FIG. 2) and a tensile reinforcement such as a geogrid. As an example here tensile reinforcement that although the planar reinforcing member (geogrid, etc.), reinforcing nonwoven or welded wire mesh, may be an expanded metal. In addition, although the reinforcing effect is reduced, it is not excluded that the tensile reinforcing material is not arranged in a plane but is partially arranged. What is necessary is just to obtain a tensile reinforcement effect when the wall work is peeled off by lift by using the embankment embankment as a reaction force.

FIG. 2 is a cross-sectional view for explaining a construction method of an earthquake-resistant seawall when the slope surface of the seawall is steep on both the upstream side and the downstream side according to a second reference example of the present invention.

  In this figure, 11 is a foundation ground, 12 is a bank embankment, 14 is a front slope covering work with wave reversal, 15 is a top edge covering work, 16 is a back slope covering work, 17 is a sandbag, and 18 is a surface shape. It is a reinforcing material (Geogrid etc.), and it also constitutes a three-sided concrete work that is rigidly connected to the front slope surface covering work 14, the top edge covering work 15 and the back slope covering work 16 (all are concrete works). .

  Here, the current RRR-B construction method is basically adopted so that the front slope surface coating work 14 and the back slope surface coating work 16 involve the sandbag 17, especially when the top edge width is wide. Also, a structure that includes a sandbag 17 is adopted. On the other hand, the front slope surface coating work 14 and the back slope surface coating work 16 are integrated with the planar reinforcing material (geogrid or the like) 18 to construct a rigid wall surface so that the banking material of the bank embankment bank 12 does not flow out. .

FIG. 3 is a cross-sectional view for explaining a construction method of an earthquake-resistant tide embankment in a case where the upstream side of the slope surface of the tide embankment has a steep slope and the downstream side has a gentle slope, showing a third reference example of the present invention.

  In this figure, 21 is a foundation ground, 22 is a bank embankment, 24 is a front slope covering work having a wave reversing work 23, 25 is a top edge covering work, 26 is a back slope covering work, 27 is a sandbag, and 28 is a face. A three-sided concrete work that is rigidly connected to the front slope face covering work 24, the top edge covering work 25, and the back slope face covering work 26 (all of which are concrete works). Yes.

  Here, the front slope surface coating work 24 having a steep slope encloses the sandbag 27. When the top width is wide, the top slope surface 27 is also taken up. The slope surface covering work 26 is integrated with a planar reinforcing material (such as Geogrid) 28 to construct a rigid wall surface work so that the embankment material of the embankment embankment 22 does not flow out.

  In addition to the examples shown in FIGS. 1 to 3, there are many combinations of front and rear surface coverings depending on the situation, but these are not excluded.

In addition, when the top of the seawall is used for a railway or the like, the top cover is an asphalt roadbed or a soil roadbed, but these are not excluded.

FIG. 4 is a cross-sectional view showing a structural example of an earthquake-resistant seawall according to a fourth reference example of the present invention, FIG. 4 (a) is an overall view thereof, and FIG. 4 (b) is an enlarged view of a portion A in FIG. is there.

In these drawings, 31 is a bank embankment, 32 is a planar reinforcing material ( geogrid, etc.) , 33 is a front slope surface coating work, 33A is a reinforced concrete, 34 is a back slope surface coating work, 35 is a rust-proof reinforcing bar, 36 is an embankment pressing plate, 36A is its nut, 37 is a frame reinforcing bar connecting plate, and 37A is its nut.

Thus, between the front slope surface covering work 33 and the back slope surface covering work 34 of the bank embankment 31, the surface reinforcing material (Geogrid or the like ) 32 and the rust prevention reinforcing bar 35 subjected to the rust prevention treatment, or the rust prevention. A high-rigidity plate is constructed by fastening the reinforcing bar 35 and a plurality of embankment pressing plates 36, and the embankment dam body 31, the front slope surface covering work 33, and the back slope surface covering work 34 are integrally arranged. .

FIG. 5 is a top view for explaining a method of integrating the planar reinforcing material and the wall work in the construction of the seismic seawater levee when the slope surface of the seismic seawater levee according to the fifth reference example of the present invention has a gentle slope. is there.

  In this figure, reference numeral 41 is a bank embankment, 42 is a reinforced concrete for a slope covering, 43 is a rust-proof reinforcing bar, 44 is a planar reinforcing material (geogrid material), and 45 is a rust-proof welded wire mesh (flat). In this embodiment, the anticorrosive reinforcing bar 43 is bonded to a welded wire mesh (flat) 45 subjected to antirust processing. 46 is the binding part. The rust-proof reinforcing bar 43 and the welded wire mesh 45 configured as described above, and the planar reinforcing material 44 stacked on the rust-proofing reinforcing bar 43, the binding portion 46, and the end portion of the planar reinforcing material 44 are encased in the concrete. It can be integrated by constructing 42.

FIG. 6 is a top view for explaining an integration method of the planar reinforcing material and the wall work in the construction of the seismic tide embankment when the slope surface of the seismic tide embankment has a gentle slope according to the sixth reference example of the present invention. is there.

In this figure, 51 is embankment embankment, 52 is reinforced concrete, 53 is planar reinforcing material ( geogrid etc.) , 54 is planar reinforcing material ( geogrid etc.) , 55 is a reinforcing hole (eyelet) formed in the longitudinal direction of the ear portion 54. In this embodiment, a rust-proof reinforcing bar (not shown) is passed through the reinforcing hole (eyelet) 55, or Alternatively, it is fixed to a rust prevention reinforcing bar (not shown) with a binding wire or the like. It should be noted that the side of the planar reinforcing material ( geogrid or the like) 53 opposite to the ear portion 54 where the reinforcing hole (eyelet) 55 is provided is cut off without providing the reinforcing hole (eyelet) 55. It can integrate by constructing the frame concrete 52 so that the ear | edge part 54 comprised in this way may be wound.

According to the above reference example, the surface reinforcement (geogrid, etc. ) and the reinforced concrete are constructed in one piece, so the embankment embankment and the reinforced concrete are rigidly coupled, and against erosion using a highly rigid integral wall construction. It is possible to construct an earthquake-resistant seawall with increased resistance.

Figure 7 is a sectional view for explaining how to build earthquake resistance tide embankment disrupt only waves Kaeko upon undertow tsunami indicating the actual施例of the present invention, FIGS. 7 (a) is a cross-sectional view of the entire FIG. 7 (b) is a diagram showing a wave-returning portion of the front slope surface coating work.

  In these figures, 61 is the foundation ground, 62 is a bank embankment, 64 is a front slope covering with a wave reversing 63, 65 is a top edge covering, 66 is a back slope covering, 67 is a soil covering, and 68 is a soil covering. It is a surface reinforcing material (geogrid material, etc.), and it also constitutes a three-sided concrete work that is rigidly connected to the front slope face covering work 64, the top edge covering work 65, and the back face covering work 66 (all are concrete works). doing.

In this embodiment, in order to avoid damaging the entire surface slope surface covering work (concrete work) 64 due to the impact of the tsunami wave against the wave returning structure 63, the surface of the surface facing surface covering work 64 has a The main reinforcing bar 63A on the pulling side (upstream side) 63A is arranged so as to extend to the inside of the wave returning work 63, but the main reinforcing bar 63B on the opposite side (downstream side) does not extend to the inside of the wave returning work 63. In this case, only the wave returning work 63 is actively destroyed at the time of the tsunami wave pulling by arranging the reinforcing bar 63C for preventing dry shrinkage and cracking . Configured to avoid destruction. At this time, the effect is clarified by providing a concrete joint surface at the boundary surface between the wave return 63 and the front surface covering work 64. As a result, the energy of the pulling wave is enormous, but when the pulling wave collides with the wave returning work 63 at the upper part of the seawall, only the wave returning work 63 is destroyed rather than the entire surface covering work 64, so the seawater breakwater is destroyed. Overall, it does not lead to catastrophic destruction, and therefore the restoration work is facilitated.

As mentioned above ,
(1) The top cover and the downstream side that are not fixed to the bank embankment due to the strong lift generated when the tsunami that has flowed through the bank embankment rapidly flows down the backside (land side). The embankment embankment, the top cover and the downstream back cover were integrated so that the back cover would not be peeled off.
(2) A structure in which the embankment material of the embankment embankment does not flow out by integrating the reinforcing material arranged on the embankment embankment and the three-side wall work. In addition, the embankment embankment is reinforced with multi-layered surface reinforcements to improve earthquake resistance, and at the same time, the embankment embankment material is sucked out from the embankment embankment for a long time and the concrete cladding is damaged against erosion due to overflow. To resist.

  (3) As a method of integrating the three-sided concrete and the embankment embankment, when the wall construction is steep, the “earth clay” or welding is used as the temporary restraining material currently used in the RRR-B construction method. The “L-shaped welded wire mesh” obtained by processing the wire mesh into an L shape was used to cast the concrete without using the back formwork so that the frame and the geogrid material were integrated.

  Further, in the case where the temporary holding material is not used, it is integrated as illustrated in FIG. 5 and FIG.

  (4) When a huge tsunami is assumed, the energy at the time of the pulling wave that occurs after overflowing becomes extremely large. In such a case, in order not to cause the catastrophic destruction of the entire seawall, and to facilitate recovery, the structure is such that only the wave return work at the top of the revetment is destroyed, especially during the pulling. did.

  (5) For this reason, the upper barbing method is the main reinforcing bar only on the upstream side of the wave returning work, and the downstream side of the wave returning work is only the myocardium for preventing dry shrinkage (cracking). Configured to destroy.

  In addition, this invention is not limited to the said Example, Based on the meaning of this invention, a various deformation | transformation is possible and these are not excluded from the scope of the present invention.

Construction method of earthquake resistance tide embankment by embankments mechanically stabilized earth of the present invention is a method for constructing a shockproof tide embankment by integrating the dam embankment and orthographic clad concrete factory by high embankments mechanically stabilized earth rigidity, tide It can be used as an anti-seismic tide embankment where only the wave rehabilitation works so that the entire bank will not be destroyed .

1,11, 21, 61 foundation ground 2,12,22,31,41,51,62 dam embankment 3,13,23,63 Namikaeko 4,14,24,33,64 Table slopes covered Engineering (Concrete Mechanic)
5,15,25,65 Top cover work (concrete work)
6, 16, 26, 34, 66 Back surface covering work (concrete work)
7, 18, 28, 32, 44, 53, 68 Planar reinforcement (Geogrid material, etc.)
17, 27, 67
33A, 42, 52 Frame concrete 35, 43 Anticorrosion reinforcing bar 36 Filling press plate 36A Filling press plate nut 37 Frame reinforcing bar connection plate 37A Frame reinforcement connecting plate nut 45 Anticorrosive welded wire mesh (flat)
46 Bundling part 54 Ear part of planar reinforcing material 55 Reinforcing hole (eyelet)
63A, 63B Main bar 63C Heart rebar

Claims (2)

Concrete without using a back formwork to connect with the tension reinforcements laid in the embankment embankment, and to apply the three-sided concrete construction of the top slope covering work, top edge covering work and back slope covering work with wave reversal work the integrated by adhering by pouring, performs the construction of earthquake resistance tide embankment due to the high fill mechanically stabilized earth rigidity, in the method the construction of earthquake resistance tide embankment by embankments mechanically stabilized earth, giant tsunami Yue In order not to cause the catastrophic destruction of the entire seawall due to the pulling waves that occur after flowing, the structure is such that only the wave return constructed at the upper part of the front slope covering construction breaks. The construction method of earthquake-resistant seawall by the embankment reinforced earth wall construction method. In the method the construction of earthquake resistance tide embankment by embankments mechanically stabilized earth according to claim 1, wherein the main reinforcement only on the upstream side as reinforcement method for structural reinforcement of the wave Kaeko installed on top of the table glue surface covering Engineering arrangement and, on the downstream side is disposed only precaution reinforcing bars for drying shrinkage-preventing cracks, shockproof tide by embankment mechanically stabilized earth, characterized in that it has a structure in which only the wave Kaeko is broken by the pulling-wave How to build a dike.

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