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1 CTI Engineering Internationa Co., Ltd. Nippon Koei Co., Ltd THE

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1 CTI Engineering Internationa Co., Ltd. Nippon Koei Co., Ltd THE
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
図 6.1
カビテ州による新固形廃棄物処理計画における
最終処分地と中継基地(RMF)決定地
CTI Engineering Internationa Co., Ltd.
Nippon Koei Co., Ltd
F-6-1
40
Longitudinal Profile of Imus River (Existing)
Elevation (m in MSL)
25
20
15
AnabuDam
NIA Canal
National Rd. Bridge
30
Aguinaldo Highway
35
10
5
Deepest Riverbed
Mean Riverbed
Left Bank
Right Bank
0
-5
Riverbed Slope
-10
0
2000
4000
6000
8000
Distance from Rivermouth (m)
10000
12000
14000
200
Channel Width of Imus River (Existing)
AnabuDam
NIA Canal
150
50
Steep River Gradient
Gentle River Gradient
0
Aguinaldo Highway
50
National Rd. Br.
Width (m in total)
100
100
150
Width if River Channel
200
0
2000
4000
6000
8000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
10000
12000
図 8.1
ローランドエリアのImus川現況縦断・
河道幅図
F-8-1
14000
40.000
15.000
10.000
5.000
0.000
-5.000
Imus
River
Sta.8+930
Bridge (EL+32.2)
20.000
Sta.4+850
Julian Bridge
(EL+16.6)
25.000
Bucandala
Dam
Elevation (m in MSL)
30.000
Sta.4+520
Bridge (EL+13.6)
Sta.0+450 Bridge (EL+4.6)
35.000
Sta.1+430 Bridge (EL+6.3)
Sta.1+950 Bridge (EL+7.6)
Longitudinal Profile of Julian River (Existing)
Deepest Riverbed
Mean Riverbed
Left Bank
Right Bank
-10.000
0
2000
4000
6000
8000
Distance from Imus River (m)
10000
12000
200
Channel Width of Julian River (Existing)
NIA Canal
150
Width (m in total)
100
50
0
50
100
Width of River Channel
150
Bridge & Dam
200
0
2000
4000
6000
8000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
10000
図 8.2
ローランドエリアのJulian川現況縦断・
河道幅図
F-8-2
12000
40
Deepest Riverbed
Mean Riverbed
Left Bank
Right Bank
20
15
Aguinaldo
H.W.
Elevation (m in MSL)
25
Longitudinal Profile of Bacoor River (Existing)
Panapaan
Bridge
30
Bridge
National Rd. Bridge
35
Steep
SM
Bacoor
10
Flat
5
0
-5
Fish
Pond
Sub-Division
-10
0
1000
2000
3000
4000
5000
Distance from Rivermouth (m)
6000
7000
8000
200
Channel Width of Bacoor River (Existing)
150
Fishpond Area
Elevation (m in MSL)
100
Aguinaldo
Highway
Subdivision
50
0
SM
Bacoor
50
100
Width if River Channel
150
: Main Bridge
200
0
1000
2000
3000
4000
5000
6000
7000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
図 8.3
ローランドエリアのBacoor川現況縦断・
河道幅図
F-8-3
8000
40.000
Longitudinal Profile of San Juan River (Existing)
35.000
Novereta Diversion Br.
Novereta Br.
Ylang-Ylang Br.
30.000
15.000
10.000
Flat
Steep
5.000
0.000
NIA Canal
20.000
Bayan Dam
Elevation (m in MSL)
25.000
Deepest Riverbed
Mean Riverbed
Left Bank
Right Bank
Left Dike
Right Dike
Flat
-5.000
Merging with
Ylang-Ylang River
-10.000
0
2000
4000
6000
8000
10000
Distance from Rivermouth (m)
12000
14000
16000
50
Width of River Channel
Ylang-Ylang River
0
50
100
150
NIA Canal
Bayan Dam
Width (m in total)
100
Channel Width of San Juan River (Existing)
Ylang-Ylang Br.
150
Novereta Br.
Novereta Diversion Br.
200
200
0
2000
4000
6000
8000
10000
12000
14000
16000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
図 8.4
ローランドエリアのSan Juan川現況縦断・
河道幅図
F-8-4
40.000
Longitudinal Profile of San Juan - Ylang-Ylang River (Existing)
Novereta Diversion Br.
Novereta Br.
Ylang-Ylang Br.
30.000
Elevation (m in MSL)
25.000
20.000
15.000
10.000
Deepest Riverbed
Mean Riverbed
Left Bank
Right Bank
Left Dike
Right Dike
NIA Canal
35.000
Steep
5.000
0.000
Flat
-5.000
Merging with
San Juan River
-10.000
0
2000
4000
6000
8000
10000
Distance from Rivermouth (m)
12000
14000
16000
Width (m in total)
100
50
Channel Width of San Juan - Ylang-Ylang River (Existing)
Ylang-Ylang Br.
150
Novereta Br.
Novereta Diversion Br.
200
Width if River Channel
0
50
San Juan River
Ylang-Ylang River
150
NIA Canal
San Juan River
100
200
0
2000
4000
6000
8000
10000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
12000
14000
16000
図 8.5
ローランドエリアのYlang-Ylang川現況縦断・
河道幅図
F-8-5
Deepest Riverbed
40
Left Bank
35
Right Bank
Left Dike
30
Right Dike
Road Surface Elevation along Left Bank
25
Road Surface Elevation along Left Bank
Tejero Br.
20
15
Flat
NIA Canal
Elevation (m in MSL)
Longitudinal Profile of Canas River (Existing)
Mean Riverbed
10
Steep
Plucena Dam
5
0
Flat
-5
-10
0
1000
2000
3000
4000
5000
6000
Distance from Rivermouth (m)
7000
8000
9000
10000
200
Channel Width of Canas River (Existing)
Tejero Br.
150
50
0
50
Plucena Dam
100
150
Width if River Channel
200
0
1000
2000
3000
4000
5000
6000
Distance from Rivermouth (m)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
NIA Canal
Width (m in total)
100
7000
8000
9000
図 8.6
ローランドエリアのCanas川現況縦断・
河道幅図
F-8-6
10000
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
F-8-7
図 8.7
下流低平地における 20 年確率河川洪水
防御のために河川改修が必要な区間
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
F-8-8
図 8.8
遊水地及び内水調整池の配置可能候補地
Design Discharge (m3/s)
w/ on-site
w/o on-site
2-year
5-year
10-year
20-year
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
0
200
430
670
Fig. 8.9
San Juan 放水路線形案
F-8-9
60
270
480
700
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
図 8.10
F - 8 - 10
海岸堤と防潮ゲートによる完全 2 年確率
内水排除対応施設配置図
(Alternative D-1: Full Protection)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
図 8.11
F - 8 - 11
輪中堤と防潮ゲートによる完全 2 年確率
内水排除対応施設配置図
(Alternative D-2: Full Protection)
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
図 8.12
海岸堤と防潮ゲートによる浸水許容 2 年確率
内水排除対応施設配置図
(Alternative D-1: Partial Protection)
F - 8 - 12
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
図 8.13
輪中堤と防潮ゲートによる浸水許容 2 年確率
内水排除対応施設配置図
(Alternative D-2: Partial Protection)
F - 8 - 13
Daan Bukid
Creek
Retarding Basin
Habay Bridge
8d
Palico Bridge
8
8u
7
7u
Bacoor River
Muntino Bridge
Triburary
9u
Island Cove
Bridge
NIA Canal
Triburary
Banalo Bridge
9
10
Balsahan Bridge
Anabu
Dam
Imus Bridge
6
2
1d
1
Taclong II Bridge
4
Imus River
Bacoor Bay
3-2
4u
Bucandala
Dam
5
3-1
3
Julian River
5u
Triburary
Point No.
1
1d
2
3
3-1
3-2
4u
4
5u
5
6
7u
7
8u
8
8d
9u
9
10
2-year
310
190
280
130
170
100
110
85
30
15
350
80
25
75
50
35
65
50
370
Peak Discharge for Each Return Period (m3/s)
without On-Site
with On-Site
F_I.2
F_I.3
5-year
10-year
20-year
2-year
5-year
10-year
430
500
600
250
350
430
250
280
350
160
210
250
380
440
520
230
320
390
160
170
190
90
120
140
180
180
180
150
180
180
130
140
140
70
110
130
130
140
150
70
110
130
120
130
130
55
95
120
35
35
35
25
35
35
15
15
15
15
15
15
450
520
540
290
400
470
100
110
130
70
90
100
45
55
60
20
40
50
75
75
75
70
75
75
50
50
50
50
50
50
45
55
60
35
45
50
65
65
75
65
65
65
75
95
110
50
70
80
450
520
560
320
400
470
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co.,Ltd.
Nippon Koei Co., Ltd
20-year
550
300
470
160
180
140
140
130
35
15
530
120
60
75
50
55
70
100
550
図 8.14
Imus川流域確率規模別河川洪水対策設計流量
(マスタープラン F_I.2/I.3 : 河川部分改修
+遊水地案)
F - 8 - 14
Retarding Basin
NIA Canal
Pasong Kastila
Dam
Ylang-Ylang River
Bacoor Bay
3d
Panamitan Bridge
3
Panamitan River
San Juan
Bridge
Ilang-Ilang
Bridge
4u
Bayan
Dam
4
Diversion
6
5
2
Diversion
point
Point No.
1
1d
2
3
3d
4u
4
5
6
2-year
160
120
180
270
200
220
170
330
330
1d
1
San Juan River
Peak Discharge for Each Return Period (m3/s)
without On-Site
with On-Site
F_S.2
F_S.5R
5-year
10-year
20-year
2-year
5-year
10-year
230
350
470
130
220
340
130
140
160
120
130
140
240
270
300
170
230
260
370
490
620
220
300
430
220
250
320
190
210
240
260
290
350
200
240
280
210
260
350
170
200
240
420
485
610
310
410
460
420
485
610
310
410
460
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co.,Ltd.
Nippon Koei Co., Ltd
20-year
460
160
290
580
300
330
330
580
580
図 8.15
San Juan川流域確率規模別河川洪水対策設計
流量(マスタープラン F_S.2: 河川部分改修
+遊水地案)
F - 8 - 15
NIA Canal
Pasong Kastila
Dam
Ylang-Ylang River
Bacoor Bay
3
Panamitan Bridge
Panamitan River
San Juan
Bridge
Ilang-Ilang
Bridge
Bayan
Dam
4
Diversion
6
5
2
Diversion
point
7
1
San Juan River
Proposed Diversion Channel
Point No.
1
2
3
4
5
6
7
2-year
160
220
270
280
350
350
60
Peak Discharge for Each Return Period (m3/s)
without On-Site
with On-Site
F_S.3
F_S.5D
5-year
10-year
20-year
2-year
5-year
10-year
230
350
470
130
220
340
340
460
600
190
320
450
370
490
620
215
300
425
390
510
640
220
330
460
400
400
400
340
400
400
400
400
400
340
400
400
270
480
700
0
200
430
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co.,Ltd.
Nippon Koei Co., Ltd
20-year
460
580
580
600
400
400
670
図 8.16
San Juan川流域確率規模別河川洪水対策設計
流量(マスタープラン F_S.3:河川部分改修+
放水路案)
F - 8 - 16
Retarding Basin
NIA Canal
Pasong Kastila
Dam
Ylang-Ylang River
Bacoor Bay
3d
Panamitan Bridge
3
Panamitan River
San Juan
Bridge
Ilang-Ilang
Bridge
4u
Bayan
Dam
4
Diversion
6
5
2
Diversion
point
7
1
1
San Juan River
Proposed Diversion Channel
Point No.
1
1d
2
3
3d
4u
4
5
6
7
2-year
160
150
170
270
260
270
260
350
350
40
Peak Discharge for Each Return Period (m3/s)
with On-Site
without On-Site
F_S.4wo
F_S.4with
5-year
10-year
20-year
2-year
5-year
10-year
230
350
470
130
220
340
210
250
270
120
190
240
320
370
390
170
290
370
370
490
620
220
300
430
350
410
450
190
290
380
370
440
480
200
320
400
330
390
420
190
280
360
400
400
400
320
400
400
400
400
400
320
400
400
200
250
300
0
150
250
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co.,Ltd.
Nippon Koei Co., Ltd
20-year
460
260
390
580
440
470
410
400
400
300
図 8.17
San Juan川流域確率規模別河川洪水対策設計
流量(マスタープラン F_S.4:河川部分改修+
遊水地+放水路案)
F - 8 - 17
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd
図 8.18
内水流域 2 年確率各排水路設計流量(マスター
プラン D1(完全排水案)及び D2(浸水許容案)
F - 8 - 18
Longitudinal Profile of Imus River
(Improvement Plan)
35
30
15
10
National Rd.
Br.
Bacoor River
Elevation (m in MSL)
25
20
1 / 25 0
Aguinaldo Highway
Deepest Riverbed
Left Bank
Right Bank
Design High Water Level
Design Dike Level
Design Riverbed
EL+2.40m
(Sta.4+000)
EL+28.5
EL+25.4m
(Sta.12+000)
AnabuDam
NIA Canal
40
1/ 2 50
EL+0.8m
5
1 / 75 0
0
1 / 2,5 00
-5
-10
0
2000
4000
6000
8000
10000
12000
14000
Distance from Rivermouth (m)
Aguinaldo
H.W.
Panapaan
Bridge
Bridge
10
Elevation (m in MSL)
Longitudinal Profile of Bacoor River
(Applicable Max. Improvement Plan)
National Rd. Bridge
15
Steep
SM
Bacoor
5
Flat
0
Deepest Riverbed
Left Bank
Right Bank
Fish
Pond
-5
Sub-Division
Design H.W.L.
Design Dike Level
Design Riverbed
-10
0
1000
2000
3000
4000
5000
6000
7000
8000
Distance from Rivermouth (m)
Longitudinal Profile of Julian River (Plan)
20.000
15.000
10.000
Bucandala
Dam
5.000
Sta.8+930
Bridge (EL+32.2)
Elevation (m in MSL)
25.000
Sta.4+850
Julian Bridge
(EL+16.6)
30.000
Sta.4+520
Bridge (EL+13.6)
Sta.0+450 Bridge (EL+4.6)
35.000
Sta.1+430 Bridge (EL+6.3)
Sta.1+950 Bridge (EL+7.6)
40.000
0.000
-5.000
Deepest Riverbed
Left Bank
Right Bank
Design H.W.L.
Design Dike Level
Design Riverbed
Imus
River
-10.000
0
2000
4000
6000
8000
10000
Distance from Imus River (m)
THE STUDY ON
図 8.19
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
Imus/Bacoor/Julian川計画縦断図
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
F - 8 - 19
12000
Standard Cross Section (Sta.0+000~Sta.2+000:Rivermouth to Binakayan Bridge):400m3/s
(For All Alternatives)
4000
4000
1000
50,000~100,000
1:2
+1.73
H:B
.0
H:B
=1:2
.0
.0
.0
=1:3
5730
=1:3
.0
-4.00
=1:2
H:B
H:B
2000
.0
1:2
30,000
(Typical)
Raising of Existing Road
Step Revetment
Riprap Filling
MSL+0.00
Dredging
Existing Cross-Section Line
Standard Cross-Section Line
Standard Cross Section (Sta.2+000~Sta.3+200:Binakayan Bridge to Merging with Julian R.):400m3/s
(For Partial Improvement: F_I.2 and F.I.3)
3000
3000
800
24,500
2000
(Typical)
5700~
~6500
+1.73~3.84
2800 4000
Installation of
Parapet Wall/Embankment
when needed
-4.0~-1.83
10,000
4000 2800
3+200
2+700
Basically
No need to Improve
No Need to Improve
Installation of
Parapet Wall/Embankment
when needed
D.H.W.L
MSL+0.00
MSL+0.00
Existing Cross-Section Line
Existing Cross-Section Line
Standard Cross-Section Line
Standard Cross-Section Line
Typical Cross Section for Full-Scaled Improvement : 660, 810 and 970m3/s
(For Partial Improvement: F_I.2 and F.I.3)
3+000
Installation of
Parapet Wall/Embankment
when needed
Standard Cross-Section Line
for 10-year return period with on-site
Standard Cross-Section Line
for 20-year return period with on-site
Excavation/Dredging
30m for 5-year return period
35m for 10-year return period
40m for 20-year return period
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
図 8.20
Imus川河道改修標準断面及び改修概念図
CTI Engineering International Co., Ltd
Nippon Koei Co., Ltd
F - 8 - 20
Standard Cross Section (Sta.0+000~Sta.3+000:Rivermouth to Fishpond Area: 100~135m3/s)
3,000
3,000
2500
600
1700
46,200
D.H.W.L
21,000
(Typical)
0+800
Standard Cross-Section Line
Embankment
Embankment
Existing Cross-Section Line
2+800
Standard Cross-Section Line
Embankment
Embankment
Excavation /
Dredging
Existing Cross-Section Line
Standard Cross Section (Sta.4+000~Sta.5+000:SM Bacoor to Aguinaldo H.W.)
For Partial Improvement
Q=65m3/s
For Full Scaled Improvement
Q=125m3/s
3000
2800
15,000
D.H.W.L
~
4158
D.H.W.L
2800
600
3000
600
3000
3000
36,800
(Typical)
Partial
Full Scaled
4+600
Installation of
Parapet Wall / Embankment
When needed
Existing Cross-Section Line
4+600
Existing Cross-Section Line
Steel Sheet Pile/Wet Stone Masonry Revetment
Excavation /
Dredging
Excavation /
Dredging
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
Standard Cross-Section Line
図 8.21
Bacoor川河道改修標準断面及び改修概念図
CTI Engineering International Co., Ltd
Nippon Koei Co., Ltd
F - 8 - 21
Standard Cross Section of Julian River
: 2-year (140m3/s) (Partial) and 5-year return period (200m3/s) (Full Scaled)
Sta.0+000-Sta.4+800(Bucandala Dam)
2-year return period : 140m3/s
5-year return period : 200m3/s
0.600
19.700
0.600
15.700
H.W.L
.5
1:0
.5
1:0
2.500 2.100
.5
.5
9.000
1:0
1:0
2.000
2.000
2.500 2.100
H.W.L
2.000
13.000
2.000
Sta.4+800-Sta.8+000
Sta.8+000-Sta.10+000
0.600
0.600
0.600
.5
.5
3.500
1:0
.5
3.500
1:0
.5
8.000
H.W.L
1:0
6.000
.5
.5
.5
1:0
10.300
H.W.L
1:0
1:0
1:0
.5
H.W.L
3.500
H.W.L
5-year : 120m3/s
8.600
4.500
3.500
12.100
0.600
10.100
2-year : 90m3/s
1:0
5-year : 120m3/s
2-year : 90m3/s
6.000
1+400
2+200
Existing Cross-Section Line
2-year: No Improvement for Lower Channel with Dike of Upper Channel
5-year: Widening and Dike
2-year: No Improvement
5-year: Widening is required.
H.W.L
H.W.L
Standard Cross-Section Line
for 5-year return period
Standard Cross-Section Line
for 2-year return period
4+400
6+600
2-year: Widening / Dike
5-year: Widening / Dike
2-year: No Improvement
5-year: No Improvement
H.W.L
H.W.L
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
図 8.22
Julian川河道改修標準断面及び改修概念図
CTI Engineering International Co., Ltd
Nippon Koei Co., Ltd
F - 8 - 22
20.000
15.000
EL+0.8m
10.000
EL+18.375
EL+20.643m
(Sta.10+550)
Ylang-Ylang Br.
25.000
Novereta Br.
30.000
Novereta Diversion Br.
35.000
1 /4 0 0
1/ 5 0 0
1 / 1 ,20 0
5.000
0.000
EL+5.8m
(Sta.6+000)
-5.000
Bayan Dam
Elevation (m in MSL)
Longitudinal Profile of San Juan River
(For All Scaled River Improvement)
Deepest Riverbed
Left Bank
Right Bank
Desing H.W.L
Desing Dike Level
Design Riverbed
NIA Canal
40.000
Merging with
Ylang-Ylang River
-10.000
0
2000
4000
6000
8000
10000
12000
14000
16000
Distance from Rivermouth (m)
40.000
Longitudinal Profile of San Juan - Ylang-Ylang River (Plan)
35.000
EL+30.444m
(Sta.12+600)
15.000
10.000
NIA Canal
20.000
EL+6.00m
(Sta.6+000)
Ylang-Ylang Br.
Elevation (m in MSL)
25.000
Novereta Br.
Novereta Diversion Br.
30.000
1/270
1/1,000
5.000
Deepest Riverbed
Left Bank
0.000
Right Bank
Design H.W.L
-5.000
EL+0.8m
-10.000
0
2000
Design Dike Level
Merging with
San Juan River
4000
6000
Design Riverbed
8000
10000
12000
14000
16000
Distance from Rivermouth (m)
THE STUDY ON
図 8.23
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
San Juan/Ylang-Ylang River川計画縦断図
CTI Engineering International Co., Ltd.
Nippon Koei Co., Ltd.
F - 8 - 23
Standard Cross Section (Sta.0+000~Sta.1+700:Rivermouth Area : 400m 3/s)
(For All Alternatives)
7.500
~8.000
5.000
4.000
25.000
4.000
5.000
7.500
~8.000
3.000
2.000 3,500
~4,000
3.000
0+900
(Typical)
Embankment
Embankment
Excavation/
Dredging
Standard Cross Section (Sta.1+700~Sta.4+800:Brgy. Sta. Isabel~Merging P.) : 600, 810 and 1050m3/s
(For : Full Scaled Improvement)
(for 5-year return period)
43.000~45.000
3.000
2.000 4.367
3.000
3.000 4.000
25.000
4.000 3.000
2+300
(Typical)
Excavation/Dredging
Standard Cross-Section Line
THE STUDY ON
COMPREHENSIVE FLOOD MITIGATION
FOR CAVITE LOWLAND AREA
Standard Cross-Section Line
for 20-year return period with on-site
Standard Cross-Section Line
for 10-year return period with on-site
図 8.24
San Juan川河道改修標準断面及び改修概念図
CTI Engineering International Co., Ltd
Nippon Koei Co., Ltd
F - 8 - 24
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