• 검색 결과가 없습니다.

Evaluation for the Test Installation of Slab Track by Using Precast Concrete Panels

N/A
N/A
Protected

Academic year: 2021

Share "Evaluation for the Test Installation of Slab Track by Using Precast Concrete Panels"

Copied!
7
0
0

로드 중.... (전체 텍스트 보기)

전체 글

(1)
(2)

60030

172 170 150

212247

316

600

284 150 563

1%

220 INVERT CON'C 도상 CON'C

1%

160 209 540

1:40

1,435

1:40 CL

1:40 1:40

12130209

150 F.L

75

R.L

174

수 대 레일

수 대

INVERT CON'C 게이지타이롯트

레일가받침작키 지지목

수평버팀재 수평버팀재

가받침작키

(3)

4,100

1,435

325 300 325

400

284 146

1%1%

700

2,750

200 230

2,7302,750

625 25 625 1,225 625 625 1,225 25

R108

625 1,225

채움콘크리트 타설

50kg N 레일 61 370.7

114.2 114.2 61

33

게이지블럭

28

게이지타이롯트

게이지스트랏트

1,250

625 625 625

수평버팀재 작업진행방향 312.5312.5

625 625 312.5

(4)

unsprung mass m = 816kg Rail KS 50N

Rail pad stiffness = 400kN/mm sleeper block M = 240kg

Ballast stiffness = 200kN/mm

Concrete invert Concrete invert

Precast Concrete Panel Elastic pad stiffness = 17.5kN/mm Rail KS 50N

unsprung mass m = 326kg

Steel base plate

(5)
(6)

소 음 측 정 결 과 ( 비 교 )

5 . 1 9 2 . 2 6 8 7 . 1 6

-10 0 10 20 30 40 50 60 70 80 90 100

31.5 63 125 250 500 1000 2000 4000 8000 A P

주 파 수 [ H z ]

SPL [dB(A)]

저 감 량 설 치 전 설 치 후

진 동 측 정 결 과 ( 비 교 )

1 4 . 6 9 2 . 7 7 8 . 1

-10 0 10 20 30 40 50 60 70 80 90 100

5.0 6.3 8.0 10.0 12.5 16.0 20.0 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0

주 파 수 [Hz ]

SPL [dB(A)]

저 감 량 설 치 전 설 치 후

진 동 측 정 결 과 ( 비 교 )

1 4 . 6 9 2 . 7 7 8 . 1

-10 0 10 20 30 40 50 60 70 80 90 100

5.0 6.3 8.0 10.0 12.5 16.0 20.0 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0

주 파 수 [Hz ]

SPL [dB(A)]

저 감 량 설 치 전 설 치 후

(7)

참조

관련 문서

Analysis for Thermal Test Assessment Method of Spent Fuel Concrete Cask Using a Scale Down Model Ju - Chan Lee , Kyung - Sik Bang , Seung - Hwan Yu , and Woo - Seok Choi ( KAERI

4-8 Evaluation of rail corrugation for artificial specimen A (30 mm wavelength); (a) LVDT signal, (b) FFT analysis, (c) STFT analysis and (d) digitizing result

This study has undertaken the theoretical contemplation on the bearing capacity calculation method of the bored precast pile foundation, and use the

• Lower w/c improve the rate of strength development at early age, can be used for precast concrete plant.

– Recipe batch: the purchaser assumes responsibility for proportioning the concrete mixture, including specifying the cement content, the maximum allowable water

• For dry or semi-dry concrete exposed to water, capillary suction pressure has the same effect on flow as a pressure head of 2.4 MPa in saturated concrete.. •

Figure 6.23 Comparison of the average absorption coefficient between the honeycomb panel and HMPP for a 25-mm core thickness.. 174 Figure 6.24 Comparison of STL between

the larger the shear amount and deformation in the basic experiment using the plate specimen test evaluation, the phase map image is clearly clear.. piping