Rigid Pavement Design

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Rigid Pavement Design

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• ??????????????????? ?????????????????
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• sudniran_at_gmail.com

http//facstaff.swu.ac.th/sudniran
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??????????????????

• ?????????????????????????????????? 2.5 3.5 ????
• ????????????? 6 10 ????

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• Temperature Steel
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• ???????? ????????????????????????????????

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• ????????????????????????????????????????????
• ??????????????????????????? 5 ??.
• ????????
• As ??????????? ??.??/1 ????

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???????????????????????? (Joint)

• ???????? 2 ??????
• ????????????? (Transverse Joint)
• ???????????? (Longitudinal Joint)

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???????????????????????? (Joint)

• ????????????? (Transverse Joint)
• Contraction Joint
• Construction Joint
• Expansion Joint
• ???????????? (Longitudinal Joint)

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???????????????????????? (Joint)

• ????????????? (Transverse Joint)
• Contraction Joint

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???????????????????????? (Joint)

• ????????????? (Transverse Joint)
• Construction Joint

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???????????????????????? (Joint)

• ????????????? (Transverse Joint)
• Expansion Joint

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???????????????????????? (Joint)

• ???????????? (Longitudinal Joint)

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?????????? (Dowel Bar)

• ???????????????????????????????????????????????
• ???????????
• ????????????????? Dowel Bar ??????????????????????
  ?????????????????? 9.8
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?????????? (Dowel Bar)
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???????? (Tie Bar)

• ??????????????? longitudinal joint
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EX. 9.3

• ?????????? 20 ??. 2 ???
• W 3.5 m.
• L 10 m.
• Temperature steel ?
• L Temperature steel gt SR24, tie bar gt SD 40
• fc 240 ksc

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?????????????????????????? Road Note 29

• Road Research Laboratory, United Kingdom
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?????????????????????????? Road Note 29

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• ?????????????????????????????? 3 6
• ???????????????? 4
• ????????????????????????????? 250 2,500
  ???/???/??????
• ?????? 9.11 ??????????????????????????????????????
  ???????????????????????????????

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?????????????????????????? Road Note 29
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?????????????????????????? Road Note 29
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???????????

• ??????????????????????????????????????????????????
  60 ??.

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• ????????????????? 3 ?????? ??? ???? ???? ????
• ????????????????????????????????
• ??????????????????????????????????????????????????
  CBR lt 4 ???????????????????????????? 15 ??.
  ???? 8 ??. ???????????????????

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• gt 285 KSC (Cube)
• ?????????????????? 9.13
• ???????????????? ???????????????????????????

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?????????????

• ?????????????????????????????? ???????????????????
  ???????????????????? 100 ?????????
  ?????????????????????????
• ???????????????????????? 9.14
• ????????????????????????????????????? 5 6 ??.
• ???????????????????????????????????????????? 40
  ???? dia.

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?????????????????????? (BS)
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??????????????

• ??????????????????????? wire mesh
• ????????????????????????????????????? 6 ??.
• ????????????????????????????????????? 4 8 ??.
• ?????????????? gt 45 ??. ????????????? gt 40 dia.
• ??????????? 2 3 ????????? ??????????
  ???????????????????????????? Dai. 8 mm. _at_20 cm.
  ??? tie bar

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• ????????? 9.15 ?????????????????????????????
  (limestone) ???????????????????????????? 20

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???????????????????? 3
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???????????????????????????? Dowel Bar
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???????????????????????????? Tie Bar
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Ex.9.4

• Truck 2200 ???/???/2 ways
• Growth rate 5
• Design life 20 yrs.
• Subgrade CBR 2
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• ?????????????? ?
• ???????????, ??????????????

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