JPH0439905Y2 - - Google Patents

Info

Publication number

JPH0439905Y2

JPH0439905Y2 JP13562789U JP13562789U JPH0439905Y2 JP H0439905 Y2 JPH0439905 Y2 JP H0439905Y2 JP 13562789 U JP13562789 U JP 13562789U JP 13562789 U JP13562789 U JP 13562789U JP H0439905 Y2 JPH0439905 Y2 JP H0439905Y2

Authority

JP

Japan

Prior art keywords

wall

hollow

underdrain

block

thickness

Prior art date

1989-11-22

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 239000000463 material Substances 0.000 claims description 6
• 229910000831 Steel Inorganic materials 0.000 description 11
• 239000010959 steel Substances 0.000 description 11
• 239000004570 mortar (masonry) Substances 0.000 description 8
• 239000004567 concrete Substances 0.000 description 7
• 230000005540 biological transmission Effects 0.000 description 6
• 239000002689 soil Substances 0.000 description 6
• 230000015572 biosynthetic process Effects 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 239000007787 solid Substances 0.000 description 3
• 238000000465 moulding Methods 0.000 description 2
• 239000004568 cement Substances 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 239000011150 reinforced concrete Substances 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 238000005728 strengthening Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1