防水層に対する地下茎先端の押し付け力測定装置の開発と測定結果

書誌事項

タイトル別名
  • DEVELOPMENT OF APPARATUS FOR MEASURING PENETRATION FORCE OF RHIZOME TIP, AND SOME MEASURED FORCE ON BAMBOO GRASS AND LAWN GRASS
  • ボウスイソウ ニ タイスル チカケイ センタン ノ オシツケ リョク ソクテイ ソウチ ノ カイハツ ト ソクテイ ケッカ

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抄録

The resistance of membranes to rhizome and root penetration is also important for green roof as well as the other performances for waterproofing. For suitably estimate membranes for this purpose, the actual penetrating force of them to membranes has to make clear. Using the inherent nature of them seeking and growing for moisture, the apparatus for measuring penetrating force was developed. Penetrating forces of rhizome tips of bamboo grass and lawn grass were measured from spring to summer. They increased in a few weeks with periodically swinging in day and night, and the maximum forces of 9.8N and 6N were observed respectively.

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