KR101801552B1 - 포장용 콘크리트 블록 - Google Patents
포장용 콘크리트 블록 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 바람직한 일실시예에 따른 포장용 콘크리트 블록의 표층부의 구조도이다.
도 3은 본 발명의 바람직한 일실시예에 따른 포장용 콘크리트 블록 완제품의 이미지이다.
도 4는 본 발명의 바람직한 일실시예에 따른 칼라 무늬들이 형성된 포장용 콘크리트 블록 완제품의 이미지이다.
Claims (10)
- 기층부 및 상기 기층부에 적층된 표층부를 포함하는 콘크리트 블록에 있어서,
상기 콘크리트 블록은 투수성 블록이며,
상기 기층부는 보통포틀랜드시멘트 100중량부에 대하여 PVA 섬유보강재를 1.3 ~ 8.4 중량부 포함하며, 상기 표층부는 백시멘트 100 중량부에 대하여 평균입도 2.5 ~ 5mm의 천연골재를 150 ~ 500중량부 포함하고, 상기 표층부의 표면에 요철부가 형성되어 있으며,
상기 콘크리트 블록은 하기 a) ~ f)의조건을 모두 만족하는 것을 특징으로 하는 포장용 콘크리트 블록.
a) 3A + G ≥ B
b) D + F ≤ E
c) C ≤ 2D ≤ G
d) A + C + D + E + F + G < B
e) J ≤ H + I
f) H ≤ K + L ≤ I
(이 때, A 내지 L은 하기와 같다. 상기 기층부의 보통포틀랜드시멘트 100 중량부에 대한 잔골재의 중량부 A, 굵은 골재의 중량부 B, 제올라이트의 중량부 C, 실리카흄의 중량부 D, 고성능 AE 감수제 중량부 E, PVA 섬유보강재 중량부 F, 물의 중량부 G이다. 또한, 상기 표층부의 백시멘트 100 중량부에 대한 무기안료의 중량부H, 천연규사의 중량부 I, 천연골재의 중량부 J, 동슬래그의 중량부 K, 제올라이트의 중량부 L이다.)
- 기층부 및 상기 기층부에 적층된 표층부를 포함하는 콘크리트 블록에 있어서,
상기 콘크리트 블록은 불투수성 블록이며,
상기 기층부는 보통포틀랜드시멘트 100중량부에 대하여 PVA 섬유보강재를 1.3 ~ 8.4 중량부 포함하며, 상기 표층부는 백시멘트 100 중량부에 대하여 평균입도 2.5 ~ 5mm의 천연골재를 150 ~ 500중량부 포함하고, 상기 표층부의 표면에 요철부가 형성되어 있으며,
상기 콘크리트 블록은 하기 g) ~ l)의 조건을 모두 만족하는 것을 특징으로 하는 포장용 콘크리트 블록.
g) C + D ≤ B
h) 9C ≤ A ≤ 3B + 2G
i) 3F ≤ D ≤ E j) B + C + D + E + F + G < A
k) J ≤ H + I
l) H ≤ K + L ≤ I
(이 때, A 내지 L은 하기와 같다. 상기 기층부의 보통포틀랜드시멘트 100 중량부에 대한 잔골재의 중량부 A, 굵은 골재의 중량부 B, 제올라이트의 중량부 C, 실리카흄의 중량부 D, 고성능 AE 감수제 중량부 E, PVA 섬유보강재 중량부 F, 물의 중량부 G이다. 또한, 상기 표층부의 백시멘트 100 중량부에 대한 무기안료의 중량부H, 천연규사의 중량부 I, 천연골재의 중량부 J, 동슬래그의 중량부 K, 제올라이트의 중량부 L이다.)
- 삭제
- 삭제
- 제1항 또는 제2항에 있어서,
상기 콘크리트 블록은 하기의 조건을 더 만족하는 것을 특징으로 하는 포장용 콘크리트 블록.
m) 200 ≤ A + B + C + D + E + F + G ≤ 800
n) 600 ≤ H + I + J + K + L ≤ 1500
- 제5항에 있어서,
상기 콘크리트 블록은 하기 o) ~ s)의 조건을 모두 만족하는 것을 특징으로 하는 포장용 콘크리트 블록.
o) 휨강도가 하기의 가. 및 나.의 조건을 만족할 것.
가. 상기 콘크리트 블록이 투수성인 경우 보도용 T60은 4.0 MPa 이상이고, 차도용 T80은 5.0 MPa 이상
나. 상기 콘크리트 블록이 불투수성인 경우 5.0 MPa 이상
p) 상기 콘크리트 블록이 투수성인 경우, 투수계수가 0.1 mm/s 이상
q) 상기 콘크리트 블록이 불투수성인 경우, 흡수율이 7% 이하
r) 동결 융해에 대한 저항성이 휨강도의 80% 이상
s) 미끄럼 저항성이 50 BPN 이상
- 삭제
- 삭제
- 삭제
- 삭제
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