JP5248358B2 - 高強度コンクリート用粗骨材の選定方法 - Google Patents
高強度コンクリート用粗骨材の選定方法 Download PDFInfo
- Publication number
- JP5248358B2 JP5248358B2 JP2009028107A JP2009028107A JP5248358B2 JP 5248358 B2 JP5248358 B2 JP 5248358B2 JP 2009028107 A JP2009028107 A JP 2009028107A JP 2009028107 A JP2009028107 A JP 2009028107A JP 5248358 B2 JP5248358 B2 JP 5248358B2
- Authority
- JP
- Japan
- Prior art keywords
- coarse aggregate
- elastic modulus
- static elastic
- pore volume
- total pore
- Prior art date
- 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.)
- Active
Links
- 239000011372 high-strength concrete Substances 0.000 title claims description 29
- 239000011148 porous material Substances 0.000 claims description 100
- 230000003068 static effect Effects 0.000 claims description 98
- 238000000034 method Methods 0.000 claims description 27
- 239000004567 concrete Substances 0.000 claims description 25
- 239000004575 stone Substances 0.000 description 17
- 238000005259 measurement Methods 0.000 description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 10
- 229910052753 mercury Inorganic materials 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052626 biotite Inorganic materials 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- OEERIBPGRSLGEK-UHFFFAOYSA-N carbon dioxide;methanol Chemical compound OC.O=C=O OEERIBPGRSLGEK-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 rhyolite Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
予め粗骨材原石から切り出した試料で静弾性係数を測定する工程と、
前記粗骨材原石を粗砕して、粗骨材とし、ポロシメータでの下限値を0.003μmから0.004μmで設定し、上限値を0.2μmから30μmで設定する細孔径の範囲で前記粗骨材の総細孔容積を測定する工程と、
前記静弾性係数の測定値と前記総細孔容積の測定値との相関式を作成する工程と、
選定対象の粗骨材の総細孔容積を前記細孔径の範囲で測定して、選定対象の粗骨材の静弾性係数値を前記相関式から決定する工程と、
を含む高強度コンクリート用粗骨材の静弾性係数の決定方法(請求項1の方法)、を提供する。
所望の圧縮強度のコンクリート製造にあたって、選定対象の粗骨材を、請求項1乃至4のいずれかの方法で決定した静弾性係数値を用いて、前関係式から圧縮強度を算出し、所望の圧縮強度に対応する粗骨材を合格とする高強度コンクリート用粗骨材の選定方法(請求項5の方法)、を提供する。
ここで求めた静弾性係数と総細孔容積(細孔径0.003〜30μm)の相関を示す回帰式y=−2.66x+85.3の相関係数は、R=0.92 であった。
ここで求めた静弾性係数と総細孔容積(細孔径0.003〜0.2μm)の相関を示す回帰式y=−3.17x+79.8の相関係数は、R=0.94 であった。
Claims (5)
- 高強度コンクリート用粗骨材の静弾性係数の決定方法であって、
予め粗骨材原石から切り出した試料で静弾性係数を測定する工程と、
前記粗骨材原石を粗砕して、粗骨材とし、ポロシメータでの下限値を0.003μmから0.004μmで設定し、上限値を0.2μmから30μmで設定する細孔径の範囲で前記粗骨材の総細孔容積を測定する工程と、
前記静弾性係数の測定値と前記総細孔容積の測定値との相関式を作成する工程と、
選定対象の粗骨材の総細孔容積を前記細孔径の範囲で測定して、選定対象の粗骨材の静弾性係数値を前記相関式から決定する工程と、
を含む粗骨材の静弾性係数の決定方法。 - 前記ポロシメータでの測定細孔径の下限値が、0.003μmであり、上限値が0.2μmである請求項1記載の高強度コンクリート用粗骨材の静弾性係数の決定方法。
- 0.003μmから0.2μmの細孔径の範囲で選定対象の粗骨材の総細孔容積を測定し、相関式 y=−3.17x+79.8 (y:静弾性係数 x:総細孔容積)から粗骨材の静弾性係数を決定する高強度コンクリート用粗骨材の静弾性係数の決定方法。
- 0.003μmから30μmの細孔径の範囲で選定対象の粗骨材の総細孔容積を測定し、相関式 y=−2.66x+85.3 (y:静弾性係数 x:総細孔容積)から粗骨材の静弾性係数を決定する高強度コンクリート用粗骨材の静弾性係数の決定方法。
- 予め粗骨材の静弾性係数とこれを用いたコンクリートの圧縮強度の関係式を求めておき、
所望の圧縮強度のコンクリート製造にあたって、選定対象の粗骨材を、請求項1乃至4のいずれかで決定した静弾性係数値を用いて、前関係式から圧縮強度を算出し、所望の圧縮強度に対応する粗骨材を合格とする高強度コンクリート用粗骨材の選定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028107A JP5248358B2 (ja) | 2009-02-10 | 2009-02-10 | 高強度コンクリート用粗骨材の選定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028107A JP5248358B2 (ja) | 2009-02-10 | 2009-02-10 | 高強度コンクリート用粗骨材の選定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010185669A JP2010185669A (ja) | 2010-08-26 |
JP5248358B2 true JP5248358B2 (ja) | 2013-07-31 |
Family
ID=42766424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009028107A Active JP5248358B2 (ja) | 2009-02-10 | 2009-02-10 | 高強度コンクリート用粗骨材の選定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5248358B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5814717B2 (ja) * | 2011-09-28 | 2015-11-17 | 清水建設株式会社 | 若材齢吹き付けコンクリートの静弾性係数の推定方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4268065B2 (ja) * | 2004-02-09 | 2009-05-27 | 大成建設株式会社 | コンクリート強度の推定方法 |
JP4643291B2 (ja) * | 2005-02-03 | 2011-03-02 | 大成建設株式会社 | 粗骨材選定方法 |
-
2009
- 2009-02-10 JP JP2009028107A patent/JP5248358B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010185669A (ja) | 2010-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Qiu et al. | Effect of tailings fineness on flow, strength, ultrasonic and microstructure characteristics of cemented paste backfill | |
Kabir et al. | Recycled construction debris as concrete aggregate for sustainable construction materials | |
Prakash et al. | Strength characteristics of quarry dust in replacement of sand | |
Muhit et al. | Influence of crushed coarse aggregates on properties of concrete | |
Meko et al. | Utilization of Cordia Africana wood sawdust ash as partial cement replacement in C 25 concrete | |
Pepe et al. | Mechanical behaviour of coarse, lightweight, recycled and natural aggregates for concrete | |
Ma et al. | Experimental study on fractal characteristics and energy dissipation of stabilized soil based on SHPB test | |
Mohammed1a et al. | Utilization of steel slag in concrete as coarse aggregate | |
Kasap et al. | Predicting long-term impact of cementitious mine fill considering sand as a copper-tailings substitution | |
Wang et al. | Effect of crushed air-cooled blast furnace slag on mechanical properties of concrete | |
Manikandan et al. | Partial replacement of aggregate with ceramic tile in concrete | |
Rastegarnia et al. | Application of cuttings to estimate the static characteristics of the dolomudstone rocks | |
JP5248358B2 (ja) | 高強度コンクリート用粗骨材の選定方法 | |
Ahmed et al. | An experimental study on the availability of solid waste of mines and quarries as coarse aggregate in concrete mixes | |
Makani | Analytical estimate of the mechanical behavior of rock: Granitic aggregates | |
Paglia et al. | Preliminary exploration of recycling cementitious aggregates in the building field | |
JP5340846B2 (ja) | 粗骨材の圧縮強度管理方法 | |
JP5236545B2 (ja) | 高強度コンクリート用粗骨材の選定方法及びその方法により選定された粗骨材を用いる高強度コンクリートの製造方法 | |
Singh et al. | Impact of crushed limestone dust on concrete’s properties | |
CN106896220A (zh) | 一种竖井投料还原试验方法 | |
Abdelaal et al. | Enhancing ordinary Portland cement Mortar's engineering specifications using pumice stone | |
Mamat et al. | Evaluating the Performance of Unconfined Compressive Strength of Trong Clay Stabilized with Granite Sludge | |
Hefni et al. | A review of the properties of foam mine fill | |
Butar-butar et al. | Physical Characteristics of Laboratory Tested Concrete as a Substituion of Gravel on Normal Concrete | |
Sinha et al. | An Experimental study on Effects of Quarry Dust as Partial Replacement of sand in concrete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20100813 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120104 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130409 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130410 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5248358 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160419 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |