JPH01160853A - Production of extremely highly fluidized concrete - Google Patents
Production of extremely highly fluidized concreteInfo
- Publication number
- JPH01160853A JPH01160853A JP32099187A JP32099187A JPH01160853A JP H01160853 A JPH01160853 A JP H01160853A JP 32099187 A JP32099187 A JP 32099187A JP 32099187 A JP32099187 A JP 32099187A JP H01160853 A JPH01160853 A JP H01160853A
- Authority
- JP
- Japan
- Prior art keywords
- reducing agent
- concrete
- compound
- mixer
- agent
- 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.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- -1 sulfonic acid compound Chemical class 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229920000896 Ethulose Polymers 0.000 claims abstract description 10
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims abstract description 10
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims abstract description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 6
- 238000004898 kneading Methods 0.000 claims abstract description 6
- 229920005610 lignin Polymers 0.000 claims abstract description 6
- 229920005862 polyol Polymers 0.000 claims abstract description 6
- 150000003077 polyols Chemical class 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims abstract 2
- 239000002253 acid Substances 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 2
- 239000002361 compost Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 239000004575 stone Substances 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004113 Sepiolite Substances 0.000 abstract 1
- 235000019355 sepiolite Nutrition 0.000 abstract 1
- 229910052624 sepiolite Inorganic materials 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 238000005243 fluidization Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
【発明の詳細な説明】
イ００発明目的
産業上の利用分野
本発明は、超高流動化コンクリートの製造方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention Field of the Invention The present invention relates to a method for producing ultra-highly fluidized concrete.
従来の技術
従来の流動化コンクリートは、単位水量を増加したり、
減水剤あるいは流動化剤を使用して単位水量を増さずに
、その流動性を保つようにしていた。Conventional technology Conventional fluidized concrete increases the unit water volume,
Water reducers or superplasticizers were used to maintain fluidity without increasing the unit water volume.
、発明が解決しようとする問題点
しかしなから、上記従来の流動化コンクリートは、単位
水量やセメント量の増大により乾燥収縮やブリージング
が多くて、ひび割れが発生し易いだけでなく、減水剤ま
たは流動化剤を使用した高スランプの流動化コンクリー
トでは、スランプロスが大きく品質管理が困難であった
。However, the above-mentioned conventional fluidized concrete suffers from a lot of drying shrinkage and breathing due to the increase in the unit amount of water and cement, and is not only prone to cracking, but also has problems with water reducing agents or fluidized concrete. Fluidized concrete with high slump using a curing agent has a large slump loss, making quality control difficult.
また、スランプを２２〜２４ｃ−に大きく、複雑な型枠
内や密度の高い配筋内へ打設した時、材料分離を生じて
ジャンカや砂肌が発生し易い等の相反する性質があって
、品質管理や施工管理が難しい等の問題点があった。In addition, when the slump is large (22 to 24 cm) and is cast into a complex formwork or dense reinforcement, material separation may occur, resulting in the formation of junks or sandy surfaces. However, there were problems such as difficulty in quality control and construction management.
本発明は上記従来の問題１点を解決するためになされた
もので、その目的とするところは、複雑な形状のコンク
リート部材、配筋密度の高い部材、或いは入隅部等のバ
イブレータ等による締め固め作業の困難な個所でも、締
め固め作業なしでも均一な品質で非常に良い流動性・充
填性を有し、材料分離の生じることのない超高流動化コ
ンクリートの製造方法を提供することにある。The present invention was made in order to solve one of the above-mentioned conventional problems, and its purpose is to tighten concrete members with complex shapes, members with high reinforcement density, or corner parts using vibrators, etc. The purpose of the present invention is to provide a method for producing ultra-highly fluidized concrete that has uniform quality, excellent fluidity and filling properties even without compaction work, even in places where compaction work is difficult, and does not cause material separation. .
口０発明の構成
問題点を解決するための手段
本発明方法により製造される超高流動化コンクリートは
、セメンと、骨材および水等から成るベースコンクリー
トに、分離低減剤と、消泡剤と、減水剤または流動化剤
と、を添加することにより構成されるが、この他、用途
に応じてフライアッシュ、シリカ７ユームや鉱物粘土な
どの混和材も使用することができる。Means for Solving the Constituent Problems of the Invention The ultra-high fluidity concrete produced by the method of the present invention includes a base concrete consisting of cement, aggregate, water, etc., and a separation reducing agent and an antifoaming agent. , a water reducing agent or a fluidizing agent. In addition, admixtures such as fly ash, silica, mineral clay, etc. can also be used depending on the purpose.
セメントの種類としては、ポルトランドセメンと、高炉
セメンと、シリカセメンと、プライアッシュセメント等
いずれを使用してもよい。As for the type of cement, any of Portland cement, blast furnace cement, silica cement, ply ash cement, etc. may be used.
骨材についても、砂、砂利、砕石など限定されず、ＪＩ
Ｓの基準に合格したものであればいずれを使用してもよ
い。Aggregates are not limited to sand, gravel, crushed stone, etc.
Any material may be used as long as it passes the S criteria.
分離低減剤としては、非イオン性の水溶性セルロースで
あるエチルヒドロキシエチルセルロース、セビオライト
系鉱物およびポリエチレンオキサイドを単独または混合
して使用し、その配合度はセメントに対してエチルヒド
ロキシエチルセルロースが０．０１〜２．０重量％、セ
ビオライト系鉱物がセメントに対して０．１〜５．０重
量％、またポリエチレンオキサイドがセメントに対して
０．０１〜３．０重量％である。As the separation reducing agent, ethyl hydroxyethyl cellulose, which is a nonionic water-soluble cellulose, Seviolite minerals, and polyethylene oxide are used alone or in combination, and the mixing ratio is 0.01 to 0.01 to 0.01 to 0.01 to 0.01 to 0.01 to 0.01 to 0.01 to 1,000,000 ethyl hydroxyethyl cellulose to the cement. 2.0% by weight of the seviolite mineral, 0.1 to 5.0% by weight of the cement, and 0.01 to 3.0% of the polyethylene oxide based on the cement.
消泡剤としては、非イオン性のＳＮデフォ−マー１４Ｈ
Ｐを使用し、その配合度はセメントに対して０．０１〜
１．０重量％であり、コンクリートの空気連行量が０．
１〜１０％の間で調整可能である。As an antifoaming agent, nonionic SN Deformer 14H is used.
P is used, and its blending ratio is 0.01 to 0.01 to cement.
1.0% by weight, and the amount of air entrained in the concrete is 0.
It can be adjusted between 1 and 10%.
減水剤または流動化剤は、一般に使用されているポリオ
ール複合体、リグニンスルホン酸化合物、オキシカルボ
ン酸塩、高縮合トリアジン系化合物、メラミンスルホン
酸塩系化合物等である。ただし、ナフタリンスルホン酸
塩高縮合物はエチルヒドロキシエチルセルロ−ス
Ｐと混合した時の流動性や充填性が充分確保できない。The water reducing agent or fluidizing agent is a commonly used polyol complex, lignin sulfonic acid compound, oxycarboxylate, highly condensed triazine compound, melamine sulfonate compound, or the like. However, the naphthalene sulfonate high condensate cannot ensure sufficient fluidity and filling properties when mixed with ethylhydroxyethylcellulose P.
上記配合度によるコンクリートの混練時の性状は、スラ
ンプが２０〜２７ｃｍ，スランプ７０−が４５〜８０ｃ
ｍおよび充填性が３５〜０で材料分離を生じない。The properties of concrete when mixed with the above mixing ratio are slump of 20 to 27 cm and slump of 70 to 45 to 80 cm.
When m and filling property are 35 to 0, material separation does not occur.
また、超高流動性能が混練後９０分程度でも保持でき、
ポンプ圧送前後の性状も変わらない。In addition, ultra-high fluidity can be maintained for about 90 minutes after kneading,
The properties before and after pumping are also unchanged.
さらに、上記添加剤を加える前のべ一スコンクリートと
比較しても、強度性能は変わらない。Furthermore, even when compared with the base concrete before adding the above additives, the strength performance remains unchanged.
次に、上記超高流動化コンクリートの各種製造方法につ
いて説明する。Next, various methods of manufacturing the above-mentioned ultra-high fluidization concrete will be explained.
（１）生コンプラントのミキサー（傾胴型、強制練り型
、その他）にセメンと、骨材、分離低減′″Ｍ（エチル
ヒドロキシエチルセルロース、セビオライと、ポリエチ
レンオキサイド）と、消泡剤（ＳＮデフォ−マー１４８
Ｐ）とを投入し、ミキサーの性能に応じて充分混合し、
その後、水と減水剤または流動化剤を添加して混練する
。(1) Add cement, aggregate, separation reduction'''M (ethyl hydroxyethyl cellulose, Sevioly, polyethylene oxide), and antifoaming agent (SN defo- Mar 148
P) and mix thoroughly according to the performance of the mixer.
Thereafter, water and a water reducing agent or a fluidizing agent are added and kneaded.
（２）練り上がった標準配合のコンクリートに分離低減
剤と、消泡剤と、減水剤または流動化剤と、をプラント
ミキサーに添加して再度混練する。(2) A separation reducing agent, an antifoaming agent, and a water reducing agent or fluidizing agent are added to the kneaded standard mix concrete in a plant mixer and kneaded again.
（３）ミキサー車に荷降しされた標準配合のコンクリー
トに現場到着後、分離低減剤と、消泡剤と、減水剤また
は流動化剤と、を添加してミキサー車で混練する。(3) After arriving at the site, the standard mixture concrete unloaded into a mixer truck is mixed with a separation reducing agent, an antifoaming agent, a water reducing agent or a fluidizing agent, and mixed in a mixer truck.
（４）全減水剤量の一部を予め添加して、スランプを２
０〜２５ｃｍの間にプラントミキサーで調整したコンク
リートに現場到着後、分離低減剤と、消泡剤と、残りの
減水剤または流動化剤と、を添加してミキサー車で混練
する。(4) Add a portion of the total amount of water reducing agent in advance to reduce the slump by 2
After arriving at the site, the concrete adjusted to a thickness of 0 to 25 cm with a plant mixer is mixed with a separation reducing agent, an antifoaming agent, and the remaining water reducing agent or fluidizing agent with a mixer truck.
実施例
ベースコンクリートとしては！＠１表に示す配合とした
。As an example base concrete! The formulation shown in Table @1 was used.
上記配合のベースコンクリートに、エチルヒドロキシエ
チルセルロ−ズ
３重量％、非イオン性のＳＮデフォ−マー１４ＨＰを同
じくセメントに対して０．１重量％、減水剤としてＮＬ
−４０００をセメントに対して３。Add 3% by weight of ethyl hydroxyethyl cellulose to the above-mentioned base concrete, 0.1% by weight of non-ionic SN Deformer 14HP based on cement, and NL as a water reducing agent.
-4000 to 3 for cement.
０重量％それぞれ添加して超高流動化コンクリートを得
た。Ultra-highly fluidized concrete was obtained by adding 0% by weight of each.
上記超高流動化コンクリートの性状は、第２表に示す通
りである。The properties of the ultra-highly fluidized concrete are shown in Table 2.
第１
上記第２表の性状の内、スランプの値はＪＩＳＡｌｌｏ
ｌのスランプ試験方法に基づいて得られた。1 Among the properties in Table 2 above, the slump value is JISAllo
It was obtained based on the slump test method of 1.
また、スランプ７０−の値は、第１図に示すように、ま
ず、鉄板１の上にスランプ試験用のスランプコーン２を
置いて、この中に上記超高流動化コンクリート３を上端
まで充填した後、上記スランプコーン２を静かに鉛直に
引き上げ、その時に超高流動化コンクリート３が鉄板１
上に広がった広がり直径の最大値と見られる所および、
その直角方向の２笛所を測り、平均値をスランプ７０−
値とする。In addition, the value of slump 70- is calculated by first placing a slump cone 2 for the slump test on the iron plate 1 and filling it with the ultra-highly fluidized concrete 3 up to the upper end, as shown in Fig. 1. After that, the slump cone 2 is gently pulled up vertically, and at that time, the ultra-highly fluidized concrete 3 is attached to the steel plate 1.
The point that appears to be the maximum value of the spreading diameter that spreads upward, and
Measure the two whistle stations in the perpendicular direction, and calculate the average value with a slump of 70-
value.
さらに、上記充填性の値については、第２図（Ａ）に示
すように、仕切板４で仕切ったボックス５の片側の第１
室６に超高流動化コンクリート７を底板８から４０ｃ驕
の高さまで充填し、その後、仕切板４を上方へ引き上げ
て、第２図（Ｂ）に示すように、底板８から１２ｃｍの
高さ位置に停止させ、超高流動化コンクリート７が第１
室６から第２室９へ流動し、第２室９に充填された時の
第１室と第２室の超高流動化コンクリート７の高さの差
Ｈをもって、充填性の値とする。Furthermore, regarding the above-mentioned filling property value, as shown in FIG. 2(A), the first
The chamber 6 is filled with ultra-highly fluidized concrete 7 to a height of 40 cm from the bottom plate 8, and then the partition plate 4 is pulled upward to a height of 12 cm from the bottom plate 8, as shown in Fig. 2 (B). The ultra-highly fluidized concrete 7 is stopped at the first position.
When the concrete flows from the chamber 6 to the second chamber 9 and the second chamber 9 is filled, the difference H between the heights of the ultra-highly fluidized concrete 7 in the first chamber and the second chamber is taken as the filling property value.
さらにまた、超高流動化コンクリートの強度特性につい
ては、ｔＩｔＪ３図（Ａ）に示すような、柱状の実大構
造物１０内に比較のためのベースコンクリート１１を打
設すると共に、第３図（Ｂ）に示すような、同様の柱状
実大構造物１２内に本発明の超高流動化コンクリート１
３を打設する。Furthermore, regarding the strength characteristics of ultra-highly fluidized concrete, base concrete 11 for comparison was placed inside a full-sized columnar structure 10 as shown in Figure 3 (A), and The ultra-highly fluidized concrete 1 of the present invention is placed in a similar full-sized columnar structure 12 as shown in B).
3.
打設方法としでは、第３図（Ａ）のベースコンクリート
１１の場合には、ＩＮを５０ｃｕずつ打ちなから高周波
枠パイブレークー３台により締め固め、１層毎に２０秒
間実施した。As for the pouring method, in the case of the base concrete 11 shown in FIG. 3(A), IN was poured at a rate of 50 cu and compacted using three high-frequency frame pie breakers for 20 seconds for each layer.
第３図（Ｂ）に示す超高流動化コンクリート１３の場合
には、コンクリートを締め固め作業なしで、連続的に打
設した。In the case of the ultra-highly fluidized concrete 13 shown in FIG. 3(B), the concrete was poured continuously without any compaction work.
その結果は、第４図に示すように、いずれの高さにおい
ても強度はほぼ同じであり、本発明の超高流動化コンク
リートは、ベースコンクリートに比べで、強度が低下す
ることはないことが判った６尚、本発明の超高流動化コ
ンクリートの用途としては、ＲＣ中高層住宅、２０桁、
中空スラブ等の部材厚が薄くて配筋密度の高い経済設計
の構造物や、中空部のある壁、打込高さの高い杭、連続
壁、水中構造物、ＲＴライニング等の締め固め困難な構
造物や、鉄筋の代わりに錆の発生の心配がなくてかぶり
厚さを少なくすることのできる繊維間隔の狭い長繊維を
使った構造物等がある。As shown in Fig. 4, the strength is almost the same at all heights, indicating that the strength of the ultra-highly fluidized concrete of the present invention does not decrease compared to the base concrete. 6 In addition, the applications of the ultra-highly fluidized concrete of the present invention include RC mid-to-high-rise housing, 20-digit,
Economically designed structures with thin members such as hollow slabs and high reinforcement density, walls with hollow parts, piles with high driving height, continuous walls, underwater structures, RT linings, etc. that are difficult to compact. There are structures and structures that use long fibers with narrow fiber spacing, which can reduce the cover thickness without worrying about rust formation, instead of reinforcing bars.
ハ０発明の効果
（１）バイブレータ−等による締め固め作業が不要にな
るので、施工が合理化・省力化されて、工費が安価にな
る。Effects of the Invention (1) Since compaction work using a vibrator or the like is not required, construction is streamlined and labor-saving, resulting in lower construction costs.
（２）材料分離がないので、ジャンカや砂肌等が発生す
ることがなく、高強度を保つことができる。(2) Since there is no material separation, there is no occurrence of jitters or sandy surfaces, and high strength can be maintained.
（３）流動性・充填性が良いので、複雑な形状の型枠内
や密な配筋内への充填が容易である。(3) Good fluidity and filling properties make it easy to fill molds with complex shapes or dense reinforcement.
（４）スランプの経時変化が少なく、品質管理が容易で
ある。(4) There is little change in slump over time, and quality control is easy.
（５）現場での人為的ミスによる欠陥、交通事情による
品質の低下やバラツキ等が少なくなり、耐久性・信頼性
の高いコンクリートが施工できる。(5) Defects caused by human error on site, deterioration in quality and variations due to traffic conditions are reduced, and highly durable and reliable concrete can be constructed.
第１図はスランプ７０−試験の説明図、Ｐ１４２図（Ａ
）ＣＢ）は充填性試験の説明図、第３図（Ａ）（Ｂ）は
強度試験の説明図、第４図は柱状構造物の高さによる強
度変化の比較を示すグラフである。
１・・・鉄板、２・・・スランプコーン、３・・・超高
流動化コンクリーと、４・・・仕切板、５・・・ボック
ス、６・・・第１室、−７・・・超高流動化コンクリー
と、８・・・底板、９・・・第２室、１０−・・柱状実
大構造物、１１・・・ベースコンクリーと、１２・・・
柱状実大構造物、１３・・・超高流動化コンクリート。Figure 1 is an explanatory diagram of the slump 70 test, Figure P142 (A
) CB) is an explanatory diagram of the filling test, FIGS. 3(A) and 3(B) are explanatory diagrams of the strength test, and FIG. 4 is a graph showing a comparison of strength changes depending on the height of the columnar structure. DESCRIPTION OF SYMBOLS 1... Iron plate, 2... Slump cone, 3... Ultra-high fluidization concrete, 4... Partition plate, 5... Box, 6... First chamber, -7... Ultra-high fluidization concrete, 8--bottom plate, 9--second chamber, 10--column full-size structure, 11--base concrete, 12--
Columnar full-size structure, 13...Ultra-high fluidization concrete.
Claims (4)
、エチルヒドロキシエチルセルロースやセビオライトま
たはポリエチレンオキサイドから成る分離低減剤と、Ｓ
Ｎデフォーマー１４ＨＰから成る消泡剤とを投入し、ミ
キサーの性能に応じて充分混合し、その後、水と、ポリ
オール複合体、リグニンスルホン酸化合物、オキシカル
ボン酸塩、高縮合トリアジン系化合物、メラミンスルホ
ン酸塩系化合物等から成る減水剤または流動化剤を添加
して混練することを特徴とする超高流動化コンクリート
の製造方法。(1) Add cement, aggregate, and a separation reducing agent consisting of ethyl hydroxyethyl cellulose, Seviolite, or polyethylene oxide to a mixer for fresh compost;
A defoaming agent consisting of N Deformer 14HP is added and mixed thoroughly according to the performance of the mixer, and then water, a polyol complex, a lignin sulfonic acid compound, an oxycarboxylic acid salt, a highly condensed triazine compound, and a melamine sulfone are added. A method for producing ultra-highly fluidized concrete, which comprises adding and kneading a water reducing agent or a fluidizing agent consisting of an acid-based compound or the like.
ヒドロキシエチルセルロースやセビオライトまたはポリ
エチレンオキサイドから成る分離低減剤と、ＳＮデフォ
ーマー１４ＨＰから成る消泡剤と、ポリオール複合体、
リグニンスルホン酸化合物、オキシカルボン酸塩、高縮
合トリアジン系化合物、メラミンスルホン酸塩系化合物
等から成る減水剤または流動化剤と、をプラントミキサ
ーに添加して再度混練することを特徴とする超高流動化
コンクリートの製造方法。(2) A separation reducing agent made of ethyl hydroxyethyl cellulose, Seviolite or polyethylene oxide, an antifoaming agent made of SN Deformer 14HP, and a polyol composite are added to the kneaded standard mix concrete,
A water reducing agent or a fluidizing agent consisting of a lignin sulfonic acid compound, an oxycarboxylic acid salt, a highly condensed triazine compound, a melamine sulfonate compound, etc. is added to a plant mixer and kneaded again. Method for producing fluidized concrete.
トに現場到着後、エチルヒドロキシエチルセルロースや
セビオライトまたはポリエチレンオキサイドから成る分
離低減剤と、ＳＮデフォーマー１４ＨＰから成る消泡剤
と、ポリオール複合体、リグニンスルホン酸化合物、オ
キシカルボン酸塩、高縮合トリアジン系化合物、メラミ
ンスルホン酸塩系化合物等の減水剤または流動化剤と、
を添加してミキサー車で混練することを特徴とする超高
流動化コンクリートの製造方法。(3) After arriving at the site, the standard mixture concrete unloaded into a mixer truck is treated with a separation reducing agent consisting of ethyl hydroxyethyl cellulose, Seviolite, or polyethylene oxide, an antifoaming agent consisting of SN Deformer 14HP, a polyol complex, and lignin. A water reducing agent or fluidizing agent such as a sulfonic acid compound, an oxycarboxylate, a highly condensed triazine compound, a melamine sulfonate compound,
A method for producing ultra-highly fluidized concrete, which is characterized by adding and kneading it in a mixer truck.
オキシカルボン酸塩、高縮合トリアジン系化合物、メラ
ミンスルホン酸塩系化合物等の全減水剤量の一部を予め
添加して、スランプを２０〜２５ｃｍの間にプラントミ
キサーで調整したコンクリートに現場到着後、エチルヒ
ドロキシエチルセルロースやセビオライトやポリエチレ
ンオキサイドの分離低減剤と、ＳＮデフォーマー１４Ｈ
Ｐから成る消泡剤と、残りの減水剤または流動化剤と、
を添加してミキサー車で混練することを特徴とする超高
流動化コンクリートの製造方法。(4) polyol complex, lignin sulfonic acid compound,
After arriving at the site, a portion of the total amount of water reducing agent such as oxycarboxylate, highly condensed triazine compound, melamine sulfonate compound, etc. is added in advance, and the slump is adjusted to 20 to 25 cm using a plant mixer. , ethyl hydroxyethyl cellulose, Seviolite, polyethylene oxide separation reducing agent, and SN Deformer 14H
An antifoaming agent consisting of P, the remaining water reducing agent or fluidizing agent,
A method for producing ultra-highly fluidized concrete, which is characterized by adding and kneading it in a mixer truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62320991A JP2602438B2 (en) | 1987-12-18 | 1987-12-18 | Manufacturing method of ultra-high fluidity concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62320991A JP2602438B2 (en) | 1987-12-18 | 1987-12-18 | Manufacturing method of ultra-high fluidity concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160853A true JPH01160853A (en) | 1989-06-23 |
| JP2602438B2 JP2602438B2 (en) | 1997-04-23 |
Family
ID=18127563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62320991A Expired - Lifetime JP2602438B2 (en) | 1987-12-18 | 1987-12-18 | Manufacturing method of ultra-high fluidity concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2602438B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630742A (en) * | 2016-12-21 | 2017-05-10 | 柳州市昌泉贸易有限公司 | Foaming agent for mining filling and preparation method of foaming agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141448A (en) * | 1983-01-28 | 1984-08-14 | 信越化学工業株式会社 | Aid for spray working |
| JPS59227754A (en) * | 1983-06-06 | 1984-12-21 | 三井化学株式会社 | Low shrinkage self leveling material |
-
1987
- 1987-12-18 JP JP62320991A patent/JP2602438B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141448A (en) * | 1983-01-28 | 1984-08-14 | 信越化学工業株式会社 | Aid for spray working |
| JPS59227754A (en) * | 1983-06-06 | 1984-12-21 | 三井化学株式会社 | Low shrinkage self leveling material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630742A (en) * | 2016-12-21 | 2017-05-10 | 柳州市昌泉贸易有限公司 | Foaming agent for mining filling and preparation method of foaming agent |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2602438B2 (en) | 1997-04-23 |
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