TW386127B - The mixing and placing method for lightweight concrete - Google Patents

The mixing and placing method for lightweight concrete Download PDF

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Publication number
TW386127B
TW386127B TW85104868A TW85104868A TW386127B TW 386127 B TW386127 B TW 386127B TW 85104868 A TW85104868 A TW 85104868A TW 85104868 A TW85104868 A TW 85104868A TW 386127 B TW386127 B TW 386127B
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Taiwan
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mixed
cement
sand
stone
concrete
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TW85104868A
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Chinese (zh)
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Shiou-Shing Chiou
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Chiou Shiou Shing
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Abstract

The invention provides a mixing and placing method for lightweight concrete that has the lightweight aggregates of density below 1.0. The main idea and methods are as the follow describing. The lightweight aggregates are wetted as the surface-dry saturation-state then mixed with concrete cement. The vesicant or expandability aluminum-powder are mixed follow water-cement ratio as 0.1~1.0%. The next step is to mix the concrete slurry and the vesicant or expandability aluminum-powder. Finally, the wetted lightweight aggregates are added into the slurry with suitably mixing. After previous works, we don't need compacting or vibrating the forms at placing or after placing.

Description

經濟部中央標準局,肩工消費合作社印製 A7 B7 五、發明説明(工) 本發明爲關於輕質石(砂)混凝土之混合攪拌及灌漿方法:主要爲將比重i ,0以 下之硬、韌、輕之輕質石(砂)和水泥漿混台擾拌成輕質砂、石混凝土。 本發明混合攪拌之輕質砂、石混凝土主要適用於灌製超高大樓之權幕牆預鑄隔 間牆,Ιΐ〇其成品強度可釘飽、釘,而優於一般發泡水泥者。. 在土地狹小而人口又急速膨脹,造成無殼人民及社會諸多困擾和成本。唯有向(空 中)’超尚大樓發展才能解決問題,而超高大樓結構需輕、堅、,而—般混凝土之高 比重遂成了頭痛焦點,其中,以混凝土之砂石'水泥其自重最令人傷祥,傳統砂石其 重量非能減輕成本和具經濟成效(傳統砂比重2.62,石頭爲2 · ό,7]c泥爲3 · 15),故 勢必須加以硏究'推展。 因此發明強度優於縛塊之輕質石(砂)(視粒徑可輕達0.4至丨.9之比重)以俟超 高大樓結構混凝土及隔間(帷幕)之用,乃爲必要。 而此類具玻璃質表面之硬質輕質石(砂)亦已經爲發明人所硏發製成(另案申請案號 S5104S67),唯其雖可g高建築成本降低(自重減低、降低鐦構使用量、增力酿用空 間)、而結構更強,但比重在1 .〇以下之輕質石(砂)〔包括傳統之爐渣〕在直接以傳 統方式直接將水、水泥及輕貢石一起混合攪摔爲混凝土漿時卻易產生剝離現象(輕質石 '浮出水面而水泥沉底*故坍度應爲8cra至Hem爲宜),故,傳統上無法將比重1以下 之輕質石直接混拌爲輕質混凝土,多半加上發泡劑一起混拌’而輕質石用量也較少V 大部份骨材仍爲傳統比重大於1之砂,易言之,傳統上大致有下列兩種「$莖質」產品: (1) 輕質發泡水泥(板): 以發泡劑加入水及水泥中一起混拌,澆製後待發泡穩定後抹除多餘部分即可;此 類成品鬆軟易脆,只能純隔間,且表面一定要再粉刷或貼公葙(護)表板,否則易生 粉塵(剝落h (2) 輕質混凝土: 以發泡劑加入水及水泥和骨材一起混拌,其中骨材可部份以輕質材(如爐灰)(但 本紙張尺度適用中國國家標锋-(CNS ) M規格U10 X297公釐) II----^丨-lir 〒— (請先閲讀背面之注意事項再填寫本頁) :訂 Μ 五、發明説明(2) A7 B7 經濟部中央標準局員工消費合作社印製 大部份比重均大於1 )取代·,跆類成品結構比輕質發泡水泥強,但因骨材與發泡水泥 之結合差,常易剝離’整體強度品質不均,尤其取代的輕質材部份和水泥之結合更_ : 其成品缺點就易有空洞,結構強度不均。 另,目前世界上(他國)亦有以鋁合金粉末作爲試驗用之膨脹水泥之膨脹劑,惟 其周途類ί以發泡劑’且實甩上之確切技術與範圍仍不明朗,其實周技術手段仍有待發 掘,發明人乃再著手解決之,歴經多次試驗後,終得本發明,而本發明之目的即在提 洪輕質石(砂)混凝土之混合攪拌及灌漿方法,,期使比重1 .〇以下之輕質石(砂)可和水 泥漿等混合攪捽均勻,而可用於灌發。 至於本發明實例之詳細內容如下(並請同時參見附件一 ’本發明實例之照片,內 容包括試製之樣品及破壞後之內部結構照片): 願: (Α)水泥:其比重約3.15 (Β)水:其比重爲1 (C) 輕質石(砂):其比重約〇. 4〜1.0 Μ fL-s, (D) 藥劑一 發泡劑(水性)比重約1.6,膨脹鋁比重約0.3〜0.5,催氣劑比童約0.3〜 0.4,其中部份水泥與水先混合擾拌成水泥漿,而本發明特徵之攪拌方法 如下: (一) 輕質石(砂)(〇先濡濕至面乾飽和(浸水約15分至30分鐘德乾即可’ 以利水泥附著); (二) 混合水泥與輕質石材{A)及(C) 周以促使輕質石材附著水泥增加握 裹; (三) 混合水及藥劑(B)及(D);攪拌至均句; (四) 混合(二)[(A)+(C)]及(三)[(BH(D)]及已攪持妥之水泥漿; 本紙張尺度適用中國國家標隼(CNs ) /U規格(210X297公釐) ^«n - --- I ml 1 I. - ί ϋ (諸先聞讀背面之注意事項存填寫本頁) 订 凌.. ij. '—--I n —1 A7 B7 五、發明説明( (五)灌漿時不宜震攪:以免輕質砂、石浮出、剝離。 而^實驗過程如下: (1)水泥比重爲3 · ί5、水比重爲1,其比重相較之下不易融合而易於稀 釋、破壞水泥之捱裏與黏結,實驗其水灰比約0.2〜0.4比較適切。 ⑶水,其比重爲1而輕質砂石比重爲0.4〜1.0,放入輕質石頭因而浮 出水面也無法和3.15之水泥融合而造成剝離現象。 (3) 故胃碌石比重0.4〜1.0,不易使水泥3.15、水1.0及輕質砂石直 、(D)結合,(經實驗發泡或膨脹率,其薬劑量 倉§+淀^^^¥、密質改變效率達約10%以上),且單位藥劑容量小 使用量約水泥重之0.1%〜;L0%而以約0.2%〜0.4%較理想,故不能 直接滲入水泥中,因易造成分佈不均,導致品質不易控制。 (4) 結合水及藥劑(前提及之(B)(D)),以人工或機具擾样,促使藥劑或銘 粉催氣劑融合水中進而促成水泥與輕質砂石結合:使水泥分怖握裹於 輕質砂石的四週。(水泥易均勻的膨脹而塡充四週隙孔,不至於形成 蜂巢而更穩定品質增^強度),並增進施工度。 (5) 當灌漿時,注意不要以震動機或震動棒伸入水泥漿內震動(傳統上係 用以「震」出氣泡);如(D )項所述,水泥會改變體積密質而塡充隙 孔。 遂' ⑹其輕及纖維吝吸音之因素爲纖維狀 經濟部中央標準局員工消費合作社印製 隙孔)爲^&_良之-火建f。 1 零 依上述製程,輕質石(砂)苛混合攪拌爲輕質砂、石混凝土並預鑄爲有強度 防水、耐熱、吸音且防火達1200°C以上、吸震、而又輕質隔間牆板,亦可直接於 工地灌製。 (請先聞讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐)Printed by the Central Standards Bureau of the Ministry of Economic Affairs, A7 B7 printed by the shoulder workers' cooperative. V. Description of the invention The invention relates to a method for mixing and grouting of lightweight stone (sand) concrete: it is mainly to harden the specific gravity i, 0 or less, Tough and light lightweight stone (sand) and cement slurry are mixed to mix into light sand and stone concrete. The light-weight sand and stone concrete mixed by the present invention is mainly suitable for pouring the right curtain wall and partition wall of an ultra-high building. The strength of the finished product can be nailed and nailed, which is better than that of ordinary foamed cement. The small land and rapid population expansion have caused many problems and costs for shellless people and society. The problem can only be solved by developing into the (superior) super-high building, and the super-high building structure needs to be light, strong, and the high proportion of ordinary concrete has become the focus of headaches. Among them, concrete with sand and gravel 'cement has its own weight. The most sad thing is that the weight of traditional sandstone can not only reduce the cost and have economic effect (the proportion of traditional sand is 2.62, the stone is 2.16, 7] c mud is 3.15), so it must be studied and promoted. Therefore, it is necessary to invent the lightweight stone (sand) with a strength better than that of the block (the specific particle size can be as light as 0.4 to 丨 .9) in order to use the super high-rise building structural concrete and compartments (curtains). And this kind of hard light stone (sand) with a glassy surface has also been made by the inventor (separate application number S5104S67), but it can reduce the high construction cost (reduction of self-weight and structural use) Quantity, strength-enhancing brewing space), and the structure is stronger, but the specific gravity of light stones (sand) below 1.0 (including traditional slag) is directly mixed in the traditional way directly with water, cement and light tribute When it is concrete slurry, it is prone to peeling (light stone's surface rises and the cement sinks to the bottom * so the slump should be 8cra to Hem). Therefore, traditionally, light stones with a specific gravity below 1 cannot be directly directly Lightweight concrete is mixed, mostly mixed with foaming agent, and the amount of light stone is less. Most of the aggregate is still sand with a specific gravity greater than 1. In other words, traditionally there are roughly two A kind of "$ stem quality" products: (1) Lightweight foaming cement (board): Add foaming agent to water and cement and mix together. After pouring, wipe out the excess after the foaming is stable; this type The finished product is soft and brittle, and can only be a pure compartment, and the surface must be painted or affixed to the surface. Otherwise, it is easy to generate dust (peeling h (2) Lightweight concrete: Add water with foaming agent and mix with cement and aggregate, where the aggregate can be partially made of lightweight material (such as furnace ash) (but this paper size Applicable to China National Standard- (CNS) M specification U10 X297 mm) II ---- ^ 丨 -lir 〒— (Please read the precautions on the back before filling this page): Order M V. Description of the invention (2) A7 B7 Most of the printed consumer cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs print more than 1) Replacement ·, Tae products are stronger than lightweight foamed cement, but because of the poor combination of aggregate and foamed cement, it is often easy to peel off 'The overall strength and quality are uneven, especially the combination of the replaced light-weight material and cement is more _: The disadvantages of the finished product are prone to voids and uneven structural strength. In addition, currently in the world (in other countries) there are also aluminum alloy powders used as expansion agents for the expansion cement used in the test. However, the exact type and scope of the foaming agent is still unknown. The method is still to be discovered, and the inventor has started to solve it. After several experiments, the present invention was finally obtained. The purpose of the present invention is to improve the mixing and grouting method of the lightweight stone (sand) concrete. The light stone (sand) with a specific gravity of 1.0 or less can be mixed with the cement slurry, etc., and can be used for perfusion. As for the details of the examples of the present invention (please also refer to the photos of the examples of the present invention at the same time, including the samples of the trial production and the photos of the internal structure after destruction): Wish: (Α) Cement: its specific gravity is about 3.15 (B) Water: Its specific gravity is 1 (C) Light stone (sand): Its specific gravity is about 0.4 to 1.0 Μ fL-s, (D) Agent-foaming agent (aqueous) has a specific gravity of about 1.6 and expanded aluminum has a specific gravity of about 0.3 to 0.5, the catalyst ratio is about 0.3 ~ 0.4. Some of the cement and water are mixed and mixed to form a cement slurry. The stirring method of the present invention is as follows: (1) Lightweight stone (sand) Saturation (soak in water for about 15 minutes to 30 minutes to dry it, so as to facilitate cement attachment); (2) Mixing cement with lightweight stone (A) and (C) week to promote adhesion of lightweight stone to cement; (3) ) Mix water and medicaments (B) and (D); stir until uniform; (4) Mix (2) [(A) + (C)] and (C) [(BH (D)] and stir well Cement paste; this paper size applies to Chinese National Standards (CNs) / U specifications (210X297 mm) ^ «n---- I ml 1 I.-ί ϋ Page) Ordering: ij. '--- I n —1 A7 B7 V. Description of the invention ((5) Shake should not be stirred during grouting: to avoid light sand, stone floating and peeling. The experimental process is as follows: (1) The specific gravity of the cement is 3 · ί5 3. The specific gravity of water is 1, its specific gravity is not easy to fuse, and it is easy to dilute, destroy the cement's lining and adhesion. The experiment has a water-cement ratio of about 0.2 ~ 0.4, which is appropriate. The specific gravity is 0.4 ~ 1.0, and the light stone can not be fused with 3.15 cement to cause surface peeling phenomenon. (3) Therefore, the specific gravity of stomach stone is 0.4 ~ 1.0, which is not easy to make cement 3.15, water 1.0 and light sand. Combination of Shi Zhi and (D), (experimental foaming or swelling ratio, the dosage volume of the capsule § + Lake ^^^ ¥, the density change efficiency is about 10% or more), and the unit dosage is small and the amount of use is about the weight of cement 0.1% ~; L0% and about 0.2% ~ 0.4% is ideal, so it can not directly penetrate into the cement, because it is easy to cause uneven distribution and difficult to control the quality. (4) Combine water and pharmaceuticals (premise and (B) ) (D)), by artificial or mechanical disturbance, to promote the fusion of the medicine or the powder powder aerator to the water to promote the cement and light sandstone Combination: make the cement distribution wrapped around the light sand and gravel. (The cement easily expands uniformly and fills the gaps around it, which will not form a honeycomb and increase the quality and strength.), And improve the construction. (5) When grouting, be careful not to shake into the grout with a vibrating machine or a vibrating rod (traditionally used to "shock" bubbles); as described in (D), the cement will change the volume density and fill the gaps The reason for its lightness and fiber absorption is that the gaps printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Fibrous Economy are ^ & _ 良 之-火 建 f. 1 According to the above process, the light stone (sand) is mixed with light sand and stone concrete and mixed with light waterproof, heat-resistant, sound-absorbing and fire-resistant to 1200 ° C, shock-absorbing, and light-weight partition wall. The board can also be cast directly on the construction site. (Please read the precautions on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm)

Claims (1)

經濟部中央標準局員工消費合作社印製 A8 B8 C8 D8六、申請專利範圍¢1) 一種輕質石(砂)混凝土之混合攪持及灌漿方法,乃係將比重1.0以下之輕 質石(砂)和水泥漿等混合漬拌成輕質砂、石混凝土之方法,其中部份水泥稆水先 揮合攪抻成水泥漿,其方法特徵在於: 先-輕質石(砂)濡濕至面乾飽和》再與水泥攪捽,另將發泡劑及膨脹銘粉催 每劑適量加入水中混合攪拌·:. 另將發泡劑及膨脹鋁粉催氣劑適量加入水中混合攪持; 將前述混合擾拌後之水泥漿與發泡劑及膨脹鋁催氣劑混合液混合攪拌; 將#述再混合续混入前述已濡濕之輕質石(砂)內,並混合擾持後灌续;而灌 • 攀時及觀後不得震搖模扳。. ' (請先閱讀背面之注意事項再填寫本頁) 袭|----II #------線-----II 本紙張尺度適用中國國家標隼(CMS ) A4規格(210X297公釐)Printed by A8, B8, C8, D8, Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs 6. Scope of patent application ¢ 1) A mixing and grouting method for lightweight stone (sand) concrete, which is a lightweight stone (sand) ) Method for mixing light sand and stone concrete with mixed stains such as cement slurry. Part of the cement is mixed with water and mixed into cement slurry. The method is characterized by:-Light stone (sand) is wetted to dryness and saturation. 》 Stir with cement, and add the appropriate amount of foaming agent and expanded powder to the water and mix and stir ..: Add the appropriate amount of foaming agent and expanded aluminum powder to the water and mix; stir the mixture. The mixed cement slurry is mixed with a foaming agent and an expanded aluminum catalyst mixture, and the mixture is mixed again into the previously wetted light stone (sand), and the mixture is perturbed and poured; Do not shake the mold when climbing and watching. . (Please read the precautions on the back before filling this page) | | II # ------ 线 ----- II This paper size applies to China National Standard (CMS) A4 specifications ( 210X297 mm)
TW85104868A 1996-04-24 1996-04-24 The mixing and placing method for lightweight concrete TW386127B (en)

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