CN101066860A - A cement-based concrete interface agent - Google Patents
A cement-based concrete interface agent Download PDFInfo
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- CN101066860A CN101066860A CN 200710015552 CN200710015552A CN101066860A CN 101066860 A CN101066860 A CN 101066860A CN 200710015552 CN200710015552 CN 200710015552 CN 200710015552 A CN200710015552 A CN 200710015552A CN 101066860 A CN101066860 A CN 101066860A
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- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 239000004568 cement Substances 0.000 title claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052602 gypsum Inorganic materials 0.000 claims description 11
- 239000010440 gypsum Substances 0.000 claims description 11
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052925 anhydrite Inorganic materials 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 229910021538 borax Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 2
- 235000019739 Dicalciumphosphate Nutrition 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000001506 calcium phosphate Substances 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 230000003750 conditioning effect Effects 0.000 claims 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 claims 1
- 229940038472 dicalcium phosphate Drugs 0.000 claims 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 claims 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 239000004328 sodium tetraborate Substances 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 abstract description 28
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract description 28
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 230000036571 hydration Effects 0.000 abstract description 6
- 238000006703 hydration reaction Methods 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract 1
- 239000011398 Portland cement Substances 0.000 description 7
- 235000012241 calcium silicate Nutrition 0.000 description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 5
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 4
- 229910052918 calcium silicate Inorganic materials 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 229910001570 bauxite Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本发明属于水泥基混凝土界面剂，特别涉及一种含钡硫铝酸盐水泥基混凝土界面剂，是由含钡硫铝酸盐水泥、水和适量的调节剂和粘合剂共同组成。该材料水泥颗粒细，流动性好，能充分填充混凝土界面表面。同时，水化产物具有微膨胀特性，进一步弥补界面孔隙。这是本发明的要点。The invention belongs to a cement-based concrete interface agent, in particular to a barium-containing sulphoaluminate cement-based concrete interface agent, which is composed of barium-containing sulphoaluminate cement, water, an appropriate amount of regulator and adhesive. The material has fine cement particles and good fluidity, and can fully fill the surface of the concrete interface. At the same time, the hydration product has micro-expansion properties, which further compensates for the interfacial pores. This is the gist of the invention.
Description
(一)技术领域(1) Technical field
本发明涉及一种水泥基混凝土界面剂，特别涉及一种含钡硫铝酸盐水泥的水泥基混凝土界面剂。The invention relates to a cement-based concrete interface agent, in particular to a cement-based concrete interface agent containing barium sulfoaluminate cement.
(二)背景技术(2) Background technology
水泥基混凝土界面剂主要应用于现有混凝土结构的修补工程上。当新拌混凝土在老混凝土上进行浇注时，混凝土的界面处理与粘结性能是决定修补质量的关键因素。界面剂的选择对工程修补起着重要的作用，涂刷于处理好的老混凝土表面的界面剂可以增强新老混凝土界面的粘结性能，它从微观上改变新老混凝土的粘结模型，提高粘结强度。Cement-based concrete interface agent is mainly used in repairing works of existing concrete structures. When the fresh concrete is poured on the old concrete, the interface treatment and bonding performance of the concrete are the key factors to determine the repair quality. The selection of interface agent plays an important role in engineering repair. The interface agent applied to the treated old concrete surface can enhance the bonding performance of the interface between new and old concrete. It changes the bonding model of new and old concrete microscopically, improving Bond strength.
目前工程上常见的水泥界面修补剂为普通硅酸盐水泥净浆。硅酸盐水泥界面剂是由水泥和高比例的水搅拌而成，但硅酸盐水泥具有水化慢、水化后收缩等缺点。At present, the common cement interface repair agent in engineering is ordinary Portland cement paste. Portland cement interface agent is made by mixing cement and high proportion of water, but Portland cement has the disadvantages of slow hydration and shrinkage after hydration.
(三)发明内容(3) Contents of the invention
为了解决现有技术的不足，提供一种颗粒细、流动性好、粘贴力强，能充分填充混凝土界面表面和界面孔隙的水泥基混凝土界面剂。In order to solve the deficiencies of the prior art, a cement-based concrete interface agent is provided which has fine particles, good fluidity, strong adhesive force, and can fully fill the concrete interface surface and interface pores.
本发明是通过以下措施实现的：一种水泥基混凝土界面剂，其组分和含量为：The present invention is achieved through the following measures: a cement-based concrete interface agent, its components and content are:
含钡硫铝酸盐水泥：50～68％Barium-containing sulfoaluminate cement: 50-68%
水：30～48％Water: 30-48%
调节剂硼酸钠：1～3％Regulator sodium borate: 1~3%
粘合剂：1～3％；Adhesive: 1~3%;
所述的含钡硫铝酸盐水泥的成分和含量为：The composition and content of the barium-containing sulfoaluminate cement are:
无水含钡硫铝酸钙(1.75CaO·1.25BaO·3Al2O3·CaSO4)：55～75％Anhydrous barium-containing calcium sulfoaluminate (1.75CaO·1.25BaO·3Al 2 O 3 ·CaSO4): 55～75%
硅酸二钙(2CaO·SiO2)：8～37％Dicalcium silicate (2CaO·SiO 2 ): 8～37%
铁相(2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3)：3～10％Iron phase (2CaO·Fe 2 O 3 -6CaO·2Al 2 O 3 ·Fe 2 O 3 ): 3～10%
石膏5～8％Gypsum 5-8%
所述的粘合剂为环氧树脂，主要用于凝结性，调节剂硼酸钠主要用于调节流动性。The adhesive is epoxy resin, which is mainly used for coagulation, and the regulator sodium borate is mainly used for regulating fluidity.
所述无水含钡硫铝酸钙，是通过以下原料按照一定重量配比煅烧而成：铝矾土∶石灰石∶石膏∶硫酸钡＝35％∶40％∶20％∶5％。The anhydrous barium-containing calcium sulfoaluminate is obtained by calcining the following raw materials according to a certain weight ratio: bauxite: limestone: gypsum: barium sulfate = 35%: 40%: 20%: 5%.
含钡硫铝酸盐水泥，是以如铝矾土、石灰石、石膏和硫酸钡，经适当配合后，煅烧成含有适量无水硫铝酸钡钙的熟料，再掺入适量石膏共同磨细所得的水硬性胶凝材料。含钡硫铝酸盐水泥基界面剂颗粒细，流动性好，能充分填充混凝土界面表面。同时，水化产物致密且具有微膨胀特性，进一步弥补界面孔隙。这是本发明的要点。Barium-containing sulfoaluminate cement is based on such as bauxite, limestone, gypsum and barium sulfate, after appropriate blending, calcined into clinker containing an appropriate amount of anhydrous barium calcium sulfoaluminate, and then mixed with an appropriate amount of gypsum to grind together The resulting hydraulic gelling material. The barium-containing sulfoaluminate cement-based interface agent has fine particles and good fluidity, and can fully fill the concrete interface surface. At the same time, the hydration product is dense and has micro-expansion properties, which further compensates for the interfacial pores. This is the gist of the invention.
主要反应方程如下：The main reaction equation is as follows:
1.75CaO·1.25BaO·3Al2O3·CaSO4+2(CaSO4·2H2O)+34H2O＝1.75CaO·1.25BaO·Al2O3·3CaSO4·32H2O+2(Al2O3·3H2O)(gel)1.75CaO·1.25BaO·3Al 2 O 3 ·CaSO4+2(CaSO4·2H 2 O)+34H2O＝1.75CaO·1.25BaO·Al 2 O 3 ·3CaSO4·32H2O+2(Al 2 O 3 ·3H2O)(gel )
本发明的有益效果：Beneficial effects of the present invention:
1.它是一种水硬性胶凝材料，具有强度高，颗粒细，流动性好，水化产物致密且微膨胀等优点。1. It is a hydraulic gelling material, which has the advantages of high strength, fine particles, good fluidity, dense and slightly swollen hydration products, etc.
2.能充分填充混凝土界面表面和界面孔隙。2. It can fully fill the concrete interface surface and interface pores.
3.粘贴力强，施工工艺简单，节省人力物力。3. Strong adhesive force, simple construction process, saving manpower and material resources.
4.不污染环境，对人身体无伤害。4. No pollution to the environment, no harm to human body.
5.适合新老混凝土。5. Suitable for old and new concrete.
本发明最大特点是含钡硫铝酸盐水泥基界面剂，颗粒细，流动性好，能充分填充混凝土界面表面。同时，水化产物致密且具有微膨胀特性，进一步弥补界面孔隙。The biggest feature of the invention is that the barium-containing sulfoaluminate cement-based interface agent has fine particles and good fluidity, and can fully fill the concrete interface surface. At the same time, the hydration product is dense and has micro-expansion properties, which further compensates for the interfacial pores.
(四)具体实施方式(4) Specific implementation methods
下面结合实施例对本发明作具体的说明，以下配比如无特别说明，均为重量比。The present invention will be specifically described below in conjunction with the examples, and the following proportioning ratios are weight ratios unless otherwise specified.
实施例1Example 1
本实施例的水泥基混凝土界面剂，其组分和含量为：含钡硫铝酸盐水泥：50％，水：45％，调节剂硼酸钠：2％，粘合剂环氧树脂：3％；The cement-based concrete interface agent of this embodiment has the following components and contents: barium-containing sulfoaluminate cement: 50%, water: 45%, regulator sodium borate: 2%, adhesive epoxy resin: 3% ;
所述的含钡硫铝酸盐水泥的成分和含量为：无水含钡硫铝酸钙(1.75CaO·1.25BaO·3Al2O3·CaSO4)：55％、硅酸二钙(2CaO·SiO2)：37％，铁相(2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3)：3％，石膏5％；The composition and content of the barium-containing sulfoaluminate cement are: anhydrous barium-containing calcium sulfoaluminate (1.75CaO·1.25BaO·3Al2O3·CaSO4): 55%, dicalcium silicate (2CaO·SiO2): 37% %, iron phase (2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3): 3%, gypsum 5%;
水泥基混凝土界面剂采用以下方法制得的：The cement-based concrete interface agent is prepared by the following method:
首先按照铝矾土∶石灰石∶石膏∶硫酸钡＝35％∶40％∶20％∶5％的比例，进行混合，煅烧成含有适量无水硫铝酸钡钙的熟料，再加入石膏制成含钡硫铝酸盐水泥，然后将含钡硫铝酸盐水泥、水和复合调节剂进行混合均匀，制成一种水泥基混凝土界面剂。First, according to the ratio of bauxite: limestone: gypsum: barium sulfate = 35%: 40%: 20%: 5%, mix, calcined into clinker containing an appropriate amount of anhydrous barium calcium sulfoaluminate, and then add gypsum to make The barium-containing sulfoaluminate cement is uniformly mixed with the barium-containing sulfoaluminate cement, water and a composite conditioner to prepare a cement-based concrete interface agent.
用150×150×150mm模具制得150×150×75mm3的半块的混凝土试样，养护28天，对它们进行表面粗糙化处理，并涂刷一层约1mm的本发明制得水泥基混凝土界面剂，在其上浇注和原混凝土相同配比的混凝土进行修复，再养护28天后，测定劈裂强度如表1。Use 150 * 150 * 150mm mold to make the concrete sample of half block of 150 * 150 * 75mm3, curing 28 days, carry out surface roughening treatment to them, and brush the present invention of one deck about 1mm and make cement-based concrete interface On it, concrete with the same ratio as the original concrete was poured for repair, and after curing for 28 days, the splitting strength was measured as shown in Table 1.
表1
可以看出：采用含钡硫铝酸盐水泥基界面剂修补效果比普通界面剂有明显改善。It can be seen that the repair effect of barium-containing sulfoaluminate cement-based interface agent is significantly improved compared with ordinary interface agent.
普通硅酸盐水泥基界面剂处理过新老混凝土经过劈裂后，界面与修复前没有明显变化；而经过含钡硫铝酸盐水泥基界面剂修复的混凝土，经劈裂后，界面和修复之前有了明显变化，新老混凝土几乎成为一个整体，具有很好的抗压强度。Ordinary portland cement-based interface agent treated new and old concrete after splitting, the interface has no obvious change from before repair; while the concrete repaired with barium-containing sulphoaluminate cement-based interface agent, after splitting, the interface and repair There have been obvious changes before, and the old and new concrete are almost a whole with good compressive strength.
实施例2Example 2
所述的一种水泥基混凝土界面剂，其组分和含量为：含钡硫铝酸盐水泥：68％，水：30％，调节剂硼酸钠：1％，粘合剂环氧树脂：1％；The cement-based concrete interface agent has the following components and content: barium-containing sulfoaluminate cement: 68%, water: 30%, regulator sodium borate: 1%, adhesive epoxy resin: 1% %;
所述的含钡硫铝酸盐水泥的成分和含量为：无水含钡硫铝酸钙(1.75CaO·1.25BaO·3Al2O3·CaSO4)：70％、硅酸二钙(2CaO·SiO2)：20％，铁相(2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3)：3％，石膏7％。The composition and content of the barium-containing sulfoaluminate cement are: anhydrous barium-containing calcium sulfoaluminate (1.75CaO·1.25BaO·3Al2O3·CaSO4): 70%, dicalcium silicate (2CaO·SiO2): 20% %, iron phase (2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3): 3%, gypsum 7%.
制备方法同实施例1。The preparation method is the same as in Example 1.
用150×150×150mm模具制得150×150×75mm3的半块的混凝土试样，养护28天，对它们进行表面粗糙化处理，并涂刷一层约1mm的本发明制得水泥基混凝土界面剂，在其上浇注和原混凝土相同配比的混凝土进行修复，再养护28天后，测定劈裂强度如表2。Use 150 * 150 * 150mm mold to make the concrete sample of half block of 150 * 150 * 75mm3, curing 28 days, carry out surface roughening treatment to them, and brush the present invention of one deck about 1mm and make cement-based concrete interface On it, pour concrete with the same ratio as the original concrete for repair, and after curing for 28 days, measure the splitting strength as shown in Table 2.
表2
可以看出：采用含钡硫铝酸盐水泥基界面剂修补效果比普通界面剂有明显改善。It can be seen that the repair effect of barium-containing sulfoaluminate cement-based interface agent is significantly improved compared with ordinary interface agent.
实施例3Example 3
所述的一种水泥基混凝土界面剂，其组分和含量为：钡硫铝酸盐水泥：60％，水：35％，调节剂硼酸钠：2％，粘合剂环氧树脂：3％；The cement-based concrete interface agent has the following components and content: barium sulfoaluminate cement: 60%, water: 35%, regulator sodium borate: 2%, adhesive epoxy resin: 3% ;
所述的钡硫铝酸盐水泥的成分和含量为：无水含钡硫铝酸钙(1.75CaO·1.25BaO·3Al2O3·CaSO4)：60％、硅酸二钙(2CaO·SiO2)：30％，铁相(2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3)：5％，石膏5％。The composition and content of the barium sulfoaluminate cement are: anhydrous barium-containing calcium sulfoaluminate (1.75CaO·1.25BaO·3Al2O3·CaSO4): 60%, dicalcium silicate (2CaO·SiO2): 30% , Iron phase (2CaO·Fe2O3-6CaO·2Al2O3·Fe2O3): 5%, gypsum 5%.
制备方法同实施例1。The preparation method is the same as in Example 1.
用150×150×150mm模具制得150×150×75mm3的半块的混凝土试样，养护28天，对它们进行表面粗糙化处理，并涂刷一层约1mm的本发明制得水泥基混凝土界面剂，在其上浇注和原混凝土相同配比的混凝土进行修复，再养护28天后，测定劈裂强度如表3。Use 150 * 150 * 150mm mold to make the concrete sample of half block of 150 * 150 * 75mm3, curing 28 days, carry out surface roughening treatment to them, and brush one deck about 1mm the present invention and make cement-based concrete interface On it, pour concrete with the same ratio as the original concrete for repair, and after curing for 28 days, measure the splitting strength as shown in Table 3.
表3
可以看出：采用含钡硫铝酸盐水泥基界面剂修补效果比普通界面剂有明显改善。It can be seen that the repair effect of barium-containing sulfoaluminate cement-based interface agent is significantly improved compared with ordinary interface agent.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153368A (en) * | 2010-12-24 | 2011-08-17 | 上海大学 | Interface treating agent |
| CN103570325A (en) * | 2012-08-08 | 2014-02-12 | 吉安市艾生建材科技有限公司 | Economical adhesion agent as well as production method thereof |
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| US6740155B1 (en) * | 2001-08-24 | 2004-05-25 | Isg Resources, Inc. | Method of delaying the set time of cement and the compositions produced therefrom |
| CN1226381C (en) * | 2003-09-24 | 2005-11-09 | 济南大学 | A cement-based anti-seepage and plugging material |
| CN100357209C (en) * | 2006-07-17 | 2007-12-26 | 济南大学 | Belite-calcium barium sulphoaluminate cement |
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2007
- 2007-05-24 CN CNB200710015552XA patent/CN100425566C/en not_active Expired - Fee Related
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| CN102153368A (en) * | 2010-12-24 | 2011-08-17 | 上海大学 | Interface treating agent |
| CN103570325A (en) * | 2012-08-08 | 2014-02-12 | 吉安市艾生建材科技有限公司 | Economical adhesion agent as well as production method thereof |
| CN103570325B (en) * | 2012-08-08 | 2016-04-06 | 吉安市艾生建材科技有限公司 | A kind of economical interfacial agents and production method |
| CN103275730B (en) * | 2013-06-13 | 2017-05-10 | 成都理工大学 | Barium-containing sulphoaluminate soft soil curing agent and preparation method thereof |
| CN104556907B (en) * | 2014-12-31 | 2017-01-25 | 安徽中龙建材科技有限公司 | High cohesive aerated concrete block binder and its preparation method and application |
| CN104556907A (en) * | 2014-12-31 | 2015-04-29 | 安徽中龙建材科技有限公司 | High-viscosity aerated concrete block binder as well as preparation method and application thereof |
| CN104831288A (en) * | 2015-04-30 | 2015-08-12 | 深圳大学 | Reinforced concrete protection method and system through combination of cathode protection and structure reinforcement |
| CN106242443A (en) * | 2016-07-14 | 2016-12-21 | 济南大学 | A kind of modified cement-based sealing material of calcium sulfoaluminate minerals and application process thereof |
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| CN108558247A (en) * | 2018-04-27 | 2018-09-21 | 济南大学 | A kind of aluminium sulfate autofluorescence gelling mineral and preparation method thereof |
| CN108558247B (en) * | 2018-04-27 | 2020-12-25 | 济南大学 | Sulphoaluminate autofluorescence gel mineral and preparation method thereof |
| CN108951893A (en) * | 2018-08-31 | 2018-12-07 | 南京宏亚建设集团有限公司 | Shear wall horizontal construction joint rough surface reserves molding construction technique |
| CN110183151A (en) * | 2019-04-29 | 2019-08-30 | 贵州建工安顺建筑工程有限公司 | A kind of interface agent and its application |
| CN111732378A (en) * | 2020-07-06 | 2020-10-02 | 济南大学 | A kind of geopolymer component and preparation method thereof |
| CN111732378B (en) * | 2020-07-06 | 2022-06-28 | 济南大学 | Geopolymer member and preparation method thereof |
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