CN112523391B - 一种秸秆混凝土装配式复合墙体施工工艺 - Google Patents

一种秸秆混凝土装配式复合墙体施工工艺 Download PDF

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CN112523391B
CN112523391B CN202011426162.3A CN202011426162A CN112523391B CN 112523391 B CN112523391 B CN 112523391B CN 202011426162 A CN202011426162 A CN 202011426162A CN 112523391 B CN112523391 B CN 112523391B
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straw
heat
insulation
transverse
wall
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CN112523391A (zh
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吕春
刘杰
杨添淇
苗露茜
杨小滨
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Zhongding Wisdom Construction Development Co ltd
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Qiqihar University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/14Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/18Waste materials; Refuse organic
    • C04B18/24Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/248Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork from specific plants, e.g. hemp fibres
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

一种秸秆混凝土装配式复合墙体施工工艺由秸秆混凝土砌块(1)及横向玉米秸秆保温板(3),SBC120隔汽层(4),竖向玉米秸秆保温板(7)及外墙空气隔层(9)组成。所述秸秆混凝土砌块(1)为预制砌块,外衬SBC120隔汽层(4),与横向玉米秸秆保温板(3)采用砂浆连接,横向玉米秸秆保温板(3)与竖向玉米秸秆保温板(7)通过横向与竖向玉米秸秆保温板连接节点(8)采用自攻螺钉及苯板胶连接。

Description

一种秸秆混凝土装配式复合墙体施工工艺
技术领域
本发明属于建筑工程技术领域,具体是一种秸秆混凝土装配式复合墙体施工工艺。
背景技术
基于目前我省农业废弃的大量玉米秸秆资源,利用玉米秸秆同时采用其他功能材料配制 轻骨料混凝土砌块,并复合玉米秸秆混凝土保温板墙体,把玉米秸秆混凝土复合墙体低能耗 设计和装配式施工过程有效结合。
传统的轻骨料混凝土,因轻骨料特性而极少使用玉米秸秆。即使有研究玉米秸秆作为骨 料的,也只是针对于其作为添加材料。本发明运用装配式玉米秸秆混凝土保温板与混凝土砌 块复合,把玉米秸秆混凝土复合墙体耗能设计和装配式施工过程统一考虑。本发明使建筑物 墙体达到低能耗及环保的要求,有效减少固体废弃物对环境污染,降低造价,形成秸秆混凝 土装配式墙体。本发明不仅能够有效减少固体废物对环境的污染,同时也解决了对秸秆废弃 物的处理,节约了资源,减少了资金的消耗,创造了社会和经济双重效益。
发明内容
本发明主要基于目前我省农业废弃的大量玉米秸秆资源,深化现行轻骨料混凝土的研究 成果,利用低能耗玉米秸秆混凝土复合墙体技术,将玉米秸秆混凝土的制备、墙体设计和装 配式施工过程统一。采用功能材料作为添加材料,完成其为承重材料及保温材料所需的性能 指标,项目的研究为玉米秸秆混凝土墙体大规模推广应用奠定理论基础。
原料水泥采用P·O32.5普通硅酸盐水泥,粗集料采用碎石型页岩陶粒,粒径3~10mm、 容重600~800g/mm3,孔隙率58%,强度不小于1.5MPa;细集料采用嫩江河床天然中砂,细度 模数2.2~2.6,含泥量小于1%;玉米秸秆取自黑龙江省齐齐哈尔市,玉米秸秆去雄蕊及叶后, 将秸秆皮与秸秆髓分离,秸秆皮经过颚式破碎机破碎至1~5mm细集料及长度在10~20mm的 粗集料各半,采用水进行喷洒预处理;外加剂采用
Figure BSA0000227058680000011
(I)型聚羧酸高性能减水剂,有较 高减水和增强性能,掺量为水泥重量的0.6~1.2%,减水率可达30%;掺和料选用一级粉煤灰; 粉煤灰掺量为30%;采用普通自来水。
附图说明
图1为一种秸秆混凝土装配式复合墙体施工工艺平面图;图2为一种秸秆混凝土装配式 复合墙体施工工艺剖面图。
1.秸秆混凝土砌块;2.砌块凹槽;3.横向玉米秸秆保温板;4.SBC120隔汽层;5.秸秆混 凝土砌块竖向灰缝;6.内墙保温砂浆;7.竖向玉米秸秆保温板;8.横向与竖向玉米秸秆保温 板连接节点;9.外墙空气隔层;10.竖向玉米秸秆保温板连接节点;11.外墙薄抹灰;12.耐碱 玻璃丝布。
复合预制墙也可在混凝土与墙板之间留置拉结钢筋;门窗框必须牢固固定在门窗洞两侧, 门窗框与墙体间空隙,应用密封嵌缝材料嵌缝后再用砂浆抹平。墙体孔洞或孔槽周边应采取 可靠的防裂、防渗措施。孔洞或孔槽间隙应先用砂浆分层填实,孔洞应填充保温材料,并用 抗裂砂浆和热镀锌电焊钢丝网加强。上部屋面处设置钢筋混凝土圈梁一道,其宽度小于墙体 厚度10cm,内外各5cm玉米秸秆板保温,从而避免圈梁热桥。外墙采用聚丙烯纤维水泥砂浆 抹灰饰面,内墙采用聚丙烯纤维混合砂浆抹灰饰面。抹灰完成后进行涂料等装饰工程的施工。
一种秸秆混凝土装配式复合墙体施工工艺由秸秆混凝土砌块(1)及横向玉米秸秆保温板 (3),SBC120隔汽层(4),竖向玉米秸秆保温板(7)及外墙空气隔层(9)组成。所述秸秆混凝土砌块(1)为预制砌块,尺寸为190mm×190mm×290mm;所述秸秆混凝土砌块(1) 中间为砌块凹槽(2),砌块壁厚度为30mm,砌块采用1∶3水泥砂浆砌筑,外衬SBC120隔汽 层(4),与横向玉米秸秆保温板(3)采用砂浆连接。所述横向玉米秸秆保温板(3)尺寸为 长度800mm,宽度250mm,厚度60mm。横向玉米秸秆保温板(3)与竖向玉米秸秆保温板(7) 通过横向与竖向玉米秸秆保温板连接节点(8)采用自攻螺钉及苯板胶连接。所述竖向玉米秸 秆保温板(7)为凸字型,竖向玉米秸秆保温板(7)长度800mm,宽度360mm,厚度60mm。
一种秸秆混凝土装配式复合墙体施工工艺,其秸秆混凝土砌块采用秸秆混凝土在预制加 工厂进行预制,配合比根据不同的设计要求具体确定,设计尺寸根据设计要求确定;玉米秸 秆保温板采用秸秆混凝土在预制加工厂预制,配合比根据不同的设计要求具体确定,设计尺 寸根据设计要求确定。
一种秸秆混凝土装配式复合墙体施工工艺,具体包括以下步骤:
A.第一排秸秆混凝土砌块(1)的砌筑,其下部铺设SBC120隔汽层(4);
B.将SBC120隔汽层(4)上卷平铺通过秸秆混凝土砌块(1)外侧后,从秸秆混凝土砌块(1)顶部铺设至秸秆混凝土砌块(1)内侧;
C.横向玉米秸秆保温板(3)铺设在SBC120隔汽层(4)上部,内侧出秸秆混凝土砌块(1)20mm,外侧出秸秆混凝土砌块(1)40mm;
D.SBC120隔汽层(4)上卷平铺通过横向玉米秸秆保温板(3)上部;
E.同样方法砌筑第二排秸秆混凝土砌块(1),直至砌筑至设计高度;
F.在横向玉米秸秆保温板(3)内侧抹内墙保温砂浆(6);
G.从下至上在横向与竖向玉米秸秆保温板连接节点(8)处粘贴铺设外墙竖向玉米秸秆 保温板(7);
H.采用自攻螺钉及苯板胶固定,形成外墙空气隔层(9);
I.外墙竖向玉米秸秆保温板(7)采用耐碱玻璃丝布(12)粘贴,耐碱玻璃丝布采用薄 抹灰(11)刮平。
本发明有益的效果是,可以充分利用农作物秸秆废弃物,利用外墙空气隔层,达到墙体 节能效果。构配件可在工厂批量生产,价格低廉,施工工艺简单。
具体实施方式
下面利用工程实例,对一种秸秆混凝土装配式复合墙体施工工艺加以说明。
实施例1:以墙体800mm长度为例,秸秆混凝土砌块(1)采用上下通缝方式进行砌筑。
A.第一排秸秆混凝土砌块(1)的砌筑。在基层铺设SBC120隔汽层(4)后,取4块 秸秆混凝土砌块(1)利用水泥砂浆进行砌筑;
B.第一排秸秆混凝土砌块(1)砌筑完成后,其外侧涂抹苯丙乳液胶浆,将SBC120隔汽层(4)上卷平铺粘贴于秸秆混凝土砌块(1)外侧;
C.SBC120隔汽层(4)从秸秆混凝土砌块(1)顶部粘贴铺设至秸秆混凝土砌块(1)内侧;
D.铺设横向玉米秸秆保温板(3)。在秸秆混凝土砌块(1)顶部的SBC120隔汽层(4)上部铺设横向玉米秸秆保温板(3),横向玉米秸秆保温板(3)内侧出秸秆混凝土砌块 (1)20mm,外侧出秸秆混凝土砌块(1)40mm;
E.将SBC120隔汽层(4)上卷平铺通过横向玉米秸秆保温板(3)上部;
F.采用同样方法砌筑第二排秸秆混凝土砌块(1),直至砌筑至设计高度;
G.在横向玉米秸秆保温板(3)内侧抹内墙保温砂浆(6);
H.从下至上在横向与竖向玉米秸秆保温板连接节点(8)处粘贴铺设外墙竖向玉米秸 秆保温板(7);
I.采用自攻螺钉及苯板胶固定,形成外墙空气隔层(9)。
J.外墙竖向玉米秸秆保温板(7)采用耐碱玻璃丝布(12)粘贴,耐碱玻璃丝布采用薄抹灰(11)刮平。
实施例2:以墙体2400mm长度为例,秸秆混凝土砌块(1)采用上下错缝方式进行砌筑。
A.第一排秸秆混凝土砌块(1)的砌筑。在基层铺设SBC120隔汽层(4)后,取12 块秸秆混凝土砌块(1)利用水泥砂浆进行砌筑;
B.第一排秸秆混凝土砌块(1)砌筑完成后,其外侧涂抹苯丙乳液胶浆,将SBC120隔汽层(4)上卷平铺粘贴于秸秆混凝土砌块(1)外侧;
C.SBC120隔汽层(4)从秸秆混凝土砌块(1)顶部粘贴铺设至秸秆混凝土砌块(1)内侧;
D.铺设横向玉米秸秆保温板(3)。在秸秆混凝土砌块(1)顶部的SBC120隔汽层(4)上部铺设3块横向玉米秸秆保温板(3),3块横向玉米秸秆保温板(3)内侧出秸秆混凝 土砌块(1)20mm,外侧出秸秆混凝土砌块(1)40mm;
E.将SBC120隔汽层(4)上卷平铺通过3块横向玉米秸秆保温板(3)上部;
F.在横向玉米秸秆保温板(3)上部砌筑第二排秸秆混凝土砌块(1),砌筑时调整第一块砌块宽度为第一排秸秆混凝土砌块(1)第一块砌块宽度尺寸的1/2,使之第一排 秸秆混凝土砌块(1与错缝,至设计高度;
G.在横向玉米秸秆保温板(3)内侧抹内墙保温砂浆(6);
H.从下至上在横向与竖向玉米秸秆保温板连接节点(8)处粘贴铺设外墙竖向玉米秸 秆保温板(7);
I.采用自攻螺钉及苯板胶固定,形成外墙空气隔层(9);
J.外墙竖向玉米秸秆保温板(7)采用耐碱玻璃丝布(12)粘贴,耐碱玻璃丝布采用薄抹灰(11)刮平。
尽管上文已经对本发明进行了详细说明,但本发明不限于此,本技术领域技术人员可以 根据本发明的原理进行各种修改。因此,凡按照本发明的原理进行的修改,都应理解为落入 本发明的保护范围。

Claims (2)

1.一种秸秆混凝土装配式复合墙体施工工艺,其特征在于,由秸秆混凝土砌块(1)及横向玉米秸秆保温板(3),SBC120隔汽层(4),竖向玉米秸秆保温板(7)及外墙空气隔层(9)组成;包括以下步骤:
A.第一排秸秆混凝土砌块(1)的砌筑:在基层铺设SBC120隔汽层(4)后,取4块秸秆混凝土砌块(1)利用水泥砂浆进行砌筑;
B.第一排秸秆混凝土砌块(1)砌筑完成后,其外侧涂抹苯丙乳液胶浆,将SBC120隔汽层(4)上卷平铺粘贴于秸秆混凝土砌块(1)外侧;
C.SBC120隔汽层(4)从秸秆混凝土砌块(1)顶部粘贴铺设至秸秆混凝土砌块(1)内侧;
D.铺设横向玉米秸秆保温板(3):在秸秆混凝土砌块(1)顶部的SBC120隔汽层(4)上部铺设横向玉米秸秆保温板(3),横向玉米秸秆保温板(3)内侧出秸秆混凝土砌块(1)20mm,外侧出秸秆混凝土砌块(1)40mm;
E.将SBC120隔汽层(4)上卷平铺通过横向玉米秸秆保温板(3)上部;
F.采用同样方法砌筑第二排秸秆混凝土砌块(1),直至砌筑至设计高度;
G.在横向玉米秸秆保温板(3)内侧抹内墙保温砂浆(6);
H.从下至上在横向与竖向玉米秸秆保温板连接节点(8)处粘贴铺设外墙竖向玉米秸秆保温板(7);
I.采用自攻螺钉及苯板胶固定,形成外墙空气隔层(9);
J.外墙竖向玉米秸秆保温板(7)采用耐碱玻璃丝布(12)粘贴,耐碱玻璃丝布采用薄抹灰(11)刮平。
2.根据权利要求1所述一种秸秆混凝土装配式复合墙体施工工艺,其特征在于:利用外墙空气隔层(9),达到墙体保温效果。
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