RDP ya matope osakaniza owuma

Dry wosakaniza matope ndi mtundu wa granular ndi powdery osakaniza zabwino akaphatikiza ndi inorganic simenti zakuthupi, madzi kusunga thickening zinthu, madzi kuchepetsa wothandizila, odana ndi osweka, defoaming wothandizira ndi zina zina kusakaniza wogawana mu gawo linalake. Zimatumizidwa ku malowa ndi galimoto yapadera ya tanki kapena thumba la mapepala lotsekedwa ndi madzi, ndikusakaniza ndi madzi. Tsopano kuwonjezera simenti ndi mchenga ambiri youma matope osakaniza, kuchuluka kwa zambiri ndi redispersible redispersible.polima ufa RDP. Chifukwa cha mtengo wake wokwera komanso chikoka chachikulu pamitengo yamatope, ndiye chidwi cha anthu. Mphamvu ya redispersiblepolima ufa RDPpa katundu wa matope anakambidwa mu pepala.

1 Njira Yoyesera

Kuti mudziwe mphamvu ya redispersiblepolima ufa RDPZomwe zili pamatope a polima, Magulu angapo a mapangidwe adapangidwa ndi njira yoyesera ya orthogonal ndikuyesedwa molingana ndi dbjoi-63-2002, Quality Inspection Standard of Polima Mortar for External kutchinjiriza kwa khoma lakunja, kuti adziwe mphamvu ya matope a polima pamagetsi. mphamvu yomangira, kumeta ubweya womangirira mphamvu komanso mphamvu yopondereza, mphamvu yosunthika ndi chiŵerengero cha matope a polima pamaziko a konkire.

Zopangira zazikulu ndi P-04 2.5-pu silikoni simenti; RE5044 ndi R1551Z akhoza kubalalitsidwanso ndikubalalitsidwanso ufa wa emulsion; 70-140 mesh quartz mchenga; Zina zowonjezera.

2 Mphamvu ya redispersiblepolima ufa RDPpa katundu wa polima matope

2.1 Tensile bond ndi compression shear bond katundu

Ndi kuwonjezeka kwa redispersiblepolima ufa RDPZomwe zili, kulimba kwa chomangira chomangira komanso kulimba kwa chomangira chometa ubweya wa matope a polima ndi matope a simenti nawonso amawonjezeka, ndipo ma curve asanu amasunthira mmwamba molingana ndi kuchuluka kwa simenti. Mfundo zonse zogwirizana zolemera pafupifupi, koma kusanthula kachulukidwe akhoza kumwazikana emulsion ufa zili pa mlingo wa chikoka cha simenti matope ntchito akhoza kuona kuti ndi kuwonjezeka reusable omwazika emulsion ufa zili pa kugwirizana mphamvu ya simenti matope, polima matope compressive kukameta ubweya mphamvu. kukula kwa mzere, zomwe zikuchitika pakuwonjezeka kwa 1% kuti zibalalikapolima ufa RDP, mphamvu yolumikizira idakwera ndi 0.2 MPa, mphamvu yolumikizira kukameta ubweya idakwera ndi 0.45MPA.

2.2 Zopondereza / zopindika za matope okha

Ndi kuwonjezeka kwa zili redispersiblepolima ufa RDP, mphamvu yopondereza ndi mphamvu yosunthika ya matope a polima kuchepa, kusonyeza kuti polima ali ndi cholepheretsa hydration wa simenti. CHITH. 4 ikuwonetsa mphamvu ya disspersiblepolima ufa RDPzomwe zili pa psinjika ndi kupukutira chiŵerengero cha matope a polima. , ndi kuchuluka kwa zomwe zili zogawikansopolima ufa RDP, chiŵerengero cha kudzipondereza kwa matope a polima kumachepa, kusonyeza kuti polima amawongolera kulimba kwa matope. Chikoka cha zili redispersiblepolima ufa RDPpa magwiridwe antchito a matope a polima amatha kuwunikidwa mochulukira potengera kulemera kwa mfundo iliyonse yolumikizana. Ndi kuwonjezeka kwa zili redispersiblepolima ufa RDP, mphamvu yopondereza, mphamvu yosunthika ndi chiŵerengero cha flexural ya matope a polima amasonyeza kucheperachepera kwa mzere. The compressive mphamvu, flexural mphamvu ndi flexural chiŵerengero cha redispersiblepolima ufa RDPidatsika ndi 1.21 MPa, 0.14MPa ndi 0.18 pa 1%. Zitha kuwonekanso kuti chifukwa cha kuchuluka kwa kuchuluka kwa redispersiblepolima ufa RDP, kusinthasintha kwa matope kwasinthidwa.

2.3 Kuwunika kochulukira kwa chiwopsezo cha chiŵerengero cha simenti-mchenga pa katundu wa matope a polima

Mu polima matope, chiŵerengero cha simenti-mchenga ndi redispersiblepolima ufa RDPzomwe zili zogwirizana ndi wina ndi mzake, choncho m'pofunika kukambirana mphamvu ya chiŵerengero cha simenti-mchenga mosiyana. Malinga ndi orthogonal kuyesa deta processing njira adzakhala osiyana kusiyana monga zosintha, kubalalitsa akhoza kugwirizana ndipolima ufa RDPZomwe zili ngati chinthu chokhazikika chomwe chimasiyana ndi kusintha kwa kusintha kwa chiwerengero cha matope, amatha kuona kuti ndi kuwonjezeka kwa kusiyana kwa ntchito ya matope a simenti ya polima ndi ntchito ya matope a polima palokha ikucheperachepera. Mphamvu yomangira ya matope a polima kupita kumatope a simenti imatsika ndi 0.12MPa, mphamvu yolumikizira kukameta ubweya imatsika ndi 0.37MPa, mphamvu yopondereza ya matope a polima imatsika ndi 4.14MPa, mphamvu yosinthika imatsika ndi 0.72MPa, ndipo chiŵerengero cha flexural chimachepa ndi 0.270 ndi kuwonjezeka kulikonse kwa chiŵerengero cha simenti-mchenga

3 Chikoka cha redispersiblepolima ufa RDPPamakokedwe omangika pakati polima matope ndi EPS thovu polystyrene bolodi DB JoI-63-2002 muyezo amati kugwirizana kwa polima matope tosimenti simenti ndi bolodi EPS zotsutsana.

Zakale zimafuna kuti matope a polima akhale okhwima, pamene chotsatiracho chimafuna kusinthasintha kwake kukhala kokwera, koma poganizira za zomangamanga zakunja zomata khoma lolimba ndi bolodi losinthika la EPS, panthawi imodzimodziyo kuonetsetsa kuti mtengowo siwokwera kwambiri. Choncho, mphamvu ya zili redispersiblepolima ufa RDPpa flexible bonding katundu wa polima matope amalembedwa mosiyana kutsindika kufunika kwake.

4Mphamvu ya mitundu ya redispersiblepolima ufa RDPpa mphamvu yolumikizana ya EPS board

R5,C1,P23 mitundu ya redispersiblepolima ufa RDPadasankhidwa kuchokera kunja. Taiwan D2,D4 2 mitundu; Zapakhomo S1, S2 2 mitundu 7 mitundu; Gulu la polystyrene lopangidwa ku Beijing 18kg / mzere wa EPS board. Malinga ndi dbJ01-63-2002 muyezo, Tambasula chomangira redispersiblepolima ufa RDPya bolodi ya EPS imatha kukwaniritsa zofunikira zokhazikika komanso zosinthika zamakomedwe amatope a polima nthawi imodzi.