Litšobotsi tsa Mekaniki tsa Likhoele tse khaotsoeng tsa Basalt Fiber
SELELEKELA SA SEHLAHISOA
Konkreite, e le thepa ea kaho e sebelisoang haholo boenjiniereng ba sechaba, e na le thepa e ntle ea mechini, empa ka ho teba ho tsoelang pele ha ts'ebeliso ea theknoloji ea boenjiniere, mefokolo ea thepa ea eona ea mantlha ea mechini e pepesoa butle-butle. Ka lebaka la litšobotsi tse tlase tsa matla a ho hula a karolo ea leshome feela ea matla a ho hatella, ho fella ka hore litho tsa ts'ebetso ea ho hula li sekamele ho petsoheng, e leng se fokotsang ka ho toba ho tšoarella ha likarolo, e leng se fokotsang boholo ba ts'ebeliso ea Thepa ea konkreites. Ho ntlafatsa litšobotsi tsa ts'ebetso ea boenjiniere ea konkreite le ho rarolla mathata ts'ebelisong ea konkreite, litsebi li ntse li ntlafatsa ts'ebetso eathepa ea konkreite ka lilemo tse ngata 'me ba fihletse liphetho mohato ka mohato, joalo ka ho eketsa metsoako, ho lokisa karolelano ea ho kopanya, ho ntlafatsa ts'ebetso ea tlhahiso le mekhoa ea tlhokomelo.
1. Lisebelisoa tsa liteko le mekhoa ea liteko
Samente e tloaelehileng ea silicate ea P. O 42.5 e khethiloe, ka matla a khatello a 28d a 48.3MPa le matla a ho kokobela a 28d a 8.2MPa. Lehlabathe le mahareng le nang le modulus e boreleli ea 2.5-2.6 le sebelisitsoe e le motsoako o motle, ka bongata bo bonahalang ba 1996kg/m3. Lejoe le sithabetseng le sa khaotseng la 5-27mm le sebelisitsoe e le motsoako o moholo, ka bongata bo bonahalang ba 2737kg/m3. Sekhahla sa phokotso ea metsi sa 40% se sebelisitsoe. 40% ea Sika polycarboxylic acid e sebetsang hantle haholo e fokotsang metsi e sebelisitsoe. Bolelele ba likhoele tse khaotsoeng tsa faeba ea basalt e ka ba 30mm, bophara ba monofilament bo ka ba 15um, bongata ke 2.7g/cm3, modulus ea ho tenyetseha ke 95-120MPa, matla a ho thapolla ke 3300-4500MPa, 'me bolelele ba ho khefutsa ke hoo e ka bang 2.5-30%.
Litšoaneleho tse nepahetseng tse sebelisitsoeng tekong ena li bontšitsoe ho Tafole ea 1. Teko ea ho hatella e kenngoa tšebetsong ho latela Standard for Test Methods of Mechanical Properties of Ordinary Concrete. Teko ea ho hatella e amohela disampole tsa likhubu tsa 100×100×100mm, disampole tse 3 sehlopheng ka seng, ho phekola ho tloaelehileng ha 28d.
| Tafole ea 1Palo ea thepa e sebelisitsoeng ho lokisa lihlopha tse fapaneng tsa disampole | ||||||||
| Nomoro ea letoto | Dikahare tsa faeba | Palo ea thepa e sebelisitsoeng | ||||||
| Ntho | V(%) | M(kg/m3) | konkreite | molora oa mashala | lehlabathe | lejoe | metsi | sesebelisoa sa ho fokotsa metsi |
| S0 | 0 | 0 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S1 | 0.1 | 2.65 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S1.5 | 0.15 | 3.975 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S2 | 0.2 | 5.3 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S2.5 | 0.25 | 6.625 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S3 | 0.3 | 7.95 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
| S3.5 | 0.35 | 9.9275 | 420 | 60 | 656 | 1069 | 210 | 2.4 |
2. Tke mehato
(1) hlakola pele karolo ea teko e lokelang ho hlahlojoa ka mor'a ho hlahloba ponahalo le ho lekanya boholo, ho nepahetse ho 'na. Ho se lekane ha bokaholimo ba bere ea sampole ho fihla ho 100mm, phoso ha e fete 0.5mm, 'me bokaholimo ba bere le ho se tsitse ha boa lokela ho ba boholo ho feta litlhoko tsa tekanyo ea degree e le' ngoe;
(2) mothapo wa sampole wa mochini wa teko o tsamaellanang le bohareng ba poleiti ya kgatello tlasa mochini wa teko. Bula mochini wa teko, ha poleiti ya kgatello e ka hodimo le sengoathoana sa teko di kwala, lokisa tshehetso, e le hore matla a tshwane;
(3) ts'ebetso ea ho kenya e le ho boloka e tswela pele ebile e tšoana, lebelo la ho kenya teko le nka 12kN / s-18kN / s; (4) rekota mojaro o moholo ka ho fetisisa, o nepahetseng ho fihlela ho 0.1MPa.
3. Liphetho tsa liteko le tlhahlobo
Jwalo ka ha ho ka bonwa ho tsoa ho Tafole ya 2, matla a ho hatella a konkreite a 7d ka keketseho ya Basalt Likhoele li hlahisa litšobotsi tsa ho fokotseha butle-butle ho sa fetoheng, e leng se bakoang haholo ke ho eketsoa ha likhoele tsa basalt, likhoeleng le samenteng tse entsoeng sebakeng se kopaneng ho hlahisa bokaholimo bo fokolang, 'me ka keketseho ea bongata ba ho kopanya likhoele, mofuta ona oa bokaholimo bo fokolang o ntse o eketseha, kahoo matla a khatello ea li-cubic a tsoela pele ho fokotseha ka tlhaho. Matla a khatello ea konkreite a 28d ka keketseho ea tekanyo ea fiber ea basalt a bontša mokhoa oa keketseho ea pele ebe oa fokotseha, lebaka la keketseho ena ea pele ke palo e nyane ea dopedlikhoele tsa basalt e bapala karolo ho hokahaneng ho isa bohōleng bo itseng ho fokotseng ho fokotseha ha sebopeho sa konkreite ka boeona, ha ka nako e ts'oanang e eketsa bokaholimo bo fokolang ha bo bapisoa le keketseho ea matla a 28d hore e be bo fokolang haholo, e leng se eketsang ts'ebetso ea kakaretso ea matla.
| Tafole ea 2 Litekanyetso tsa teko ea matla a khatello ea kyubi | |||
| Nomoro ea letoto | Dikahare tsa faeba | Matla a ho hatella a dikhubu | |
| Ntho | V(%) | 7d | 28d |
| S0 | 0 | 40.7 | 48.9 |
| S1 | 0.1 | 41.3 | 53.1 |
| S1.5 | 0.15 | 39 | 51.4 |
| S2 | 0.2 | 36.6 | 45.5 |
| S2.5 | 0.25 | 29.2 | 43.1 |
| S3 | 0.3 | 25.8 | 42.5 |
| S3.5 | 0.35 | 31.2 | 42.3 |
4. Sephetho
Ho ya ka pono ya matla a ho hatella a dikhubu, ha motswako wa faeba ya basalt e kgutshwane o fihla ho hoo e ka bang 1-1.5% ka peresente ya bophahamo, matla a ho hatella a dikhubu a 7d le 28 a kgubiki a kgubiki. faeba ea basalt konkreite e eketsoa ho isa bohōleng bo itseng ha e bapisoa le ea konkreite ntle le motsoako oa faeba.
