Performance Optimization uye Injiniya Chikumbiro Tsvagiridzo yeKapfupi-Cheka Basalt Fiber-Yakasimbiswa Concrete

Mumakore achangopfuura,China's highway engineering Kuvaka yakakurumidza kukura, uye kongiri yekugadzira tekinoroji yakawana kufambira mberi kukuru, kuunganidza zvakawanda zvemberi uye zvehunyanzvi zvakabudirira. Concrete chimiro dhizaini yakashandiswa zvakanyanya mumunda wekuvaka zvivakwa, kuratidza kukosha kwayo. Zvisinei, pamwe chete nezvakabudirira izvi, dambudziko re kutsemuka kongiri iri kuramba ichikurumbira. Kuvapo kwekutsemuka kunokanganisa kushanda kwekongiri, kunyanya kuderedza kwayo tensile simba, ndicho chikonzero chikuru chekukundikana kwebrittle kunoratidzwa nekongiri. Short-cut basalt fiber, sechinhu chitsva chefiber material, yave yakanakisa kongiri yekusimbisa zvinhu nekuda kweiyo yakasarudzika michina zvivakwa, kugadzikana kwakanaka, uye yakakwirira-inodhura-inoshanda.Ichi chinyorwa chichatarisa pane maitiro e-short-cut Basalt Fiber uye ongorora kushanda kwayo kunoshanda mukusimbisa kongiri nekusimbisa.

2. Zvinhu zvePfupi-Cut Basalt Fiber

2.1 Tsanangudzo

basalt fiber is an inorganic mineral fiber iyo inogadziriswa nekucheka inoenderera basalt fiber kuita hurefu hushoma pane $50\text{mm}$. Inogona kuparadzirwa zvakafanana mukati mekrete. Maererano nekushandiswa kwayo, inogona kunyanya kuiswa mu: anti-cracking fiber yekongiri ($\text{BF}$), kuomesa uye kusimbisa fiber yekongiri ($\text{BZ}$), uye anti-cracking fiber yedhaka ($\text{BSF}$), pakati pevamwe.

2.2 Kuita kwe Pfupi-Cheka Basalt Fiber

Short-cut basalt fiber ine zvinhu zvakanakisa zve simba rakakwirira uye high modulus. Kusimba kwayo kunogona kusvika $1050\text{-}1250\text{MPa}$, uye elastic modulus yayo haisi shoma pane $34\text{GPa}$. Zvayo kupikisa kwepamusoro-tembiricha zvinoshamisa, kuibvumira kuti irambe ichishanda mukati mehupamhi hwekushisa kwe −269∘C ku 650∘C. Inoratidza yakakwirira corrosion resistance uye kugadzikana kwemakemikari mune corrosive media senge acids, alkalis, uye munyu. Kunyanya mune alkaline midhiya senge yakazara alkali mhinduro uye simende, yayo imwe-filament fracture simba retention rate yakakura kudarika $75\%$, kuratidzira kupikisa kwakanyanya kune alkali corrosion. Short-cut basalt fiber ane kugarisana kwakanaka ine inorganic binders, mwero wekutora mwando wakaderera pane $1\%$, uye hygroscopicity yayo haichinji nekufamba kwenguva. Izvi zvinoratidza kugadzikana kwayo kwezvinhu zvakanaka, hupenyu hurefu, uye kuenderana kwezvakatipoteredza panguva yekushandiswa. Uyezve, iyi fiber inewo yakanakisa hunhu senge insulation, kusefa kwepamusoro-tembiricha, radiation resistance, uye wave-kutumira kugona. Maitiro ayo ekuita anoratidzwa muTafura 1.

3. Kuongororwa Kwekushandisa kweShort-Cut Basalt Fiber muConcrete

Short-cut basalt fiber yakasimbiswa kongiri zvinosanganisira kubatanidza imwe chiyero chekuenderera mberi kana kuti discontinuous short-cut basalt fiber mukrete nenzira yakakodzera. Ndichiri kuchengetedza mukana wekutanga wekongiri yekumanikidza simba, nzira iyi inogona zvakanyanya kuvandudza yayo kuoma uye tensile simba, nokudaro kunyatsosimbisa nekusimbisa kongiri uye kuwedzera hupenyu hwebasa reiyo engineering chimiro.

Pamusoro pe basalt fiber, carbon fiber, girazi fiber, aramid fiber, uye mamwe akashandiswawo sezvinhu zvekusimbisa mukongiri. Zvisinei, tsika yenguva refu inoratidza kuti zvinhu izvi zvinopa dzimwe nyaya kana zvashandiswa kune kongiri, zvichiita kuti zviome kuzadzisa kudiwa kwemusika kwekongiri yekushanda kwepamusoro. Kubuda kwepfupi-yakatemwa basalt fiber inozadza gaka iri muzvishandiso uye nzira, kusimudzira zvakanyanya kuvandudzwa kwekongiri yekusimbisa uye yekusimbisa tekinoroji. Basa rayo mukusimbisa kongiri uye kusimbisa rinonyanya kuratidzwa mune zvinotevera zvinhu:

1. Effective Crack Inhibition: Nekuda kwehuwandu hwayo uye pamusoro penzvimbo zvakanakira, Short-cut basalt fiber inogona kunyatso kudzora madiki madiki, kudzivirira kubatana kwavo uye kuwedzera. Zvichakadaro, inokunda kuipa kwemamwe mafibhi ekugadzira, senge low density, simba rakaderera, uye yakaderera elastic modulus. Haisi kutsemuka nyore nyore panguva yekuparadzira crack, iyo inogona kumisa zvakanyanya kukura kwe micro-cracks uye kunonoka chizvarwa chekutsemuka kutsva, inobata zvakanaka kuvandudzwa kwekongiri kupinza uye kutonhora-kunyungudika kuramba.

2. Inosanganisa Yakakwira Modulus neKuvaka Kureruka: Ipfupi-yakatemwa basalt fiber haingokwidzi mabhenefiti akafanana nesimbi fiber's yakakwira modulus uye yakakwira imwe-filament tensile simba kuvharisa mutswe kuwedzera, asi zvakare zvinobudirira kukunda zvipingamupinyi zvesimbi fiber, senge nyore clumping panguva yekusanganisa uye kuomerwa nekupomba nekuvaka.

3. Yakanaka Dispersibility uye Kuenderana: Se silicate-based inorganic fiber, Short-cut basalt fiber ine kuenderana kwechisikigo necementitious zvinhu. Density yayo (approx. 2.63-2.80g/cm3) iri padyo neiyo simende kongiri nedhaka, zvichikonzera kushanda zvakanaka. Kana zvawedzerwa, inogona kupararira zvakafanana muchimiro chekrete.

4. Yakanakisa Durability: Pamusoro-yakagadziridzwa pfupi-yakatemwa basalt fiber inoratidza "inert fiber" maitiro, kuratidzira kupikisa kwakanyanya kune tembiricha yakanyanya, ngura, uye kukanganisa. Inochengetedza kugadzikana kunyangwe munzvimbo dzekupisa uye dzinotyisa zvakanyanya, uye inogona kukwidziridza deformation kuramba ye simenti matrix. Naizvozvo, inogona kuenderana neyakaomesesa nharaunda yekusanganiswa kongiri, kudira, kugadzirisa, uye nhanho dzebasa, kuvandudza zvakanyanya durability zvekongiri.

Muchidimbu, short-cut basalt fiber inogona kunyatso kuvandudza kukanganisa kwekongiri, kuderedza brittleness yayo, uye nekuwedzera kusimudzira mashandiro ayo emuchina. Zvakananga, inoshanda mumakongiri zvimiro kudzivirira kuputika, kudzivirira kubuda, kuwedzera kusimba, kunatsiridza maitiro uye tensile kugona, uye kubatsira kuvandudza pamusoro pemhando.

4. Nzira dzekuvaka uye Kuchengetedza kweKupfupi-Cheka Basalt Fiber Concrete

4.1 Kuvaka Tembiricha

Short-cut basalt fiber kongiri inofanira kuvakwa pane tembiricha pakati −5∘C uye 25∘C. Kupisa kwakanyanya kana kuderera kunogona kukonzera kusafanana kwemusanganiswa.

4.2 Kudzora Kwemhando Yekuvaka

Kudzora kwemhando yepfupi-yakatemwa basalt fiber kongiri yekuvaka inofanirwa kutarisa pane yakaomeswa yekuongorora, chokwadi chemita, uye kunaka kwemaitiro ekusanganisa.

4.2.1 Sanganisa Chikamu Dhizaini

Mukuvaka chaiko, akasiyana mapfupi-akacheka basalt fiber dosages anofanirwa kusarudzwa mukati mehunyoro hunoenderana nezvinodiwa zveprojekiti. Sezvo ipfupi-yakatemwa basalt fiber pachayo isingaite makemikari nezvimwe zvinhu zvekongiri kana zvakasanganiswa, muyero wayo hauwanzo kushandura iyo yekutanga kongiri musanganiswa chikamu dhizaini misimboti. Panguva yekuvaka, Hunhu hwezvinhu zvese hunofanirwa kunyatsotemwa zvichienderana neyakasanganiswa musanganiswa chikamu uye huwandu hwebatch yemusanganiswa mumwechete. Tafura 2 inopa muenzaniso weiyo optimal musanganiswa chikamu chebasalt fiber reinforced concrete.

Bvunzo dzakaratidza kuti yakakwira faibha dosage haingokonzeresa kutsemuka kuri nani. Kana iyo dosage isingapfuuri 1.2kg/m3, simba rekumanikidza rekongiri rinoratidza maitiro ekuwedzera kwekutanga kunoteverwa nekuderera (kuratidza kukosha kwepamusoro) sezvo fiber dosage inowedzera.

4.2.2 Hurongwa hwekudyisa uye Nzira

Panguva yekusanganiswa, pfupi-cut basalt fiber inofanira kuwedzerwa panguva imwe chete nezvikamu zvakadai sejecha nematombo. Inokurudzirwa kusasa iyo fiber zvakafanana mujecha nedombo panguva yekuiswa kwavo, wobva wawedzera mvura yekusanganisa nyoro.

Fiber yekuwedzera nzira dzinogona kukamurwa kuita manyore uye otomatiki kudyisa:

• Manual Feeding: Iyo yakayerwa basalt fiber inowedzerwa nemaoko mushure meiyo inopisa aggregate yakaiswa mumusanganisi. Iyi nzira inosanganisira kusimba kwakanyanya kwevashandi, yakaderera kusanganisa kufanana, uye inoda kuwedzerwa kwakakodzera kwenguva yekusanganiswa kuti ive nechokwadi chekupararira kwefiber.

• Automatic Feeding: An automatic basalt fiber dosing muchina unoshandiswa kuita otomatiki metering uye panguva imwe chete yekuwedzera pamwe nemusanganiswa wekupisa aggregate. Iyo fiber dosing muchina inowanzo shongedzerwa otomatiki metering, pre-dispersing, uye nzira dzekufambisa dzepneumatic, kupa zvakanakira zviri nyore, kutsanya, uye kuwedzera kwakarurama. Nzira yakakodzera inofanira kusarudzwa zvichienderana nemamiriro ekuvaka.

4.2.3 Slump Adjustment

Kuwedzerwa kwefiber zvishoma kunowedzera viscosity yemusanganiswa wekongiri, izvo zvinokanganisa kudonha. Kana iyo slump isingaenderane nezvinodiwa zvekuvaka, plasticizer kana mvura-inoderedza mumiririri inofanira kushandiswa zvakanyanya kugadzirisa. Nyaya yacho haifaniri kugadziriswa nekuwedzera mvura.

4.2.4 Kugadzira uye Kurapa

Hapana zvakakosha zvinodiwa pakugadzirwa kwekongiri yakasanganiswa nepfupi-yakatemwa basalt fiber, asi kutenheka kwakakwana uye kusungirirana kunofanira kuchengetedzwa. Kurapa kwayo kunodiwa kwakafanana neiyo yekongiri yakajairika.

Pfupi Yekushandisa Nyaya Yepfupi-Cheka Basalt Fiber Concrete

Iyo Jing-Zhu Expressway (Anyang kusvika Xinxiang chikamu) inzira yenyika huru uye chikamu chakakosha cheHenan Province's Expressway network. Nekuda kwekuzadza kwakakwira uye kuderera kwevhu remhando yepamusoro muchikamu chino, subgrade kugadzirisa kusaenzana uye kumwe kukanganisa kwakaonekwa mushure mekuvhurwa kwayo. Mumakore achangopfuura, nekuwedzera kwehuwandu hwemotokari uye kuwedzera kwemotokari dzakawandisa, iyo pavement yakaramba ichitambura kubva kwakasiyana zvikanganiso senge longitudinal uye transverse cracks, makomba, kugadzirisa, grid kuputika, uye kuputika kwe alligator. Izvi hazvingovhundutsire zvakanyanya kuchengetedzwa kwekutyaira asi zvakare zvinounza kuoma kukuru kwekuchengetedza zuva nezuva. Uyezve, dhizaini yenzira ina yepakutanga yakatadza kuzadzisa zvido zvekufambisa, zvinoda kuwedzera uye kuvaka patsva.

Short-cut basalt fiber kongiri yakashandiswa mukuzadzwa kwegiredhi reprojekiti iyi. Kudzidzira kwakaratidza kuti simba rayo rekusimba rinowedzera nepamusoro $30\%$, kusimba kwayo kuneta kwakavandudzwa nekupfuura $30\%$, uye kushorwa kwayo kunowedzera nekupfuura $300\%$. Yakaratidza kushanda kwakakosha mukudzivirira kutsemuka kwelongitudinal, kuderedza kuwedzera kwekuputika, uye kuwedzera upenyu hwebasa repagwagwa.

Iine yakasarudzika mechanic properties, kugadzikana kwakanaka, uye kudhura kwakanyanya, Short-cut basalt fiber yave inobudirira kongiri yekusimbisa zvinhu. Matarisiro ekushandisa kwepfupi-kudimbura basalt fiber kongiri akafara zvakanyanya. Mabhenefiti ayo akakosha mukusimudzira mashandiro einjiniya uye kuwedzera hupenyu hwesevhisi zvinotarisirwa kuunza zvakanaka zvehupfumi nemagariro, kuchiisa sechinhu chakakosha chekuvakisa mumunda weinjiniya mune ramangwana.