Ukhonkolo: Izakhiwo, Izilinganiso Zokwengeza kanye Nokulawulwa Kwekhwalithi

Ikhonkrithi iyinto yokwakha esetshenziswa kabanzi eyaziwa ngamandla ayo, ukuqina kwayo, kanye nokuguquguquka kwayo. Nazi izici ezibalulekile zekhonkrithi, izithasiselo ezivamile ezisetshenziselwa ukuthuthukisa lezi zakhiwo, izilinganiso zezithasiselo ezinconywayo, kanye nezinyathelo zokulawula ikhwalithi:

Izakhiwo zekhonkrithi:

1. Amandla Okucindezela: Amandla ekhonkrithi okumelana nemithwalo ye-axial, elinganiswa ngamakhilogremu nge-inch yesikwele (psi) noma ama-megapascals (MPa).
2. Amandla Okucindezela: Amandla ekhonkrithi okumelana namandla okucindezela, ngokuvamile aphansi kakhulu kunamandla okucindezela.
3. Ukuqina: Ukumelana kwekhonkrithi nokuwohloka, ukuhlaselwa ngamakhemikhali, ukuguguleka, nezinye izinhlobo zokonakala ngokuhamba kwesikhathi.
4. Ukusebenza Kalula: Kulula ukuxuba ukhonkolo, ukubeka, ukugoqa, nokuqedela ukuze kufezwe ukuma nokuqeda okufiselekayo.
5. Ubuningi: Ubuningi bekhonkrithi ngeyunithi ngayinye, obuthinta isisindo sayo kanye nezakhiwo zayo.
6. Ukushwabana kanye nokuqhekeka: Izinguquko kuvolumu kanye nokuguquguquka ngokuhamba kwesikhathi ngenxa yokomisa, ukushintshashintsha kwezinga lokushisa, kanye nemithwalo eqhubekayo.
7. Ukuvuleka: Amandla ekhonkrithi okumelana nokudlula kwamanzi, amagesi, nezinye izinto ngokusebenzisa izimbobo kanye nama-capillary ayo.

Izithasiselo Ezivamile Nemisebenzi Yazo:

1. Izinto Zokunciphisa Amanzi (Ama-Superplasticizer): Zithuthukisa ukusebenza kahle futhi zinciphise okuqukethwe kwamanzi ngaphandle kokulahlekelwa amandla.
2. Ama-Air-Entracing Ejenti: Faka amabhamuza omoya amancane ukuze uthuthukise ukumelana nokuncibilika nokuqandisa kanye nokusebenza kahle.
3. Abahlehlisi: Ukulibazisa ukubeka isikhathi ukuze kuvunyelwe ukuthuthwa okude, ukubekwa, kanye nezikhathi zokuqeda.
4. Ama-Accelerator: Asheshisa isikhathi sokusetha, ikakhulukazi awusizo ezimweni zezulu ezibandayo.
5. Ama-Pozzolans (isb., i-Fly Ash, i-Silica Fume): Thuthukisa amandla, ukuqina, futhi unciphise ukungena kwamanzi ngokuphendula nge-calcium hydroxide ukuze kwakheke ama-compounds engeziwe e-cementitious.
6. Imicu (isb., Insimbi, Izinto Zokwenziwa): Ithuthukisa ukumelana nokuqhekeka, ukumelana nokushayisana, kanye namandla okunamathela.
7. Ama-Corrosion Inhibitors: Vikela imigoqo yokuqinisa ekugqwaleni okubangelwa ama-ion e-chloride noma i-carbonation.

Izilinganiso Ezinconyiwe Zokwengeza:

• Izilinganiso ezithile zezithasiselo zincike ezintweni ezifana nezakhiwo zekhonkrithi ezifiselekayo, izimo zemvelo, kanye nezidingo zephrojekthi.
• Izilinganiso zivame ukuvezwa njengephesenti lesisindo sikasimende noma isisindo esiphelele senhlanganisela kakhonkolo.
• Izilinganiso kufanele zinqunywe ngokusekelwe ekuhlolweni kwelabhorethri, ukuxubana kwesilingo, kanye nezindinganiso zokusebenza.

Izinyathelo Zokulawula Ikhwalithi:

1. Ukuhlolwa Kwezinto Ezisetshenziswayo: Yenza izivivinyo ezintweni ezingavuthiwe (isb., ama-aggregates, usimende, izithasiselo) ukuqinisekisa ukuhambisana nezindinganiso kanye nemininingwane efanele.
2. Ukuhlanganisa Nokuhlanganisa: Sebenzisa imishini yokulinganisa nokulinganisa enembile ezintweni ezihlanganisiwe, bese ulandela izinqubo ezifanele zokuhlanganisa ukuze ufinyelele ukufana nokuvumelana.
3. Ukuhlolwa Kokusebenza Nokungaguquguquki: Yenza izivivinyo zokuwa, izivivinyo zokugeleza, noma izivivinyo ze-rheological ukuze uhlole ukusebenza kahle futhi ulungise izilinganiso zokuxuba njengoba kudingeka.
4. Ukwelapha: Sebenzisa izindlela ezifanele zokwelapha (isb., ukwelapha okumanzi, amakhemikhali okwelapha, ukwelapha ama-membrane) ukuvimbela ukoma ngaphambi kwesikhathi nokukhuthaza ukumuncwa kwamanzi.
5. Ukuhlolwa Kwamandla: Qapha ukuthuthukiswa kwamandla aqinile ngezindlela zokuhlola ezijwayelekile (isb., ukuhlolwa kwamandla okucindezela) eminyakeni ehlukahlukene ukuqinisekisa ukuhambisana nezidingo zomklamo.
6. Izinhlelo Zokuqinisekisa Ikhwalithi/Ukulawula Ikhwalithi (QA/QC): Sungula izinhlelo ze-QA/QC ezifaka ukuhlolwa okuvamile, imibhalo, kanye nezinyathelo zokulungisa ukuqinisekisa ukuvumelana nokunamathela ezimisweni.

Ngokuqonda izakhiwo zekhonkrithi, ukukhetha izithasiselo ezifanele, ukulawula izilinganiso zezithasiselo, kanye nokusebenzisa izindlela zokulawula ikhwalithi, abakhi bangakhiqiza ikhonkrithi yekhwalithi ephezulu ehlangabezana nezidingo zokusebenza futhi ithuthukise ukuqina nokuqina kwezakhiwo.