Riba:
- Ƙarfafa ƙididdige ƙididdiga na sassan da aka ƙarfafa don katako, ginshiƙai da ginshiƙai a cikin AI dangane da shigarwa, nau'in kayan aiki da yanayin aminci.
- Ikon tabbatar da yankin ƙarfafawa, mafi ƙarancin ƙarfin ƙarfafawa da ƙididdige ƙididdigewa da AI ke bayarwa a cikin iyakokin TS 500 / EC2
- Ikon kama kurakuran AI a cikin ƙayyadaddun tsari da zaɓin dabara tare da rufaffiyar dabara da tebur
Ƙarfafa siminti wani abu ne mai haɗe-haɗe wanda ke aiki tare, inda simintin ke jure matsi kuma ƙarfin ƙarfe yana jure tashin hankali, kuma yawancin gine-ginen da ke cikin Türkiye an ƙarfafa su. Ana yin lissafin katako, ginshiƙi, slab da ƙididdigar tushe bisa ga ƙa'idodin TS 500 (madaidaicin ƙaƙƙarfan ƙaƙƙarfan Turanci) ko ƙa'idodin Eurocode 2 (daidaitan Turai). AI na iya samar da ƙima da sauri kamar yankin ƙarfafawa, ƙarfafa ƙarfi, mafi ƙarancin iyaka a cikin waɗannan ƙididdiga. Amma tunda ƙididdige ƙididdigewa da aka ƙarfafa ya ƙunshi babban adadin abubuwan aminci, ƙa'idodin iyaka, da sigogin kayan aiki, yana da sauƙin AI don yin kuskuren ƙima ko rasa iyaka. A cikin wannan naúrar za mu ga yadda za a shigar da ƙarfafa ƙididdigar sashe a cikin AI kuma mu tabbatar da fitarwa tare da daidaitattun iyakokin sa.
Material, Coefficient and Design Values
Ƙarfafa ƙididdiga na kankare yana dogara ne akan "ƙarfin ƙira" na halayen halayen da aka rage ta abubuwan aminci. Ba da waɗannan dabi'u a sarari yayin kafa asusu don AI:
- Concrete: Class C25/30 → halayyar matsawa ƙarfi f_ck = 25 MPa. Ƙarfin ƙira f_cd = f_ck / γ_c (ƙwaƙwalwar kayan aiki, na yau da kullun 1.5 a cikin TS 500) = 25/1.5 ≈ 16.7 MPa.
- Karfe mai ƙarfi: B500C → f_yk = 500 MPa. Ƙarfin ƙira f_yd = f_yk / γ_s (ƙirar kayan ƙarfe, ~ 1.15) ≈ 435 MPa.
- Load coefficients: Ana samun nauyin ƙira ta hanyar haɓaka halayen halayen tare da ƙididdiga (misali 1.4G + 1.6Q; tabbatar da ƙa'idar da ta dace).
Waɗannan ƙayyadaddun ƙididdiga suna ƙayyade sakamakon kai tsaye. Idan AI ya sami waɗannan a matsayin 1.0 ko ya tuna da su ba daidai ba, lissafin zai canza zuwa gefen mara lafiya.
Tsanaki: AI na iya rikitar da TS 500 da Eurocode 2 ƙididdiga da ƙididdiga (misali f_cd ma'anar, ƙimar γ, mafi ƙarancin tsarin ƙarfafawa ya bambanta a cikin ma'auni biyu). Ƙayyade a fili a cikin faɗakarwa wane ma'aunin da kake son ƙididdige shi, kuma tabbatar da ƙididdiga da aka samu tare da rubutun halin yanzu na wannan ƙa'idar.
Ƙarfafa Ƙarfafawa na Ƙaƙwalwar Ƙwaƙwalwa: Mataki-mataki
Ma'anar lissafin ƙarfafawa mai sassauƙa a cikin sauƙi mai sauƙi na rectangular: an ba da lokacin ƙira M_d; Ana neman yankin ƙarfafa ƙarfi A_s na sashin da zai ɗauki wannan lokacin. Hanya mai ƙima (tsari na farko):
Abubuwan shigarwa: M_d = 112.5 kN m = 112.5 × 10 ^ 6 N mm b = 300 mm, d (tsayi mai amfani) = 550 mm f_cd = 16.7 MPa, f_yd = 435 MPa Kimanin lokaci na ciki na hannu z ≈ 0.9 d = 5 0.9 Required yanki (kimanin): A_s ≈ M_d / (f_yd · z) A_s ≈ 112.5 × 10^6 / (435 495) A_s ≈ 112.5 × 10^6 / 215.325 ≈ 522 mm² Ø101 = 522 mm² ØSelection: 3mm (yana samar da 522 mm²)
Wannan kimanin hanyar ita ce manufa don duba tsari na sakamakon da AI ya bayar. Ana yin lissafin ƙarshe na ƙarshe tare da cikakkun ma'auni na ma'auni (kashe matsi, zurfin ma'auni) kuma bisa ga ka'ida; Koyaya, idan akwai babban bambanci tsakanin kusan A_s da fitar AI, akwai kuskure.
Rauni Mai Sauƙi / Ƙarfi Mai ƙarfi
RAUNI: "Nawa ƙarfafawa zan saka a cikin katako na 30x60?" (Babu lokacin, abu, daidaitaccen tsayi, tsayi mai amfani.) KARFI: "Ƙarfafawar ƙarfafawa na rectangular ƙarfafa katako na katako bisa ga TS 500: - Lokacin tsarawa M_d = 112.5 kN · m- Sashe b = 300 mm, h = 600 mm, murfin gefe 40 mm (d ≈ 50te ≈ C) - / 550 mm - Cond. 16.7 MPa), ƙarfafa B500C (f_yd ≈ 435 MPa) Nuna SEPARATELY: 1) Wurin ƙarfafa da ake buƙata A_s (formula + matsakaicin mataki + naúrar) 2) Ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi (tare da ma'auni) 3) Zaɓin ƙarfafawa da ya dace (diamita da yawa, daidaitattun kayan aiki) 4 zai tabbata)"
Tabbatar da Madaidaicin Iyakoki
Yankin ƙarfafawa da aka ƙididdige A_s kaɗai bai isa ba. Babban iko a cikin ƙididdige ƙididdiga mai ƙarfi shine tabbatar da daidaitattun iyakoki:
Mafi ƙarancin ƙarfafawa. Ƙarfafawa kaɗan zai sa katako ya karye da zarar ya tsage. TS 500 / EC2 yana saita mafi ƙarancin ƙarfin rabo na ƙarfafawa (dangane da yanki na giciye). Idan AI bai ba da wannan iyaka ba, asusun bai cika ba.
Matsakaicin ƙarfafawa. Ƙarfafawa da yawa yana haifar da kankare don rushewa (raƙuwar gazawar) kafin haɓakar haɓaka. Matsakaicin iyakar rashin daidaituwa ya hana wannan.
Yanke (surrup) ƙarfafawa. Ana ƙididdige ƙarfafa ƙarfafawa da ƙarfafa ƙarfi daban. Idan AI kawai yana ba da ƙarfafa sassauƙa kuma ya tsallake shinge, katako na iya rushewa ba zato ba tsammani saboda ƙarfin ƙarfi.
Tazara da wuce iyaka. Dole ne a samar da mafi ƙarancin sarari tsakanin ƙarfafawa (don kankare don gudana) da ƙaramin murfin zuwa saman waje (don murfin, lalata da wuta). Zaɓin ƙarfafawa wanda bai dace ba a jere ɗaya ba za a iya amfani da shi ba.
Ajin fallasa. Yanayin da ke cikin kankare (bushewar ciki, m, ruwan teku, daskare-narke) yana rinjayar ɗaukar hoto da kuma ajin kankare. AI na iya ba da izini gabaɗaya ba tare da sanin nau'in fallasa abubuwan ba; Koyaya, buƙatun murfin ɓangaren teku da abin cikin gida sun bambanta sosai. Ƙayyade ajin fallasa a cikin hanzari kuma duba idan AI yana ba da ƙimar da ta dace. Har ila yau, lura cewa ginshiƙi da lissafin slab ya bambanta da katako: a cikin ginshiƙan, ana kimanta nauyin axial da lokacin tare (lankwasa mahaɗin), yayin da a cikin slab, ana yin lissafin lanƙwasa yawanci a cikin tsiri na mita. Faɗa wa AI daidai nau'in nau'in nau'in abin da kuke ƙididdigewa; Yin amfani da dabaru na katako zuwa ginshiƙi yana ba da sakamako mara kyau.
sarrafawa
Me yasa yake da mahimmanci?
Kuskuren gama gari na AI
Mafi ƙarancin ƙarfafawa
Karaya mai karyewa
taba bada iyaka
Matsakaicin ƙarfafawa
Rashin gazawar matsin lamba
ba sarrafawa
karfi ƙarfi
gazawar shear kwatsam
Kawai ba da lanƙwasa
Wucewa gefe/tazara
Lalata, aiki
Ba da shawarar kayan aikin da bai dace ba
Material coefficient
gefen aminci
yi γ zuwa 1.0
Mini Cases guda uku
Hali na 1 - Ƙarfafa ƙaramar ƙarfafawa. Matashin injiniyan yana son yin amfani da ƙarfin 180 mm² wanda AI ke bayarwa a cikin ƙaramin ɗan lokaci. Koyaya, iyakar ƙarfin ƙarfafawa ga sashin shine ~ 260 mm². AI ta tsallake mafi ƙarancin rajistan. Zaɓin daidai shine 2Ø14 = 308 mm², wanda ke ba da mafi ƙarancin iyaka. Sarrafa yana hana haɗarin karaya.
Case 2 – Manta Yanke. Don katako, AI yana ba da ƙarfin lanƙwasawa daidai, amma ba ya ƙididdige ƙarar (ƙarfafa ƙarfi) kwata-kwata. Injiniyan yana yin keɓan ikon sarrafa shear don tallafi mai ƙarfi V = 75 kN kuma yana ƙayyade Ø8/150 stirrups. Itacen da yake lanƙwasa daidai amma ba a ƙididdige tsagewarsa ba yana da haɗari a filin.
Case na 3 - Rashin daidaituwa. AI yana amfani da f_cd don C25/30 a matsayin 25 MPa (ƙimar siffarsa), yana manta da kayan masarufi. Wannan yana haifar da yin la'akari da kankare 50% mai karfi da kuma rashin la'akari da ƙarfafawa. Injiniyan ya gyara f_cd = f_ck/1.5 ≈ 16.7 MPa kuma yana sake lissafin ƙarfafawa.
Samfuran gaggawar da za a iya kwafi
KYAUTA KYAUTA KYAUTA: "Duba ƙarfafawar da na zaɓa don ƙaƙƙarfan katako mai ƙarfi dangane da iyaka bisa ga TS 500: - Shin iyakar ƙarfin ƙarfafawa ya cika (tare da tsarinsa)? - Shin iyakar ƙarfin ƙarfafawa ya wuce? - Shin diamita / yanki da aka zaɓa ya dace a cikin jeri ɗaya tare da izinin rufewa da tazara mafi ƙanƙanta? Abubuwan da aka zaɓa: [bangare].
SHEAR REINFORCEMENT PROMPT: "Calculate the shear (stirrup) reinforcement for the following beam according to TS 500: design shear force V_d = [...], section [...], material [...]. Show the shear contribution of the concrete, the required stirrup area and the appropriate diameter/spacing selection SEPARATELY and with units; specify the source of each coefficient you use."
Kuskuren gama gari
- Ƙarfin sifa mai ruɗani tare da ƙarfin ƙira da ƙetare ma'auni na kayan aiki.
- Ba duba mafi ƙanƙanta da iyakar ƙarfin ƙarfafawa ba.
- Ƙididdiga ƙarfin ƙarfafawa da mantawa da ƙididdige ƙididdiga (sirrup).
- Haɗa TS 500 da Eurocode 2 ƙididdiga da ƙididdiga.
- Yin watsi da izinin rufewa da tazarar ƙarfafawa da ba da shawarar sashin da ba zai iya aiki ba.
- Yin amfani da ƙididdiga da AI ta zaɓa ba tare da tabbatar da shi daga ma'auni ba.
A takaice
- Fara ƙididdige ƙididdigewa da aka ƙarfafa ta hanyar ba da kayan abu a sarari, ƙimar aminci da ƙarfin ƙira.
- Ƙayyade a fili wane ma'auni (TS 500 / EC2) kuke son asusun bisa ga; kaucewa hadawa.
- Tabbatar da ƙarfafawar sassauƙan A_s cikin tsari tare da madaidaicin dabara (M_d / (f_yd·z)).
- Tabbatar duba mafi ƙarancin ƙarfafawa, ƙarfafa ƙarfi, izinin rufewa da iyakokin tazara.
- Tabbatar da kowace ƙididdiga da ƙira a cikin rubutu na yanzu na daidaitattun ma'auni.
- Sashe na ƙarshe da shawarar ƙarfafawa yana aiki tare da tabbaci da sa hannun injiniyan da ya cancanta.
Aikin aikace-aikace
Zaɓi ƙaƙƙarfan katako mai ƙarfi na rectangular (kunna ƙayyade ɓangaren giciye, kayan abu da lokacin ƙira). Buƙatar ƙarfafa A_s mai sassauƙa, mafi ƙarancin iyakoki da ƙarfafa ƙarfi daga AI bisa ga TS 500 (ta hanyar tambayar hanyoyin haɗin kai). Sa'an nan: (1) duba lissafin A_s ta hannu tare da madaidaicin tsari, (2) tabbatar da cewa an cika mafi ƙarancin iyaka, (3) duba ko ƙarfafawar da aka zaɓa ya bi ka'idodin murfin da tazara, (4) tabbatar da cewa f_cd da f_yd ana ƙididdige su tare da daidaitattun ƙididdiga. Kula da kuskuren kuma gyara da kuka samu.
jerin abubuwan dubawa
- [ ] Na ayyana ajin kayan, ƙarfin ƙira da abubuwan aminci daidai.
- [ ] Na bayyana ma'auni daidai da abin da na yi lissafin.
- [ ] Na tabbatar da yankin ƙarfafawa a cikin tsari tare da madaidaicin tsari.
- [ ] Na duba mafi ƙanƙanta da iyakar ƙarfin ƙarfafawa.
- [ ] Na ƙididdige ƙarfin ƙarfafa (stirrup) kuma an duba shi daban.
- [ ] Na tabbatar da dacewa da izinin murfin da tazarar ƙarfafawa.
- [ ] Na tabbatar da ƙididdiga da aka yi amfani da su daga rubutun na yanzu na daidaitattun.