June 15, 2020
Nneɛma anan a wɔyɛ wɔ da a wɔde nneɛma bɛkɔ no siw akasakasa a ɛba akyi no mu dodow no ara ano. Wɔn mu biara nnye bɛboro dɔnhwerew biako, na ɛsɛ sɛ ne nyinaa si ansa na wɔde wɔn nsa ahyɛ krataa a wɔde bɛkɔ no ase.
Ansa na wode wo nsa hyɛ ase sɛ wode dade nhama bɛkɔ no, yɛ nneɛma anan: fa lot nɔma no toto amanneɛbɔ a ɛfa po so hyɛn ho no ho, bue nkotoku abiɛsa na hwehwɛ balling ne rust, kari de si net weight so dua, na hyehyɛ retention sample. Sɛ wɔka bom a, egye nea ennu dɔnhwerew biako na wosiw akasakasa dodow no ara a ɛba wɔ nneɛma pa ho a ɛba akyi no ano. Anamɔn a wɔtaa huruw ne retention sample: sɛ ahoɔden so tew anaasɛ mpaapaemu da adi pɛ a, sɛ nhwɛsode biara mfi delivery no nni hɔ a, ɔkwan biara nni hɔ a wɔbɛfa so akyerɛ sɛ ebia na ade no anaa nea wɔde sii hɔ no dii mfomso. Fa lot nɔma a wɔakyerɛw date, lot ne nea ɔde mae no agyirae, na fa sie kosi sɛ wobegye nhyehyɛe no atom.
Balling ne sintɔ a wotumi hu sen biara wɔ dade nhama mu. Fa nsa kakraa bi a ɛnyɛ nhyehyɛe fi kotoku mu, petepete so wɔ baabi a ɛyɛ tratraa na hwɛ: nnyigyei ade no yɛ nhama ankorankoro a ɛyɛ hare. Afei fa petepete nsa ntam; sɛ ɛtetew mu ntɛmntɛm a na ɛyɛ compacted nkutoo wɔ transit mu, sɛ ehia ahoɔden a wɔde gluu anaasɛ caked. Hann a ɛtwetwe no nyɛ sintɔ, nanso mpɛn pii no, block a ɛremfa nsa ntetew mu no bɛda so ara ayɛ bɔɔl bere a wɔafra awie no. Hwehwɛ akuwakuw a ɛyɛ fĩ nso a nkɔnsɔnkɔnsɔn abɔ mu, a ɛyɛ den sen biara sɛ wobebue wɔ afrafra a ɛyɛ dry mu.
Ɛnyɛ ɔhaw ankasa sɛ asase a ɛyɛ kusuu kakra bere a woadu hɔ no yɛ ɔhaw, nanso ɛsɛ sɛ wɔde adwene si nkekae a ɛyɛ kɔkɔɔ-biribiri a ɛyɛ nkannare so. Mpɛn pii no, nhama a wɔde kɔbere adura ho no yɛ kɔbere a ɛhyerɛn, nea wɔde zinc akata so no te sɛ dwetɛ fitaa, na ɛnsɛ sɛ emu biara da mmeae akɛse a nkannare kɔkɔɔ adi bere a wɔde rekɔma no. Wobetumi ama nsu a ɛyɛ hare a efi akwantu mu no ayow wɔ baabi a mframa fa mu a ɛrempira, nanso ɛsɛ sɛ wɔfa pii a ɛkyerɛ sɛ amoa mu nkannare no de nkyene a wɔde petepete so anaasɛ wɔpow, efisɛ amoa bɛyɛ baabi a wofi ase ma akyiri yi nsɛe.
Afuw mu nhwehwɛmu a mfaso wɔ so a wɔde hwehwɛ dodow a wɔde ma no ne sɛ wɔbɛhohoro na wɔakari. Fa kɔnkrit a wɔadi afra foforo dodow a wonim, hohoro paste ne aggregate no (aggregate nhaban pa ne nsu no, fiber tra hɔ), ma woyow na kari fiber no, afei kyekyɛ mu denam nhwɛsode dodow no so na woanya dodow ankasa. Pɛpɛɛpɛyɛ no sua, nanso ɛkyere mfomso akɛse te sɛ nhama no nkyem abiɛsa mu biako a ɛyera. Ɔkwan foforo ne batching kyerɛwtohɔ: afifide no kari nhyehyɛe no kyerɛw batch biara, na sɛ wɔhwɛ fiber mu duru wɔ batch biara mu a, ɛyɛ ntɛm sen site sampling.
Flexural toughness ne ade titiriw a ɛma dade nhama kɔnkrit yɛ adwuma, na gyinapɛn abien na ɛwɔ hɔ: EN 14651 wɔ Europa ne ASTM C1609 wɔ Amerika Atifi fam. EN 14651 de notched beam di dwuma wɔ abiɛsa-point bending, kyerɛw adesoa atia mpaapaemu ano bue displacement, na ɛbɔ ahoɔden a aka ho amanneɛ wɔ defined displacements. ASTM C1609 de unnotched beam di dwuma wɔ anan-point bending na ɛbɔ amanneɛ sɛ flexural ahoɔden ne residual ahoɔden a ɛyɛ pɛ. Ɛnyɛ nea wotumi sesa gyinapɛn ahorow no, enti ɛsɛ sɛ apam no bɔ gyinapɛn no din. Sɛ woretow beam nhwɛsode ahorow wɔ beae hɔ a, hyɛ sɛnea fiber kyerɛ no nsow: wɔtow nhwɛsode ahorow no wɔ ɔkwan soronko so wɔ ɔdan no ho, a ɛsakra sɛnea wɔsusuw no denden.
Gye a wogye tom a ɛyɛ den gyina cores so. Kwati mmeae a nhama a ɛda adi wɔ soro no wɔ, afei hwɛ anim a wɔatwa no: ɛsɛ sɛ nhama no trɛw mu pɛpɛɛpɛ a nhama biara nni mu. Fiber a emu yɛ duru a ɛda adi wɔ core edge no kyerɛ sɛ na zone no bɛn formwork no dodo anaasɛ ɛwosow dodo. Core compressive ahoɔden ne structural ahoɔden nyɛ ade koro; ɛda mpɔtam hɔ density adi wɔ saa bere no mu, na eye sɛ wɔkenkan no bom ne rebound anaa ultrasonic aba.
Mfomso a wɔtaa di wɔ site a wogye tom mu ne sɛ wɔbɛfa sɛ wɔayɛ sɛ wɔagye atom. Sɛ biribi ankɔ yiye a, nsɛm ne mfonini nkutoo na ɛtra hɔ. Nneyɛe anan a wɔyɛ da a wɔadu hɔ no ho ka sua na ɛsom bo kɛse. Nea edi kan no, twa nsɔano no ne bere a apon no bue no mfonini, na ɛno kyerɛ sɛ wɔansesa adesoa no wɔ bere a wɔde fa kwan so no mu. Nea ɛto so abien no, twa inkjet batch code a ɛwɔ bag ahorow no so no mfonini na hwɛ sɛ ɛyɛ nkyerɛwde biara a ɛne adansedi krataa a ɛne nneɛma no tuu kwan no hyia; biribiara a ɛnhyia no kɔ kyerɛwtohɔ a wɔakyerɛw mu wɔ hɔ ara. Nea ɛtɔ so mmiɛnsa, bue nkotokuo mmiɛnsa na twe 500 g firi emu biara mu kɔ zip bag a wɔakyerɛw so batch, date ne sampler, fa baako sie wɔ beaeɛ hɔ, san de baako kɔ adwumayɛbea hɔ na toto baako so sɛ reserve. Nhwɛsode ahorow a wɔakora so ne honam fam adanse a ɛwɔ akasakasa biara a ɛba akyiri yi akyi, na sɛ enni hɔ a, wontumi nka sɛ sɔhwɛ biara mu aba. Nea ɛto so anan no, hwɛ sɛ emu duru yɛ nokware, kari nkotoku abiɛsa na sɛ bi twe ne ho bɛboro ɔha biara mu nkyem 2 a, san kari dodow no nyinaa. Kyerɛw akontaahyɛde abiɛsa: mu duru ankasa a wonyae, dodow a wɔahwɛ mu, ne ahoɔden a ɛne no sɛ a wɔde bɛbɔ a efi toughness sɔhwɛ no mu. Sɛ wopɛ dodow a wɔahwɛ mu a, tow nhwɛsode biako gu, hohoro mu, fa magnet tetew mu na kari nhama no, afei san bu kilogram ahorow wɔ cubic mita biara mu; saa anammɔn yi kyere nneɛma a wɔde kɔma a emu duru yɛ tiaa dodow no ara. Ɛsɛ sɛ nhwɛsode nɔma yɛ map de hwie mmeae agu na ɛsɛ sɛ wɔkyerɛw tebea horow a wɔde sa yare no to hɔ, anyɛ saa a nea efi mu ba nnafua 28 no nkyerɛ hwee. Wɔwɔ bere a etwa to a wɔde bɛbɔ ka, na apam dodow no ara hwehwɛ sɛ wɔkyerɛw krataa a ɛkyerɛ sɛ wɔkasa tia nneɛma a ɛyɛ papa wɔ nnanson akyi bere a wɔadu hɔ no; miss it na adanse pa mpo bu akontaa sɛ gye a wogye tom. Gye a wogye tom no nyɛ inspector no dea, ɛyɛ w’ankasa w’akwan a wobɛsan akɔ. Wɔtaa huruw nneɛma abien foforo. Kan akuru no bere a wɔabue kotoku bi mu: akuru bɛboro abiɛsa a ne kɛse te sɛ nsateaa wɔ kotoku biako mu kyerɛ sɛ nhama no nyaa nsu bere a na ɛrekɔ anaasɛ wɔde sie, na ɛsɛ sɛ wɔde saa kuw no to nkyɛn sen sɛ wɔde bɛma afrafrade no. Afei hwɛ mu duru a ɛwɔ mu no mu ma ɛne po so hyɛn agyiraehyɛde no hyia, efisɛ ɔha biara mu abien wɔ tɔn aduonu a wɔkra so no yɛ kilogram ahanan, a ɛbɛn ɔsram biako a wɔde adi dwuma.
Sɛ wogye tom a, asɛm bi hia nkɔnsɔnkɔnsɔn a edi mũ: nhwɛsode a wɔde sie, lot nɔma ne amanneɛbɔ a wɔde fa po so hyɛn, ahohoro-na-kari kyerɛwtohɔ, mfonini atitiriw ne sɔhwɛ amanneɛbɔ, ne kyerɛwtohɔ a ɛfa bere a wɔde frafra, ɔkwan a wɔfa so ma aduan ne ɔhyew a wɔhwie gu ho a wɔde si hɔ. Break any link na asɛyɛde bɛyɛ akyinnyegye. Batch amanneɛbɔ a wɔkyerɛw ne shipment plus joint sealing of site samples kɔ apam no mu ne ahobammɔ a ne bo yɛ mmerɛw sen biara a ɛwɔ hɔ. Sɛ wopɛ sɛ wogye tom wɔ grade mu a, ɔfa biara a ɛwɔ steel fiber product kratafa no so no kyerɛw diameter, length, aspect ratio ne tensile values a wɔasusuw, a wobetumi atintim na wɔde adi dwuma tẽẽ sɛ site ntotoho krataa.
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaKɔbere-plated microwire, awɔw twetwe hook awiei type, glued wɔ row, fam type, 304 / 310S / 446 stainless dade ne melt-twe ɔhyew-resistant fiber, UHPC soronko synthetic fiber, diameter 0.2 kosi 1.0 mm, tenten 6 kosi 60 mm, tensile ahoɔden 700 kosi 2850 MPa, emu nsɛm coverage 0.5% kɔsi 2% volume rate ne 30 kɔsi 268 kg/m3. Wobetumi ayɛ nhyehyɛe a wɔbɛyɛ no sɛnea ASTM A820 anaa EN 14889-1 kyerɛ na wobetumi de batch inspection amanneɛbɔ ama. Wɔboa nneɛma a wɔde kyekyere nneɛma ahorow abiɛsa: nnaka, ton bag ne bulk. Aguadi ho nsɛm yɛ nea wobetumi apaw EXW / FOB / CIF / DDP.
Sua dade nhama a wɔpaw ne nsɛm a wɔafa aka ho ade →