{"id":2959,"date":"2021-05-06T06:36:28","date_gmt":"2021-05-06T06:36:28","guid":{"rendered":"https:\/\/3.212.105.250\/?p=2959"},"modified":"2025-01-17T18:05:25","modified_gmt":"2025-01-18T00:05:25","slug":"y-gwahanol-ddulliau-o-brofi-pridd","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2021\/05\/06\/y-gwahanol-ddulliau-o-brofi-pridd\/","title":{"rendered":"Y Dulliau Gwahanol o Brofi Pridd"},"content":{"rendered":"<p>Er bod pridd yn cael ei gysylltu amlaf ag amaethyddiaeth a thwf planhigion, mae yna lawer o ddiwydiannau eraill sy&#039;n ystyried yr elfen naturiol. Un diwydiant sy&#039;n rhyngweithio \u00e2 phridd yn rheolaidd yw seilwaith.<\/p>\n<p>I gwmn\u00efau sydd eisiau i gydrannau eu cyfleuster bara, byddant yn cynnal prawf pridd cyn bwrw ymlaen \u00e2&#039;r gwaith adeiladu. Mae&#039;r cam hwn i sicrhau na fydd y deunydd yn peryglu ansawdd piblinellau, tanceri, na nodweddion eraill. Mae&#039;r gwahanol ddulliau o brofi pridd yn gwirio am ffactorau amrywiol sy&#039;n pennu ansawdd y pridd. Gall cydnabod cyfansoddiad pridd eich gofod adeiladu darpar arbed eich busnes rhag buddsoddiadau sylweddol mewn atgyweirio ac ailosod cyrydiad yn y dyfodol.\u00a0<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/\">Peirianneg Dreiym<\/a>\u00a0yn ymchwilio i&#039;r gwahanol ddulliau o ddadansoddi pridd a ddefnyddir heddiw, yn ogystal \u00e2 dadansoddiad byr o sut y daeth y rheini i fodolaeth.<\/p>\n<h2>Hanes Byr o Samplu Pridd<\/h2>\n<p>Cyn i ni edrych ar wahanol ddulliau profi pridd heddiw, gadewch i ni fyfyrio ar darddiad y gweithdrefnau.<\/p>\n<h3>Y Dechrau<\/h3>\n<p>Mae samplu pridd wedi cyfrannu at gynhyrchiant a pherfformiad cynyddol mewn sawl diwydiant ers canrifoedd. Ar ddiwedd y 1800au, dechreuodd ffermwyr amaethyddol a gwyddonwyr archwilio pridd ychydig yn fwy manwl, gan wirio am agweddau a arweiniodd at y canlyniadau dymunol. Roedd asesu maetholion planhigion yn eu samplau pridd yn llywio gweithrediadau amaethyddol yn fawr.<\/p>\n<h3>Drwy&#039;r 1900au<\/h3>\n<p>Yn gynnar yn y 1900au, rhoddodd prifysgolion neu sefydliadau grantiau tir dir ffederal a mireiniodd dechnegau samplu pridd. Cynghorodd swm anhygoel o ymchwil a arweiniodd at y 1940au ffermwyr a gwyddonwyr ar arferion samplu pridd gorau.<\/p>\n<h3>Gwyddor Pridd a Phrofi Heddiw<\/h3>\n<p>Heb yr esblygiad mewn gweithdrefnau dros y ganrif ddiwethaf, ni fyddai gan wyddor pridd y prosesau dadansoddi a phrofi cymhleth sydd ganddi heddiw. Mae gwyddor pridd yn parhau i ehangu, ac mae diwydiannau&#039;n defnyddio&#039;r wybodaeth sy&#039;n tyfu&#039;n barhaus sy&#039;n deillio o&#039;r maes fel offeryn ar gyfer dewis y pridd gorau ar gyfer eu hanghenion. Dim ond is-set o&#039;r math hwn o wyddoniaeth yw profi pridd, gan fod y gweithdrefnau&#039;n dal i gael eu llywio&#039;n fawr gan y data a gasglwyd drwy gydol y 1900au.<\/p>\n<h2>Beth yw Cyrydiad Pridd?<\/h2>\n<p>Rydyn ni&#039;n mynd i ddefnyddio dadansoddiad o gyrydiad pridd i&#039;n helpu i esbonio pam mae profi pridd mor bwysig. Mae cyrydiad pridd yn ddigwyddiad daearegol sy&#039;n rhwystro metel a choncrit sydd wedi&#039;i gladdu&#039;n uniongyrchol mewn pridd neu graigwely. Gormodol <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2021\/11\/18\/beth-syn-pennu-pa-mor-gyrydol-yw-eich-pridd\/'>cyrydiad pridd<\/a> gall arwain at fethiant anghyfleus y biblinell, ac mewn achosion difrifol, ffrwydrad erchyll.<\/p>\n<p>Mae amrywiaeth o ffactorau sy&#039;n arwain at <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2020\/01\/23\/cyflwyniad-i-gyrydiad-pridd\/'>cyrydiad pridd,<\/a> gan wneud profi yn gam angenrheidiol i atal metelau a choncrit drud rhag cyrydu. Gadewch i ni edrych ar ba ffactorau y mae dadansoddiad pridd Dreiym Engineering yn gwirio amdanynt.<\/p>\n<h2>Ffactorau i&#039;w Gwirio Gyda Gwahanol Dulliau Profi Pridd<\/h2>\n<p>Bydd cwmn\u00efau profi pridd yn gwirio&#039;ch pridd am y ffactorau canlynol:<\/p>\n<ul>\n<li>Awyru<\/li>\n<li>Dargludedd trydanol neu wrthedd<\/li>\n<li>Lleithder<\/li>\n<li>pH<\/li>\n<li>Halennau toddedig<\/li>\n<li>Cynnwys sylffad<\/li>\n<\/ul>\n<h2>Y Dulliau Gwahanol o Brofi Pridd<\/h2>\n<p>Felly, sut mae&#039;r ffactorau hynny&#039;n cael eu mesur? Dyma ychydig o wahanol ddulliau o brofi cynnwys pridd.<\/p>\n<h3>Profi am pH<\/h3>\n<p>Bydd casglu pH y pridd yn rhoi gwybod i chi a yw&#039;n asidig, yn sylfaenol, neu&#039;n niwtral. Mae&#039;r raddfa pH fel a ganlyn:<\/p>\n<ul>\n<li>Ystyrir bod pridd \u00e2 lefel pH islaw 7 yn asidig. Ystyrir bod cynnwys asidig iawn yn \u00f4l cydbwysedd pH o 0, fel asid batri.<\/li>\n<li>Bydd cydbwysedd pH niwtral yn mesur ar lefel o 7, heb gynnwys nodweddion sylfaenol nac asidig.<\/li>\n<li>Ystyrir pridd sydd \u00e2 lefel pH o 8 neu uwch yn sylfaenol. Gall deunyddiau hynod sylfaenol, fel llew, gyrraedd lefel pH o 14.<\/li>\n<\/ul>\n<p>Mae pridd ag asidedd uchel yn gyflym i gyrydu metelau a choncrit. Gellir canfod pH y pridd gan ddefnyddio system slyri sy&#039;n ymgorffori mesurydd pH electronig i bennu&#039;r mesuriadau.<\/p>\n<h3>Profi am Gynnwys Lleithder<\/h3>\n<p>Mae rhai dulliau gwahanol a ddefnyddir i fesur lleithder pridd yn cynnwys y canlynol:<\/p>\n<ul>\n<li>Dull sychu yn y popty<\/li>\n<li>Dull calsiwm carbid<\/li>\n<li>Dull cydbwysedd torsiwn<\/li>\n<li>Dull pycnomedr<\/li>\n<li>Dull bath tywod<\/li>\n<li>Dull ymbelydredd<\/li>\n<li>Dull alcohol<\/li>\n<\/ul>\n<p>O&#039;r opsiynau hyn, mae sychu mewn popty yn ddull eithaf poblogaidd oherwydd ei hygyrchedd. Mae&#039;r broses yn cynnwys pwyso sampl o bridd a&#039;i sychu ar 110 gradd Celsius, ac yna mesur pwysau arall. Mae&#039;r gwahaniaeth yn rhoi syniad i weithwyr proffesiynol o faint o dd\u0175r oedd yn bresennol yn y pridd.<\/p>\n<h3>Profi am Ddigwyddiant Penodol<\/h3>\n<p>Pennir disgyrchiant penodol drwy gymharu dwysedd sylwedd \u00e2 dwysedd d\u0175r. Mae&#039;r gweithdrefnau hyn yn helpu i sicrhau mesuriad disgyrchiant penodol ar gyfer pridd:<\/p>\n<ul>\n<li>Dull potel dwysedd<\/li>\n<li>Dull pycnomedr<\/li>\n<li>Dull jar nwy<\/li>\n<li>Dull mesur fflach<\/li>\n<li>Dull terfyn crebachu<\/li>\n<\/ul>\n<p>Potel dwysedd a Phycnomedr yw&#039;r dulliau mwyaf cyffredin ar gyfer profi&#039;r nodwedd hon mewn pridd. Mae&#039;r dull Pycnomedr yn defnyddio pycnomedr nwy a dwysedd adnabyddus, d\u0175r yn aml, i gaffael dwysedd y pridd.<\/p>\n<h3>Profi am Dwysedd Sych<\/h3>\n<p>Mae mesuriadau dwysedd sych yn cyfeirio at bwysau gronynnau pridd o fewn sampl pridd. Rhaid pennu cymhareb gwagle a disgyrchedd penodol sampl cyn casglu ei ddwysedd sych. Gellir canfod dwysedd sych trwy unrhyw un o&#039;r gweithdrefnau hyn:<\/p>\n<ul>\n<li>Amnewid tywod<\/li>\n<li>Dadleoliad d\u0175r<\/li>\n<li>Torrwr craidd<\/li>\n<\/ul>\n<p>Y dull dadleoli d\u0175r yw&#039;r dull lleiaf cyffredin o bennu dwysedd sych. Ar \u00f4l ei fesur, bydd darlleniad dwysedd sych y sampl yn cael ei gategoreiddio i un o dair categori: dwys, dwysedd canolig, rhydd.<\/p>\n<h3>Prawf Terfynau Atterberg<\/h3>\n<p>Mae tri math gwahanol o brofion terfynau Atterberg, pob un yn mesur gwahanol briodweddau pridd m\u00e2n o dan amodau amrywiol. Bwriad y profion hyn yw mesur cynnwys d\u0175r critigol priddoedd m\u00e2n:<\/p>\n<ul>\n<li>Prawf Terfyn Hylif: Mae dadansoddiad pridd cywir yn dibynnu ar ddyfais terfyn hylif Casagrande i fesur terfyn hylif y pridd.<\/li>\n<li>Prawf Terfyn Plastig: Cymysgir pridd \u00e2 d\u0175r a&#039;i siapio&#039;n b\u00eal. Caiff y b\u00eal ei rholio o amgylch edafedd \u00e2 diamedr o 3 mm. Ailadroddir y broses gyda sampl newydd a llai o dd\u0175r nes bod yr edau&#039;n torri, gan ddarparu terfyn plastig y pridd.<\/li>\n<li>Terfyn Crebachu Lleiaf: Mae&#039;r prawf hwn yn rhoi gwybod faint o dd\u0175r sydd ei angen i lenwi bylchau&#039;r sampl pridd ac fe&#039;i ceir gan ddefnyddio fformiwla fathemategol gymhleth.<\/li>\n<\/ul>\n<h2>Sut i Atal Cyrydiad Pridd<\/h2>\n<p>Mae yna amryw o ddulliau i leihau cyrydiad pridd, ond <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2020\/10\/22\/ffactorau-syn-effeithio-ar-amddiffyniad-cathodig\/'>amddiffyniad cathodig<\/a> yn profi&#039;n rheolaidd i ddarparu&#039;r amddiffyniad gorau i&#039;r biblinell rhag cyrydiad. Mae&#039;n amddiffyn metelau a choncrit wedi&#039;u claddu rhag llond llaw o gyrydiad, fel y canlynol:<\/p>\n<ul>\n<li>Cyrydiad ymosodiad Messa<\/li>\n<li>Rhoi cyrydiad<\/li>\n<li>Cyrydiad math pwll<\/li>\n<\/ul>\n<p>Buddsoddi mewn <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2023\/07\/24\/sut-i-ddehongli-data-arolwg-amddiffyniad-potensial-cathodig\/'>amddiffyniad cathodig<\/a> yn helpu i gadw&#039;ch cwmni&#039;n ddiogel, yn perfformio&#039;n dda, ac yn cyrraedd safonau rheoleiddio&#039;r llywodraeth.<\/p>\n<p>Yn Dreiym Engineering, rydym yn deall pa mor hanfodol yw seilwaith gwydn a pharhaol i unrhyw fusnes. Dyna pam rydym yn canolbwyntio ar wahanol weithdrefnau dadansoddi sy&#039;n lleoli ffynhonnell eich problemau seilwaith ac yn cynnig dulliau ataliol sy&#039;n eu hatal rhag troi&#039;n ddifrod anadferadwy. Mae ein t\u00eem o <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2023\/01\/31\/beth-yw-nace-mewn-peirianneg-drydanol-a-beth-maen-ei-wneud\/'>peirianwyr ymgynghori trydanol<\/a> wedi ymrwymo i ddarparu arbenigedd cynhwysfawr i bob un o&#039;n cleientiaid, gan sicrhau eu bod yn cael dealltwriaeth gadarn o&#039;r gwasanaeth cymhleth maen nhw&#039;n chwilio amdano. I ddysgu mwy am ein detholiad o ymgynghori peirianneg, ffoniwch Dreiym Engineering neu anfonwch e-bost atom heddiw.<\/p>\n<img decoding=\"async\" class=\"aligncenter wp-image-3968 size-full\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods.jpg\" alt=\"Y Dulliau Gwahanol o Brofi Pridd\" width=\"800\" height=\"2100\" srcset=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods.jpg 800w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods-114x300.jpg 114w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods-768x2016.jpg 768w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods-585x1536.jpg 585w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2021\/05\/soil-testing-methods-780x2048.jpg 780w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>","protected":false},"excerpt":{"rendered":"<p>Though soil is most often associated with agriculture and plant growth, there are a lot of other industries that take the natural element into consideration. One industry that interacts with soil regularly is infrastructure. For companies that want their facility\u2019s components to last, they\u2019ll perform a soil test before pursuing construction. This step is to [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":3485,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":219,"footnotes":""},"categories":[5,6],"tags":[],"class_list":["post-2959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corrosion-and-cathodic-protection","category-forensic"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Though soil is most often associated with agriculture and plant growth, there are a lot of other industries that take the natural element into consideration. 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